--- /dev/null
+ 0 -> Unknown
+ 1 -> Generic Rev2
+ 2 -> Generic Rev3
+ 3 -> Hauppauge WinTV-HVR2250 [0070:8880,0070:8810]
+ 4 -> Hauppauge WinTV-HVR2200 [0070:8980]
+ 5 -> Hauppauge WinTV-HVR2200 [0070:8900]
+ 6 -> Hauppauge WinTV-HVR2200 [0070:8901]
+ 7 -> Hauppauge WinTV-HVR2250 [0070:88A1,0070:8891]
source "drivers/media/video/cx18/Kconfig"
+source "drivers/media/video/saa7164/Kconfig"
+
config VIDEO_M32R_AR
tristate "AR devices"
depends on M32R && VIDEO_V4L1
obj-$(CONFIG_VIDEO_AU0828) += au0828/
obj-$(CONFIG_USB_VIDEO_CLASS) += uvc/
+obj-$(CONFIG_VIDEO_SAA7164) += saa7164/
obj-$(CONFIG_VIDEO_IR_I2C) += ir-kbd-i2c.o
--- /dev/null
+config VIDEO_SAA7164
+ tristate "NXP SAA7164 support"
+ depends on DVB_CORE && PCI && I2C
+ depends on HOTPLUG # due to FW_LOADER
+ select I2C_ALGOBIT
+ select FW_LOADER
+ select VIDEO_TUNER
+ select VIDEO_TVEEPROM
+ select VIDEOBUF_DVB
+ select DVB_TDA10048 if !DVB_FE_CUSTOMISE
+ select DVB_S5H1411 if !DVB_FE_CUSTOMISE
+ select MEDIA_TUNER_TDA18271 if !DVB_FE_CUSTOMIZE
+ ---help---
+ This is a video4linux driver for NXP SAA7164 based
+ TV cards.
+
+ To compile this driver as a module, choose M here: the
+ module will be called saa7164
+
--- /dev/null
+saa7164-objs := saa7164-cards.o saa7164-core.o saa7164-i2c.o saa7164-dvb.o \
+ saa7164-fw.o saa7164-bus.o saa7164-cmd.o saa7164-api.o \
+ saa7164-buffer.o
+
+obj-$(CONFIG_VIDEO_SAA7164) += saa7164.o
+
+EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/common/tuners
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
+EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+
+EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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/wait.h>
+
+#include "saa7164.h"
+
+int saa7164_api_transition_port(struct saa7164_tsport *port, u8 mode)
+{
+ int ret;
+
+ ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR,
+ SAA_STATE_CONTROL, sizeof(mode), &mode);
+ if (ret != SAA_OK)
+ printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+
+ return ret;
+}
+
+int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version)
+{
+ int ret;
+
+ ret = saa7164_cmd_send(dev, 0, GET_CUR,
+ GET_FW_VERSION_CONTROL, sizeof(u32), version);
+ if (ret != SAA_OK)
+ printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+
+ return ret;
+}
+
+int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen)
+{
+ u8 reg[] = { 0x0f, 0x00 };
+
+ if (buflen < 128)
+ return -ENOMEM;
+
+ /* Assumption: Hauppauge eeprom is at 0xa0 on on bus 0 */
+ /* TODO: Pull the details from the boards struct */
+ return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg),
+ ®[0], 128, buf);
+}
+
+/* Exercise the i2c interface, saa7164_cmd()/bus() layers:
+ * 1. Read the identity byte from each of the demodulators.
+ * 2. Read the entire register set from the TDA18271.
+ * TODO: This function has no purpose other than to exercise i2c.
+ */
+int saa7164_api_test(struct saa7164_dev *dev)
+{
+ /* TDA10048 identities */
+ u8 reg[] = { 0x00 };
+ u8 data[256];
+ dprintk(DBGLVL_API, "%s()\n", __func__);
+ /* Read all 39 bytes from the TDA18271 tuners */
+ saa7164_api_i2c_read(&dev->i2c_bus[1], 0xc0 >> 1, 0,
+ ®[0], 39, &data[0]);
+ saa7164_api_i2c_read(&dev->i2c_bus[2], 0xc0 >> 1, 0,
+ ®[0], 39, &data[0]);
+
+ return 0;
+}
+
+int saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev,
+ struct saa7164_tsport *port,
+ tmComResTSFormatDescrHeader_t *tsfmt)
+{
+ dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", tsfmt->bFormatIndex);
+ dprintk(DBGLVL_API, " bDataOffset = 0x%x\n", tsfmt->bDataOffset);
+ dprintk(DBGLVL_API, " bPacketLength= 0x%x\n", tsfmt->bPacketLength);
+ dprintk(DBGLVL_API, " bStrideLength= 0x%x\n", tsfmt->bStrideLength);
+ dprintk(DBGLVL_API, " bguid = (....)\n");
+
+ /* Cache the hardware configuration in the port */
+
+ port->bufcounter = port->hwcfg.BARLocation;
+ port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
+ port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
+ port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
+ port->bufptr32l = port->hwcfg.BARLocation +
+ (4 * sizeof(u32)) +
+ (sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
+ port->bufptr32h = port->hwcfg.BARLocation +
+ (4 * sizeof(u32)) +
+ (sizeof(u32) * port->hwcfg.buffercount);
+ port->bufptr64 = port->hwcfg.BARLocation +
+ (4 * sizeof(u32)) +
+ (sizeof(u32) * port->hwcfg.buffercount);
+ dprintk(DBGLVL_API, " = port->hwcfg.BARLocation = 0x%x\n",
+ port->hwcfg.BARLocation);
+
+ dprintk(DBGLVL_API, " = VS_FORMAT_MPEGTS (becomes dev->ts[%d])\n",
+ port->nr);
+
+ return 0;
+}
+
+int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
+{
+ struct saa7164_tsport *port = 0;
+ u32 idx, next_offset;
+ int i;
+ tmComResDescrHeader_t *hdr, *t;
+ tmComResExtDevDescrHeader_t *exthdr;
+ tmComResPathDescrHeader_t *pathhdr;
+ tmComResAntTermDescrHeader_t *anttermhdr;
+ tmComResTunerDescrHeader_t *tunerunithdr;
+ tmComResDMATermDescrHeader_t *vcoutputtermhdr;
+ tmComResTSFormatDescrHeader_t *tsfmt;
+ u32 currpath = 0;
+
+ dprintk(DBGLVL_API,
+ "%s(?,?,%d) sizeof(tmComResDescrHeader_t) = %lu bytes\n",
+ __func__, len, sizeof(tmComResDescrHeader_t));
+
+ for (idx = 0; idx < (len - sizeof(tmComResDescrHeader_t)); ) {
+
+ hdr = (tmComResDescrHeader_t *)(buf + idx);
+
+ if (hdr->type != CS_INTERFACE)
+ return SAA_ERR_NOT_SUPPORTED;
+
+ dprintk(DBGLVL_API, "@ 0x%x = \n", idx);
+ switch (hdr->subtype) {
+ case GENERAL_REQUEST:
+ dprintk(DBGLVL_API, " GENERAL_REQUEST\n");
+ break;
+ case VC_TUNER_PATH:
+ dprintk(DBGLVL_API, " VC_TUNER_PATH\n");
+ pathhdr = (tmComResPathDescrHeader_t *)(buf + idx);
+ dprintk(DBGLVL_API, " pathid = 0x%x\n",
+ pathhdr->pathid);
+ currpath = pathhdr->pathid;
+ break;
+ case VC_INPUT_TERMINAL:
+ dprintk(DBGLVL_API, " VC_INPUT_TERMINAL\n");
+ anttermhdr =
+ (tmComResAntTermDescrHeader_t *)(buf + idx);
+ dprintk(DBGLVL_API, " terminalid = 0x%x\n",
+ anttermhdr->terminalid);
+ dprintk(DBGLVL_API, " terminaltype = 0x%x\n",
+ anttermhdr->terminaltype);
+ switch (anttermhdr->terminaltype) {
+ case ITT_ANTENNA:
+ dprintk(DBGLVL_API, " = ITT_ANTENNA\n");
+ break;
+ case LINE_CONNECTOR:
+ dprintk(DBGLVL_API, " = LINE_CONNECTOR\n");
+ break;
+ case SPDIF_CONNECTOR:
+ dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n");
+ break;
+ case COMPOSITE_CONNECTOR:
+ dprintk(DBGLVL_API,
+ " = COMPOSITE_CONNECTOR\n");
+ break;
+ case SVIDEO_CONNECTOR:
+ dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n");
+ break;
+ case COMPONENT_CONNECTOR:
+ dprintk(DBGLVL_API,
+ " = COMPONENT_CONNECTOR\n");
+ break;
+ case STANDARD_DMA:
+ dprintk(DBGLVL_API, " = STANDARD_DMA\n");
+ break;
+ default:
+ dprintk(DBGLVL_API, " = undefined (0x%x)\n",
+ anttermhdr->terminaltype);
+ }
+ dprintk(DBGLVL_API, " assocterminal= 0x%x\n",
+ anttermhdr->assocterminal);
+ dprintk(DBGLVL_API, " iterminal = 0x%x\n",
+ anttermhdr->iterminal);
+ dprintk(DBGLVL_API, " controlsize = 0x%x\n",
+ anttermhdr->controlsize);
+ break;
+ case VC_OUTPUT_TERMINAL:
+ dprintk(DBGLVL_API, " VC_OUTPUT_TERMINAL\n");
+ vcoutputtermhdr =
+ (tmComResDMATermDescrHeader_t *)(buf + idx);
+ dprintk(DBGLVL_API, " unitid = 0x%x\n",
+ vcoutputtermhdr->unitid);
+ dprintk(DBGLVL_API, " terminaltype = 0x%x\n",
+ vcoutputtermhdr->terminaltype);
+ switch (vcoutputtermhdr->terminaltype) {
+ case ITT_ANTENNA:
+ dprintk(DBGLVL_API, " = ITT_ANTENNA\n");
+ break;
+ case LINE_CONNECTOR:
+ dprintk(DBGLVL_API, " = LINE_CONNECTOR\n");
+ break;
+ case SPDIF_CONNECTOR:
+ dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n");
+ break;
+ case COMPOSITE_CONNECTOR:
+ dprintk(DBGLVL_API,
+ " = COMPOSITE_CONNECTOR\n");
+ break;
+ case SVIDEO_CONNECTOR:
+ dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n");
+ break;
+ case COMPONENT_CONNECTOR:
+ dprintk(DBGLVL_API,
+ " = COMPONENT_CONNECTOR\n");
+ break;
+ case STANDARD_DMA:
+ dprintk(DBGLVL_API, " = STANDARD_DMA\n");
+ break;
+ default:
+ dprintk(DBGLVL_API, " = undefined (0x%x)\n",
+ vcoutputtermhdr->terminaltype);
+ }
+ dprintk(DBGLVL_API, " assocterminal= 0x%x\n",
+ vcoutputtermhdr->assocterminal);
+ dprintk(DBGLVL_API, " sourceid = 0x%x\n",
+ vcoutputtermhdr->sourceid);
+ dprintk(DBGLVL_API, " iterminal = 0x%x\n",
+ vcoutputtermhdr->iterminal);
+ dprintk(DBGLVL_API, " BARLocation = 0x%x\n",
+ vcoutputtermhdr->BARLocation);
+ dprintk(DBGLVL_API, " flags = 0x%x\n",
+ vcoutputtermhdr->flags);
+ dprintk(DBGLVL_API, " interruptid = 0x%x\n",
+ vcoutputtermhdr->interruptid);
+ dprintk(DBGLVL_API, " buffercount = 0x%x\n",
+ vcoutputtermhdr->buffercount);
+ dprintk(DBGLVL_API, " metadatasize = 0x%x\n",
+ vcoutputtermhdr->metadatasize);
+ dprintk(DBGLVL_API, " controlsize = 0x%x\n",
+ vcoutputtermhdr->controlsize);
+ dprintk(DBGLVL_API, " numformats = 0x%x\n",
+ vcoutputtermhdr->numformats);
+
+ t = (tmComResDescrHeader_t *)
+ ((tmComResDMATermDescrHeader_t *)(buf + idx));
+ next_offset = idx + (vcoutputtermhdr->len);
+ for (i = 0; i < vcoutputtermhdr->numformats; i++) {
+ t = (tmComResDescrHeader_t *)
+ (buf + next_offset);
+ switch (t->subtype) {
+ case VS_FORMAT_MPEG2TS:
+ tsfmt =
+ (tmComResTSFormatDescrHeader_t *)t;
+ if (currpath == 1)
+ port = &dev->ts1;
+ else
+ port = &dev->ts2;
+ memcpy(&port->hwcfg, vcoutputtermhdr,
+ sizeof(*vcoutputtermhdr));
+ saa7164_api_configure_port_mpeg2ts(dev,
+ port, tsfmt);
+ break;
+ case VS_FORMAT_MPEG2PS:
+ dprintk(DBGLVL_API,
+ " = VS_FORMAT_MPEG2PS\n");
+ break;
+ case VS_FORMAT_VBI:
+ dprintk(DBGLVL_API,
+ " = VS_FORMAT_VBI\n");
+ break;
+ case VS_FORMAT_RDS:
+ dprintk(DBGLVL_API,
+ " = VS_FORMAT_RDS\n");
+ break;
+ case VS_FORMAT_UNCOMPRESSED:
+ dprintk(DBGLVL_API,
+ " = VS_FORMAT_UNCOMPRESSED\n");
+ break;
+ case VS_FORMAT_TYPE:
+ dprintk(DBGLVL_API,
+ " = VS_FORMAT_TYPE\n");
+ break;
+ default:
+ dprintk(DBGLVL_API,
+ " = undefined (0x%x)\n",
+ t->subtype);
+ }
+ next_offset += t->len;
+ }
+
+ break;
+ case TUNER_UNIT:
+ dprintk(DBGLVL_API, " TUNER_UNIT\n");
+ tunerunithdr =
+ (tmComResTunerDescrHeader_t *)(buf + idx);
+ dprintk(DBGLVL_API, " unitid = 0x%x\n",
+ tunerunithdr->unitid);
+ dprintk(DBGLVL_API, " sourceid = 0x%x\n",
+ tunerunithdr->sourceid);
+ dprintk(DBGLVL_API, " iunit = 0x%x\n",
+ tunerunithdr->iunit);
+ dprintk(DBGLVL_API, " tuningstandards = 0x%x\n",
+ tunerunithdr->tuningstandards);
+ dprintk(DBGLVL_API, " controlsize = 0x%x\n",
+ tunerunithdr->controlsize);
+ dprintk(DBGLVL_API, " controls = 0x%x\n",
+ tunerunithdr->controls);
+ break;
+ case VC_SELECTOR_UNIT:
+ dprintk(DBGLVL_API, " VC_SELECTOR_UNIT\n");
+ break;
+ case VC_PROCESSING_UNIT:
+ dprintk(DBGLVL_API, " VC_PROCESSING_UNIT\n");
+ break;
+ case FEATURE_UNIT:
+ dprintk(DBGLVL_API, " FEATURE_UNIT\n");
+ break;
+ case ENCODER_UNIT:
+ dprintk(DBGLVL_API, " ENCODER_UNIT\n");
+ break;
+ case EXTENSION_UNIT:
+ dprintk(DBGLVL_API, " EXTENSION_UNIT\n");
+ exthdr = (tmComResExtDevDescrHeader_t *)(buf + idx);
+ dprintk(DBGLVL_API, " unitid = 0x%x\n",
+ exthdr->unitid);
+ dprintk(DBGLVL_API, " deviceid = 0x%x\n",
+ exthdr->deviceid);
+ dprintk(DBGLVL_API, " devicetype = 0x%x\n",
+ exthdr->devicetype);
+ if (exthdr->devicetype & 0x1)
+ dprintk(DBGLVL_API, " = Decoder Device\n");
+ if (exthdr->devicetype & 0x2)
+ dprintk(DBGLVL_API, " = GPIO Source\n");
+ if (exthdr->devicetype & 0x4)
+ dprintk(DBGLVL_API, " = Video Decoder\n");
+ if (exthdr->devicetype & 0x8)
+ dprintk(DBGLVL_API, " = Audio Decoder\n");
+ if (exthdr->devicetype & 0x20)
+ dprintk(DBGLVL_API, " = Crossbar\n");
+ if (exthdr->devicetype & 0x40)
+ dprintk(DBGLVL_API, " = Tuner\n");
+ if (exthdr->devicetype & 0x80)
+ dprintk(DBGLVL_API, " = IF PLL\n");
+ if (exthdr->devicetype & 0x100)
+ dprintk(DBGLVL_API, " = Demodulator\n");
+ if (exthdr->devicetype & 0x200)
+ dprintk(DBGLVL_API, " = RDS Decoder\n");
+ if (exthdr->devicetype & 0x400)
+ dprintk(DBGLVL_API, " = Encoder\n");
+ if (exthdr->devicetype & 0x800)
+ dprintk(DBGLVL_API, " = IR Decoder\n");
+ if (exthdr->devicetype & 0x1000)
+ dprintk(DBGLVL_API, " = EEPROM\n");
+ if (exthdr->devicetype & 0x2000)
+ dprintk(DBGLVL_API,
+ " = VBI Decoder\n");
+ if (exthdr->devicetype & 0x10000)
+ dprintk(DBGLVL_API,
+ " = Streaming Device\n");
+ if (exthdr->devicetype & 0x20000)
+ dprintk(DBGLVL_API,
+ " = DRM Device\n");
+ if (exthdr->devicetype & 0x40000000)
+ dprintk(DBGLVL_API,
+ " = Generic Device\n");
+ if (exthdr->devicetype & 0x80000000)
+ dprintk(DBGLVL_API,
+ " = Config Space Device\n");
+ dprintk(DBGLVL_API, " numgpiopins = 0x%x\n",
+ exthdr->numgpiopins);
+ dprintk(DBGLVL_API, " numgpiogroups = 0x%x\n",
+ exthdr->numgpiogroups);
+ dprintk(DBGLVL_API, " controlsize = 0x%x\n",
+ exthdr->controlsize);
+ break;
+ case PVC_INFRARED_UNIT:
+ dprintk(DBGLVL_API, " PVC_INFRARED_UNIT\n");
+ break;
+ case DRM_UNIT:
+ dprintk(DBGLVL_API, " DRM_UNIT\n");
+ break;
+ default:
+ dprintk(DBGLVL_API, "default %d\n", hdr->subtype);
+ }
+
+ dprintk(DBGLVL_API, " 1.%x\n", hdr->len);
+ dprintk(DBGLVL_API, " 2.%x\n", hdr->type);
+ dprintk(DBGLVL_API, " 3.%x\n", hdr->subtype);
+ dprintk(DBGLVL_API, " 4.%x\n", hdr->unitid);
+
+ idx += hdr->len;
+ }
+
+ return 0;
+}
+
+int saa7164_api_enum_subdevs(struct saa7164_dev *dev)
+{
+ int ret;
+ u32 buflen = 0;
+ u8 *buf;
+
+ dprintk(DBGLVL_API, "%s()\n", __func__);
+
+ /* Get the total descriptor length */
+ ret = saa7164_cmd_send(dev, 0, GET_LEN,
+ GET_DESCRIPTORS_CONTROL, sizeof(buflen), &buflen);
+ if (ret != SAA_OK)
+ printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+
+ dprintk(DBGLVL_API, "%s() total descriptor size = %d bytes.\n",
+ __func__, buflen);
+
+ /* Allocate enough storage for all of the descs */
+ buf = kzalloc(buflen, GFP_KERNEL);
+ if (buf == NULL)
+ return SAA_ERR_NO_RESOURCES;
+
+ /* Retrieve them */
+ ret = saa7164_cmd_send(dev, 0, GET_CUR,
+ GET_DESCRIPTORS_CONTROL, buflen, buf);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+ goto out;
+ }
+
+ if (debug & DBGLVL_API)
+ saa7164_dumphex16(dev, buf, (buflen/16)*16);
+
+ saa7164_api_dump_subdevs(dev, buf, buflen);
+
+out:
+ kfree(buf);
+ return ret;
+}
+
+int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
+ u32 datalen, u8 *data)
+{
+ struct saa7164_dev *dev = bus->dev;
+ u16 len = 0;
+ int unitid;
+ u32 regval;
+ u8 buf[256];
+ int ret;
+
+ dprintk(DBGLVL_API, "%s()\n", __func__);
+
+ if (reglen > 4)
+ return -EIO;
+
+ if (reglen == 1)
+ regval = *(reg);
+ else
+ if (reglen == 2)
+ regval = ((*(reg) << 8) || *(reg+1));
+ else
+ if (reglen == 3)
+ regval = ((*(reg) << 16) | (*(reg+1) << 8) | *(reg+2));
+ else
+ if (reglen == 4)
+ regval = ((*(reg) << 24) | (*(reg+1) << 16) |
+ (*(reg+2) << 8) | *(reg+3));
+
+ /* Prepare the send buffer */
+ /* Bytes 00-03 source register length
+ * 04-07 source bytes to read
+ * 08... register address
+ */
+ memset(buf, 0, sizeof(buf));
+ memcpy((buf + 2 * sizeof(u32) + 0), reg, reglen);
+ *((u32 *)(buf + 0 * sizeof(u32))) = reglen;
+ *((u32 *)(buf + 1 * sizeof(u32))) = datalen;
+
+ unitid = saa7164_i2caddr_to_unitid(bus, addr);
+ if (unitid < 0) {
+ printk(KERN_ERR
+ "%s() error, cannot translate regaddr 0x%x to unitid\n",
+ __func__, addr);
+ return -EIO;
+ }
+
+ ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
+ EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
+ return -EIO;
+ }
+
+ dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);
+
+ if (debug & DBGLVL_I2C)
+ saa7164_dumphex16(dev, buf, 2 * 16);
+
+ ret = saa7164_cmd_send(bus->dev, unitid, GET_CUR,
+ EXU_REGISTER_ACCESS_CONTROL, len, &buf);
+ if (ret != SAA_OK)
+ printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
+ else {
+ if (debug & DBGLVL_I2C)
+ saa7164_dumphex16(dev, buf, sizeof(buf));
+ memcpy(data, (buf + 2 * sizeof(u32) + reglen), datalen);
+ }
+
+ return ret == SAA_OK ? 0 : -EIO;
+}
+
+/* For a given 8 bit i2c address device, write the buffer */
+int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen,
+ u8 *data)
+{
+ struct saa7164_dev *dev = bus->dev;
+ u16 len = 0;
+ int unitid;
+ int reglen;
+ u8 buf[256];
+ int ret;
+
+ dprintk(DBGLVL_API, "%s()\n", __func__);
+
+ if ((datalen == 0) || (datalen > 232))
+ return -EIO;
+
+ memset(buf, 0, sizeof(buf));
+
+ unitid = saa7164_i2caddr_to_unitid(bus, addr);
+ if (unitid < 0) {
+ printk(KERN_ERR
+ "%s() error, cannot translate regaddr 0x%x to unitid\n",
+ __func__, addr);
+ return -EIO;
+ }
+
+ reglen = saa7164_i2caddr_to_reglen(bus, addr);
+ if (unitid < 0) {
+ printk(KERN_ERR
+ "%s() error, cannot translate regaddr to reglen\n",
+ __func__);
+ return -EIO;
+ }
+
+ ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
+ EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
+ return -EIO;
+ }
+
+ dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);
+
+ /* Prepare the send buffer */
+ /* Bytes 00-03 dest register length
+ * 04-07 dest bytes to write
+ * 08... register address
+ */
+ *((u32 *)(buf + 0 * sizeof(u32))) = reglen;
+ *((u32 *)(buf + 1 * sizeof(u32))) = datalen - reglen;
+ memcpy((buf + 2 * sizeof(u32)), data, datalen);
+
+ if (debug & DBGLVL_I2C)
+ saa7164_dumphex16(dev, buf, sizeof(buf));
+
+ ret = saa7164_cmd_send(bus->dev, unitid, SET_CUR,
+ EXU_REGISTER_ACCESS_CONTROL, len, &buf);
+ if (ret != SAA_OK)
+ printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
+
+ return ret == SAA_OK ? 0 : -EIO;
+}
+
+
+int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid,
+ u8 pin, u8 state)
+{
+ int ret;
+ tmComResGPIO_t t;
+
+ dprintk(DBGLVL_API, "%s(0x%x, %d, %d)\n",
+ __func__, unitid, pin, state);
+
+ if ((pin > 7) || (state > 2))
+ return SAA_ERR_BAD_PARAMETER;
+
+ t.pin = pin;
+ t.state = state;
+
+ ret = saa7164_cmd_send(dev, unitid, SET_CUR,
+ EXU_GPIO_CONTROL, sizeof(t), &t);
+ if (ret != SAA_OK)
+ printk(KERN_ERR "%s() error, ret = 0x%x\n",
+ __func__, ret);
+
+ return ret;
+}
+
+int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid,
+ u8 pin)
+{
+ return saa7164_api_modify_gpio(dev, unitid, pin, 1);
+}
+
+int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid,
+ u8 pin)
+{
+ return saa7164_api_modify_gpio(dev, unitid, pin, 0);
+}
+
+
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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 "saa7164.h"
+
+/* The PCI address space for buffer handling looks like this:
+
+ +-u32 wide-------------+
+ | +
+ +-u64 wide------------------------------------+
+ + +
+ +----------------------+
+ | CurrentBufferPtr + Pointer to current PCI buffer >-+
+ +----------------------+ |
+ | Unused + |
+ +----------------------+ |
+ | Pitch + = 188 (bytes) |
+ +----------------------+ |
+ | PCI buffer size + = pitch * number of lines (312) |
+ +----------------------+ |
+ |0| Buf0 Write Offset + |
+ +----------------------+ v
+ |1| Buf1 Write Offset + |
+ +----------------------+ |
+ |2| Buf2 Write Offset + |
+ +----------------------+ |
+ |3| Buf3 Write Offset + |
+ +----------------------+ |
+ ... More write offsets |
+ +---------------------------------------------+ |
+ +0| set of ptrs to PCI pagetables + |
+ +---------------------------------------------+ |
+ +1| set of ptrs to PCI pagetables + <--------+
+ +---------------------------------------------+
+ +2| set of ptrs to PCI pagetables +
+ +---------------------------------------------+
+ +3| set of ptrs to PCI pagetables + >--+
+ +---------------------------------------------+ |
+ ... More buffer pointers | +----------------+
+ +->| pt[0] TS data |
+ | +----------------+
+ |
+ | +----------------+
+ +->| pt[1] TS data |
+ | +----------------+
+ | etc
+ */
+
+/* Allocate a new buffer structure and associated PCI space in bytes.
+ * len must be a multiple of sizeof(u64)
+ */
+struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_tsport *port,
+ u32 len)
+{
+ struct saa7164_buffer *buf = 0;
+ struct saa7164_dev *dev = port->dev;
+ int i;
+
+ if ((len == 0) || (len >= 65536) || (len % sizeof(u64))) {
+ log_warn("%s() SAA_ERR_BAD_PARAMETER\n", __func__);
+ goto ret;
+ }
+
+ buf = kzalloc(sizeof(struct saa7164_buffer), GFP_KERNEL);
+ if (buf == NULL) {
+ log_warn("%s() SAA_ERR_NO_RESOURCES\n", __func__);
+ goto ret;
+ }
+
+ buf->port = port;
+ buf->flags = SAA7164_BUFFER_FREE;
+ /* TODO: arg len is being ignored */
+ buf->pci_size = SAA7164_PT_ENTRIES * 0x1000;
+ buf->pt_size = (SAA7164_PT_ENTRIES * sizeof(u64)) + 0x1000;
+
+ /* Allocate contiguous memory */
+ buf->cpu = pci_alloc_consistent(port->dev->pci, buf->pci_size,
+ &buf->dma);
+ if (!buf->cpu)
+ goto fail1;
+
+ buf->pt_cpu = pci_alloc_consistent(port->dev->pci, buf->pt_size,
+ &buf->pt_dma);
+ if (!buf->pt_cpu)
+ goto fail2;
+
+ /* init the buffers to a known pattern, easier during debugging */
+ memset(buf->cpu, 0xff, buf->pci_size);
+ memset(buf->pt_cpu, 0xff, buf->pt_size);
+
+ dprintk(DBGLVL_BUF, "%s() allocated buffer @ 0x%p\n", __func__, buf);
+ dprintk(DBGLVL_BUF, " pci_cpu @ 0x%llx dma @ 0x%llx len = 0x%x\n",
+ (u64)buf->cpu, (u64)buf->dma, buf->pci_size);
+ dprintk(DBGLVL_BUF, " pt_cpu @ 0x%llx pt_dma @ 0x%llx len = 0x%x\n",
+ (u64)buf->pt_cpu, (u64)buf->pt_dma, buf->pt_size);
+
+ /* Format the Page Table Entries to point into the data buffer */
+ for (i = 0 ; i < SAA7164_PT_ENTRIES; i++) {
+
+ *(buf->pt_cpu + i) = buf->dma + (i * 0x1000); /* TODO */
+
+ dprintk(DBGLVL_BUF, " pt[%02d] = 0x%llx -> 0x%llx\n",
+ i, (u64)buf->pt_cpu, (u64)*(buf->pt_cpu));
+
+ }
+
+ goto ret;
+
+fail2:
+ pci_free_consistent(port->dev->pci, buf->pci_size, buf->cpu, buf->dma);
+fail1:
+ kfree(buf);
+
+ buf = 0;
+ret:
+ return buf;
+}
+
+int saa7164_buffer_dealloc(struct saa7164_tsport *port,
+ struct saa7164_buffer *buf)
+{
+ struct saa7164_dev *dev = port->dev;
+
+ if ((buf == 0) || (port == 0))
+ return SAA_ERR_BAD_PARAMETER;
+
+ dprintk(DBGLVL_BUF, "%s() deallocating buffer @ 0x%p\n", __func__, buf);
+
+ if (buf->flags != SAA7164_BUFFER_FREE)
+ log_warn(" freeing a non-free buffer\n");
+
+ pci_free_consistent(port->dev->pci, buf->pci_size, buf->cpu, buf->dma);
+ pci_free_consistent(port->dev->pci, buf->pt_size, buf->pt_cpu,
+ buf->pt_dma);
+
+ kfree(buf);
+
+ return SAA_OK;
+}
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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 "saa7164.h"
+
+/* The message bus to/from the firmware is a ring buffer in PCI address
+ * space. Establish the defaults.
+ */
+int saa7164_bus_setup(struct saa7164_dev *dev)
+{
+ tmComResBusInfo_t *b = &dev->bus;
+
+ mutex_init(&b->lock);
+
+ b->Type = TYPE_BUS_PCIe;
+ b->m_wMaxReqSize = SAA_DEVICE_MAXREQUESTSIZE;
+
+ b->m_pdwSetRing = (u8 *)(dev->bmmio +
+ ((u32)dev->busdesc.CommandRing));
+
+ b->m_dwSizeSetRing = SAA_DEVICE_BUFFERBLOCKSIZE;
+
+ b->m_pdwGetRing = (u8 *)(dev->bmmio +
+ ((u32)dev->busdesc.ResponseRing));
+
+ b->m_dwSizeGetRing = SAA_DEVICE_BUFFERBLOCKSIZE;
+
+ b->m_pdwSetWritePos = (u32 *)((u8 *)(dev->bmmio +
+ ((u32)dev->intfdesc.BARLocation) + (2 * sizeof(u64))));
+
+ b->m_pdwSetReadPos = (u32 *)((u8 *)b->m_pdwSetWritePos +
+ 1 * sizeof(u32));
+
+ b->m_pdwGetWritePos = (u32 *)((u8 *)b->m_pdwSetWritePos +
+ 2 * sizeof(u32));
+
+ b->m_pdwGetReadPos = (u32 *)((u8 *)b->m_pdwSetWritePos +
+ 3 * sizeof(u32));
+
+ return 0;
+}
+
+void saa7164_bus_dump(struct saa7164_dev *dev)
+{
+ tmComResBusInfo_t *b = &dev->bus;
+
+ dprintk(DBGLVL_BUS, "Dumping the bus structure:\n");
+ dprintk(DBGLVL_BUS, " .type = %d\n", b->Type);
+ dprintk(DBGLVL_BUS, " .dev->bmmio = 0x%p\n", dev->bmmio);
+ dprintk(DBGLVL_BUS, " .m_wMaxReqSize = 0x%x\n", b->m_wMaxReqSize);
+ dprintk(DBGLVL_BUS, " .m_pdwSetRing = 0x%p\n", b->m_pdwSetRing);
+ dprintk(DBGLVL_BUS, " .m_dwSizeSetRing = 0x%x\n", b->m_dwSizeSetRing);
+ dprintk(DBGLVL_BUS, " .m_pdwGetRing = 0x%p\n", b->m_pdwGetRing);
+ dprintk(DBGLVL_BUS, " .m_dwSizeGetRing = 0x%x\n", b->m_dwSizeGetRing);
+
+ dprintk(DBGLVL_BUS, " .m_pdwSetWritePos = 0x%p (0x%08x)\n",
+ b->m_pdwSetWritePos, *b->m_pdwSetWritePos);
+
+ dprintk(DBGLVL_BUS, " .m_pdwSetReadPos = 0x%p (0x%08x)\n",
+ b->m_pdwSetReadPos, *b->m_pdwSetReadPos);
+
+ dprintk(DBGLVL_BUS, " .m_pdwGetWritePos = 0x%p (0x%08x)\n",
+ b->m_pdwGetWritePos, *b->m_pdwGetWritePos);
+
+ dprintk(DBGLVL_BUS, " .m_pdwGetReadPos = 0x%p (0x%08x)\n",
+ b->m_pdwGetReadPos, *b->m_pdwGetReadPos);
+}
+
+void saa7164_bus_dumpmsg(struct saa7164_dev *dev, tmComResInfo_t* m, void *buf)
+{
+ dprintk(DBGLVL_BUS, "Dumping msg structure:\n");
+ dprintk(DBGLVL_BUS, " .id = %d\n", m->id);
+ dprintk(DBGLVL_BUS, " .flags = 0x%x\n", m->flags);
+ dprintk(DBGLVL_BUS, " .size = 0x%x\n", m->size);
+ dprintk(DBGLVL_BUS, " .command = 0x%x\n", m->command);
+ dprintk(DBGLVL_BUS, " .controlselector = 0x%x\n", m->controlselector);
+ dprintk(DBGLVL_BUS, " .seqno = %d\n", m->seqno);
+ if (buf)
+ dprintk(DBGLVL_BUS, " .buffer (ignored)\n");
+}
+
+/*
+ * Places a command or a response on the bus. The implementation does not
+ * know if it is a command or a response it just places the data on the
+ * bus depending on the bus information given in the tmComResBusInfo_t
+ * structure. If the command or response does not fit into the bus ring
+ * buffer it will be refused.
+ *
+ * Return Value:
+ * SAA_OK The function executed successfully.
+ * < 0 One or more members are not initialized.
+ */
+int saa7164_bus_set(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf)
+{
+ tmComResBusInfo_t *bus = &dev->bus;
+ u32 bytes_to_write, read_distance, timeout, curr_srp, curr_swp;
+ u32 new_swp, space_rem;
+ int ret = SAA_ERR_BAD_PARAMETER;
+
+ if (!msg) {
+ printk(KERN_ERR "%s() !msg\n", __func__);
+ return SAA_ERR_BAD_PARAMETER;
+ }
+
+ dprintk(DBGLVL_BUS, "%s()\n", __func__);
+
+ msg->size = cpu_to_le16(msg->size);
+ msg->command = cpu_to_le16(msg->command);
+ msg->controlselector = cpu_to_le16(msg->controlselector);
+
+ if (msg->size > dev->bus.m_wMaxReqSize) {
+ printk(KERN_ERR "%s() Exceeded dev->bus.m_wMaxReqSize\n",
+ __func__);
+ return SAA_ERR_BAD_PARAMETER;
+ }
+
+ if ((msg->size > 0) && (buf == 0)) {
+ printk(KERN_ERR "%s() Missing message buffer\n", __func__);
+ return SAA_ERR_BAD_PARAMETER;
+ }
+
+ /* Lock the bus from any other access */
+ mutex_lock(&bus->lock);
+
+ bytes_to_write = sizeof(*msg) + msg->size;
+ read_distance = 0;
+ timeout = SAA_BUS_TIMEOUT;
+ curr_srp = le32_to_cpu(*bus->m_pdwSetReadPos);
+ curr_swp = le32_to_cpu(*bus->m_pdwSetWritePos);
+
+ /* Deal with ring wrapping issues */
+ if (curr_srp > curr_swp)
+ /* The ring has not wrapped yet */
+ read_distance = curr_srp - curr_swp;
+ else
+ /* Deal with the wrapped ring */
+ read_distance = (curr_srp + bus->m_dwSizeSetRing) - curr_swp;
+
+ dprintk(DBGLVL_BUS, "%s() bytes_to_write = %d\n", __func__,
+ bytes_to_write);
+
+ dprintk(DBGLVL_BUS, "%s() read_distance = %d\n", __func__,
+ read_distance);
+
+ dprintk(DBGLVL_BUS, "%s() curr_srp = %x\n", __func__, curr_srp);
+ dprintk(DBGLVL_BUS, "%s() curr_swp = %x\n", __func__, curr_swp);
+
+ /* Process the msg and write the content onto the bus */
+ while (bytes_to_write >= read_distance) {
+
+ if (timeout-- == 0) {
+ printk(KERN_ERR "%s() bus timeout\n", __func__);
+ ret = SAA_ERR_NO_RESOURCES;
+ goto out;
+ }
+
+ /* TODO: Review this delay, efficient? */
+ /* Wait, allowing the hardware fetch time */
+ mdelay(1);
+
+ /* Check the space usage again */
+ curr_srp = le32_to_cpu(*bus->m_pdwSetReadPos);
+
+ /* Deal with ring wrapping issues */
+ if (curr_srp > curr_swp)
+ /* Read didn't wrap around the buffer */
+ read_distance = curr_srp - curr_swp;
+ else
+ /* Deal with the wrapped ring */
+ read_distance = (curr_srp + bus->m_dwSizeSetRing) -
+ curr_swp;
+
+ }
+
+ /* Calculate the new write position */
+ new_swp = curr_swp + bytes_to_write;
+
+ dprintk(DBGLVL_BUS, "%s() new_swp = %x\n", __func__, new_swp);
+ dprintk(DBGLVL_BUS, "%s() bus->m_dwSizeSetRing = %x\n", __func__,
+ bus->m_dwSizeSetRing);
+
+ /* Mental Note: line 462 tmmhComResBusPCIe.cpp */
+
+ /* Check if we're going to wrap again */
+ if (new_swp > bus->m_dwSizeSetRing) {
+
+ /* Ring wraps */
+ new_swp -= bus->m_dwSizeSetRing;
+
+ space_rem = bus->m_dwSizeSetRing - curr_swp;
+
+ dprintk(DBGLVL_BUS, "%s() space_rem = %x\n", __func__,
+ space_rem);
+
+ dprintk(DBGLVL_BUS, "%s() sizeof(*msg) = %lu\n", __func__,
+ sizeof(*msg));
+
+ if (space_rem < sizeof(*msg)) {
+ dprintk(DBGLVL_BUS, "%s() tr4\n", __func__);
+
+ /* Split the msg into pieces as the ring wraps */
+ memcpy(bus->m_pdwSetRing + curr_swp, msg, space_rem);
+ memcpy(bus->m_pdwSetRing, (u8 *)msg + space_rem,
+ sizeof(*msg) - space_rem);
+
+ memcpy(bus->m_pdwSetRing + sizeof(*msg) - space_rem,
+ buf, msg->size);
+
+ } else if (space_rem == sizeof(*msg)) {
+ dprintk(DBGLVL_BUS, "%s() tr5\n", __func__);
+
+ /* Additional data at the beginning of the ring */
+ memcpy(bus->m_pdwSetRing + curr_swp, msg, sizeof(*msg));
+ memcpy(bus->m_pdwSetRing, buf, msg->size);
+
+ } else {
+ /* Additional data wraps around the ring */
+ memcpy(bus->m_pdwSetRing + curr_swp, msg, sizeof(*msg));
+ if (msg->size > 0) {
+ memcpy(bus->m_pdwSetRing + curr_swp +
+ sizeof(*msg), buf, space_rem -
+ sizeof(*msg));
+ memcpy(bus->m_pdwSetRing, (u8 *)buf +
+ space_rem - sizeof(*msg),
+ bytes_to_write - space_rem);
+ }
+
+ }
+
+ } /* (new_swp > bus->m_dwSizeSetRing) */
+ else {
+ dprintk(DBGLVL_BUS, "%s() tr6\n", __func__);
+
+ /* The ring buffer doesn't wrap, two simple copies */
+ memcpy(bus->m_pdwSetRing + curr_swp, msg, sizeof(*msg));
+ memcpy(bus->m_pdwSetRing + curr_swp + sizeof(*msg), buf,
+ msg->size);
+ }
+
+ dprintk(DBGLVL_BUS, "%s() new_swp = %x\n", __func__, new_swp);
+
+ /* TODO: Convert all of the volatiles and direct PCI writes into
+ * saa7164_writel/b calls for consistency.
+ */
+
+ /* Update the bus write position */
+ *bus->m_pdwSetWritePos = cpu_to_le32(new_swp);
+ ret = SAA_OK;
+
+out:
+ mutex_unlock(&bus->lock);
+ return ret;
+}
+
+/*
+ * Receive a command or a response from the bus. The implementation does not
+ * know if it is a command or a response it simply dequeues the data,
+ * depending on the bus information given in the tmComResBusInfo_t structure.
+ *
+ * Return Value:
+ * 0 The function executed successfully.
+ * < 0 One or more members are not initialized.
+ */
+int saa7164_bus_get(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf,
+ int peekonly)
+{
+ tmComResBusInfo_t *bus = &dev->bus;
+ u32 bytes_to_read, write_distance, curr_grp, curr_gwp,
+ new_grp, buf_size, space_rem;
+ tmComResInfo_t msg_tmp;
+ int ret = SAA_ERR_BAD_PARAMETER;
+
+ if (msg == 0)
+ return ret;
+
+ if (msg->size > dev->bus.m_wMaxReqSize) {
+ printk(KERN_ERR "%s() Exceeded dev->bus.m_wMaxReqSize\n",
+ __func__);
+ return ret;
+ }
+
+ if ((peekonly == 0) && (msg->size > 0) && (buf == 0)) {
+ printk(KERN_ERR
+ "%s() Missing msg buf, size should be %d bytes\n",
+ __func__, msg->size);
+ return ret;
+ }
+
+ mutex_lock(&bus->lock);
+
+ /* Peek the bus to see if a msg exists, if it's not what we're expecting
+ * then return cleanly else read the message from the bus.
+ */
+ curr_gwp = le32_to_cpu(*bus->m_pdwGetWritePos);
+ curr_grp = le32_to_cpu(*bus->m_pdwGetReadPos);
+
+ if (curr_gwp == curr_grp) {
+ dprintk(DBGLVL_BUS, "%s() No message on the bus\n", __func__);
+ ret = SAA_ERR_EMPTY;
+ goto out;
+ }
+
+ bytes_to_read = sizeof(*msg);
+
+ /* Calculate write distance to current read position */
+ write_distance = 0;
+ if (curr_gwp >= curr_grp)
+ /* Write doesn't wrap around the ring */
+ write_distance = curr_gwp - curr_grp;
+ else
+ /* Write wraps around the ring */
+ write_distance = curr_gwp + bus->m_dwSizeGetRing - curr_grp;
+
+ if (bytes_to_read > write_distance) {
+ printk(KERN_ERR "%s() No message/response found\n", __func__);
+ ret = SAA_ERR_INVALID_COMMAND;
+ goto out;
+ }
+
+ /* Calculate the new read position */
+ new_grp = curr_grp + bytes_to_read;
+ if (new_grp > bus->m_dwSizeGetRing) {
+
+ /* Ring wraps */
+ new_grp -= bus->m_dwSizeGetRing;
+ space_rem = bus->m_dwSizeGetRing - curr_grp;
+
+ memcpy(&msg_tmp, bus->m_pdwGetRing + curr_grp, space_rem);
+ memcpy((u8 *)&msg_tmp + space_rem, bus->m_pdwGetRing,
+ bytes_to_read - space_rem);
+
+ } else {
+ /* No wrapping */
+ memcpy(&msg_tmp, bus->m_pdwGetRing + curr_grp, bytes_to_read);
+ }
+
+ /* No need to update the read positions, because this was a peek */
+ /* If the caller specifically want to peek, return */
+ if (peekonly) {
+ memcpy(msg, &msg_tmp, sizeof(*msg));
+ goto peekout;
+ }
+
+ /* Check if the command/response matches what is expected */
+ if ((msg_tmp.id != msg->id) || (msg_tmp.command != msg->command) ||
+ (msg_tmp.controlselector != msg->controlselector) ||
+ (msg_tmp.seqno != msg->seqno) || (msg_tmp.size != msg->size)) {
+
+ printk(KERN_ERR "%s() Unexpected msg miss-match\n", __func__);
+ saa7164_bus_dumpmsg(dev, msg, buf);
+ saa7164_bus_dumpmsg(dev, &msg_tmp, 0);
+ ret = SAA_ERR_INVALID_COMMAND;
+ goto out;
+ }
+
+ /* Get the actual command and response from the bus */
+ buf_size = msg->size;
+
+ bytes_to_read = sizeof(*msg) + msg->size;
+ /* Calculate write distance to current read position */
+ write_distance = 0;
+ if (curr_gwp >= curr_grp)
+ /* Write doesn't wrap around the ring */
+ write_distance = curr_gwp - curr_grp;
+ else
+ /* Write wraps around the ring */
+ write_distance = curr_gwp + bus->m_dwSizeGetRing - curr_grp;
+
+ if (bytes_to_read > write_distance) {
+ printk(KERN_ERR "%s() Invalid bus state, missing msg "
+ "or mangled ring, faulty H/W / bad code?\n", __func__);
+ ret = SAA_ERR_INVALID_COMMAND;
+ goto out;
+ }
+
+ /* Calculate the new read position */
+ new_grp = curr_grp + bytes_to_read;
+ if (new_grp > bus->m_dwSizeGetRing) {
+
+ /* Ring wraps */
+ new_grp -= bus->m_dwSizeGetRing;
+ space_rem = bus->m_dwSizeGetRing - curr_grp;
+
+ if (space_rem < sizeof(*msg)) {
+ /* msg wraps around the ring */
+ memcpy(msg, bus->m_pdwGetRing + curr_grp, space_rem);
+ memcpy((u8 *)msg + space_rem, bus->m_pdwGetRing,
+ sizeof(*msg) - space_rem);
+ if (buf)
+ memcpy(buf, bus->m_pdwGetRing + sizeof(*msg) -
+ space_rem, buf_size);
+
+ } else if (space_rem == sizeof(*msg)) {
+ memcpy(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg));
+ if (buf)
+ memcpy(buf, bus->m_pdwGetRing, buf_size);
+ } else {
+ /* Additional data wraps around the ring */
+ memcpy(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg));
+ if (buf) {
+ memcpy(buf, bus->m_pdwGetRing + curr_grp +
+ sizeof(*msg), space_rem - sizeof(*msg));
+ memcpy(buf + space_rem - sizeof(*msg),
+ bus->m_pdwGetRing, bytes_to_read -
+ space_rem);
+ }
+
+ }
+
+ } else {
+ /* No wrapping */
+ memcpy(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg));
+ if (buf)
+ memcpy(buf, bus->m_pdwGetRing + curr_grp + sizeof(*msg),
+ buf_size);
+ }
+
+ /* Update the read positions, adjusting the ring */
+ *bus->m_pdwGetReadPos = cpu_to_le32(new_grp);
+
+peekout:
+ msg->size = le16_to_cpu(msg->size);
+ msg->command = le16_to_cpu(msg->command);
+ msg->controlselector = le16_to_cpu(msg->controlselector);
+ ret = SAA_OK;
+out:
+ mutex_unlock(&bus->lock);
+ return ret;
+}
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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/init.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "saa7164.h"
+
+/* The Bridge API needs to understand register widths (in bytes) for the
+ * attached I2C devices, so we can simplify the virtual i2c mechansms
+ * and keep the -i2c.c implementation clean.
+ */
+#define REGLEN_8bit 1
+#define REGLEN_16bit 2
+
+struct saa7164_board saa7164_boards[] = {
+ [SAA7164_BOARD_UNKNOWN] = {
+ /* Bridge will not load any firmware, without knowing
+ * the rev this would be fatal. */
+ .name = "Unknown",
+ },
+ [SAA7164_BOARD_UNKNOWN_REV2] = {
+ /* Bridge will load the v2 f/w and dump descriptors */
+ /* Required during new board bringup */
+ .name = "Generic Rev2",
+ .chiprev = SAA7164_CHIP_REV2,
+ },
+ [SAA7164_BOARD_UNKNOWN_REV3] = {
+ /* Bridge will load the v2 f/w and dump descriptors */
+ /* Required during new board bringup */
+ .name = "Generic Rev3",
+ .chiprev = SAA7164_CHIP_REV3,
+ },
+ [SAA7164_BOARD_HAUPPAUGE_HVR2200] = {
+ .name = "Hauppauge WinTV-HVR2200",
+ .porta = SAA7164_MPEG_DVB,
+ .portb = SAA7164_MPEG_DVB,
+ .chiprev = SAA7164_CHIP_REV3,
+ .unit = {{
+ .id = 0x06,
+ .type = SAA7164_UNIT_EEPROM,
+ .name = "4K EEPROM",
+ .i2c_bus_nr = SAA7164_I2C_BUS_0,
+ .i2c_bus_addr = 0xa0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x04,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1b,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1e,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "TDA10048-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x10 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1f,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "TDA10048-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x12 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ } },
+ },
+ [SAA7164_BOARD_HAUPPAUGE_HVR2200_2] = {
+ .name = "Hauppauge WinTV-HVR2200",
+ .porta = SAA7164_MPEG_DVB,
+ .portb = SAA7164_MPEG_DVB,
+ .chiprev = SAA7164_CHIP_REV2,
+ .unit = {{
+ .id = 0x06,
+ .type = SAA7164_UNIT_EEPROM,
+ .name = "4K EEPROM",
+ .i2c_bus_nr = SAA7164_I2C_BUS_0,
+ .i2c_bus_addr = 0xa0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x04,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x05,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "TDA10048-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x10 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1e,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1f,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "TDA10048-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x12 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ } },
+ },
+ [SAA7164_BOARD_HAUPPAUGE_HVR2200_3] = {
+ .name = "Hauppauge WinTV-HVR2200",
+ .porta = SAA7164_MPEG_DVB,
+ .portb = SAA7164_MPEG_DVB,
+ .chiprev = SAA7164_CHIP_REV2,
+ .unit = {{
+ .id = 0x06,
+ .type = SAA7164_UNIT_EEPROM,
+ .name = "4K EEPROM",
+ .i2c_bus_nr = SAA7164_I2C_BUS_0,
+ .i2c_bus_addr = 0xa0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x04,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x05,
+ .type = SAA7164_UNIT_ANALOG_DEMODULATOR,
+ .name = "TDA8290-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x84 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1b,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1c,
+ .type = SAA7164_UNIT_ANALOG_DEMODULATOR,
+ .name = "TDA8290-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x84 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1e,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "TDA10048-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x10 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1f,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "TDA10048-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x12 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ } },
+ },
+ [SAA7164_BOARD_HAUPPAUGE_HVR2250] = {
+ .name = "Hauppauge WinTV-HVR2250",
+ .porta = SAA7164_MPEG_DVB,
+ .portb = SAA7164_MPEG_DVB,
+ .chiprev = SAA7164_CHIP_REV3,
+ .unit = {{
+ .id = 0x22,
+ .type = SAA7164_UNIT_EEPROM,
+ .name = "4K EEPROM",
+ .i2c_bus_nr = SAA7164_I2C_BUS_0,
+ .i2c_bus_addr = 0xa0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x04,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x07,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-1 (TOP)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x32 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x08,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-1 (QAM)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x34 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x1e,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x20,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-2 (TOP)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x32 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x23,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-2 (QAM)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x34 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ } },
+ },
+ [SAA7164_BOARD_HAUPPAUGE_HVR2250_2] = {
+ .name = "Hauppauge WinTV-HVR2250",
+ .porta = SAA7164_MPEG_DVB,
+ .portb = SAA7164_MPEG_DVB,
+ .chiprev = SAA7164_CHIP_REV3,
+ .unit = {{
+ .id = 0x22,
+ .type = SAA7164_UNIT_EEPROM,
+ .name = "4K EEPROM",
+ .i2c_bus_nr = SAA7164_I2C_BUS_0,
+ .i2c_bus_addr = 0xa0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x04,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-1",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x07,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-1 (TOP)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x32 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x08,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-1 (QAM)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_1,
+ .i2c_bus_addr = 0x34 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x24,
+ .type = SAA7164_UNIT_TUNER,
+ .name = "TDA18271-2",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0xc0 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x26,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-2 (TOP)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x32 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ }, {
+ .id = 0x29,
+ .type = SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ .name = "CX24228/S5H1411-2 (QAM)",
+ .i2c_bus_nr = SAA7164_I2C_BUS_2,
+ .i2c_bus_addr = 0x34 >> 1,
+ .i2c_reg_len = REGLEN_8bit,
+ } },
+ },
+};
+const unsigned int saa7164_bcount = ARRAY_SIZE(saa7164_boards);
+
+/* ------------------------------------------------------------------ */
+/* PCI subsystem IDs */
+
+struct saa7164_subid saa7164_subids[] = {
+ {
+ .subvendor = 0x0070,
+ .subdevice = 0x8880,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2250,
+ }, {
+ .subvendor = 0x0070,
+ .subdevice = 0x8810,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2250,
+ }, {
+ .subvendor = 0x0070,
+ .subdevice = 0x8980,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2200,
+ }, {
+ .subvendor = 0x0070,
+ .subdevice = 0x8900,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_2,
+ }, {
+ .subvendor = 0x0070,
+ .subdevice = 0x8901,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2200_3,
+ }, {
+ .subvendor = 0x0070,
+ .subdevice = 0x88A1,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_2,
+ }, {
+ .subvendor = 0x0070,
+ .subdevice = 0x8891,
+ .card = SAA7164_BOARD_HAUPPAUGE_HVR2250_2,
+ },
+};
+const unsigned int saa7164_idcount = ARRAY_SIZE(saa7164_subids);
+
+void saa7164_card_list(struct saa7164_dev *dev)
+{
+ int i;
+
+ if (0 == dev->pci->subsystem_vendor &&
+ 0 == dev->pci->subsystem_device) {
+ printk(KERN_ERR
+ "%s: Board has no valid PCIe Subsystem ID and can't\n"
+ "%s: be autodetected. Pass card=<n> insmod option to\n"
+ "%s: workaround that. Send complaints to the vendor\n"
+ "%s: of the TV card. Best regards,\n"
+ "%s: -- tux\n",
+ dev->name, dev->name, dev->name, dev->name, dev->name);
+ } else {
+ printk(KERN_ERR
+ "%s: Your board isn't known (yet) to the driver.\n"
+ "%s: Try to pick one of the existing card configs via\n"
+ "%s: card=<n> insmod option. Updating to the latest\n"
+ "%s: version might help as well.\n",
+ dev->name, dev->name, dev->name, dev->name);
+ }
+
+ printk(KERN_ERR "%s: Here are valid choices for the card=<n> insmod "
+ "option:\n", dev->name);
+
+ for (i = 0; i < saa7164_bcount; i++)
+ printk(KERN_ERR "%s: card=%d -> %s\n",
+ dev->name, i, saa7164_boards[i].name);
+}
+
+/* TODO: clean this define up into the -cards.c structs */
+#define PCIEBRIDGE_UNITID 2
+
+void saa7164_gpio_setup(struct saa7164_dev *dev)
+{
+
+
+ switch (dev->board) {
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_2:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_3:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250_2:
+ /*
+ GPIO 2: s5h1411 / tda10048-1 demod reset
+ GPIO 3: s5h1411 / tda10048-2 demod reset
+ GPIO 7: IRBlaster Zilog reset
+ */
+
+ /* Reset parts by going in and out of reset */
+ saa7164_api_clear_gpiobit(dev, PCIEBRIDGE_UNITID, 2);
+ saa7164_api_clear_gpiobit(dev, PCIEBRIDGE_UNITID, 3);
+
+ msleep(10);
+
+ saa7164_api_set_gpiobit(dev, PCIEBRIDGE_UNITID, 2);
+ saa7164_api_set_gpiobit(dev, PCIEBRIDGE_UNITID, 3);
+ break;
+ }
+
+}
+
+static void hauppauge_eeprom(struct saa7164_dev *dev, u8 *eeprom_data)
+{
+ struct tveeprom tv;
+
+ /* TODO: Assumption: eeprom on bus 0 */
+ tveeprom_hauppauge_analog(&dev->i2c_bus[0].i2c_client, &tv,
+ eeprom_data);
+
+ /* Make sure we support the board model */
+ switch (tv.model) {
+ case 88001:
+ /* Development board - Limit circulation */
+ /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
+ * ATSC/QAM (TDA18271/S5H1411) and basic analog, no IR, FM */
+ case 88021:
+ /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
+ * ATSC/QAM (TDA18271/S5H1411) and basic analog, MCE CIR, FM */
+ break;
+ case 88041:
+ /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
+ * ATSC/QAM (TDA18271/S5H1411) and basic analog, no IR, FM */
+ break;
+ case 88061:
+ /* WinTV-HVR2250 (PCIe, Retail, full-height bracket)
+ * ATSC/QAM (TDA18271/S5H1411) and basic analog, FM */
+ break;
+ case 89519:
+ case 89609:
+ /* WinTV-HVR2200 (PCIe, Retail, full-height)
+ * DVB-T (TDA18271/TDA10048) and basic analog, no IR */
+ break;
+ case 89619:
+ /* WinTV-HVR2200 (PCIe, Retail, half-height)
+ * DVB-T (TDA18271/TDA10048) and basic analog, no IR */
+ break;
+ default:
+ printk(KERN_ERR "%s: Warning: Unknown Hauppauge model #%d\n",
+ dev->name, tv.model);
+ break;
+ }
+
+ printk(KERN_INFO "%s: Hauppauge eeprom: model=%d\n", dev->name,
+ tv.model);
+}
+
+void saa7164_card_setup(struct saa7164_dev *dev)
+{
+ static u8 eeprom[256];
+
+ if (dev->i2c_bus[0].i2c_rc == 0) {
+ if (saa7164_api_read_eeprom(dev, &eeprom[0],
+ sizeof(eeprom)) < 0)
+ return;
+ }
+
+ switch (dev->board) {
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_2:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_3:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250_2:
+ hauppauge_eeprom(dev, &eeprom[0]);
+ break;
+ }
+}
+
+/* With most other drivers, the kernel expects to communicate with subdrivers
+ * through i2c. This bridge does not allow that, it does not expose any direct
+ * access to I2C. Instead we have to communicate through the device f/w for
+ * register access to 'processing units'. Each unit has a unique
+ * id, regardless of how the physical implementation occurs across
+ * the three physical i2c busses. The being said if we want leverge of
+ * the existing kernel drivers for tuners and demods we have to 'speak i2c',
+ * to this bridge implements 3 virtual i2c buses. This is a helper function
+ * for those.
+ *
+ * Description: Translate the kernels notion of an i2c address and bus into
+ * the appropriate unitid.
+ */
+int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr)
+{
+ /* For a given bus and i2c device address, return the saa7164 unique
+ * unitid. < 0 on error */
+
+ struct saa7164_dev *dev = bus->dev;
+ struct saa7164_unit *unit;
+ int i;
+
+ for (i = 0; i < SAA7164_MAX_UNITS; i++) {
+ unit = &saa7164_boards[dev->board].unit[i];
+
+ if (unit->type == SAA7164_UNIT_UNDEFINED)
+ continue;
+ if ((bus->nr == unit->i2c_bus_nr) &&
+ (addr == unit->i2c_bus_addr))
+ return unit->id;
+ }
+
+ return -1;
+}
+
+/* The 7164 API needs to know the i2c register length in advance.
+ * this is a helper function. Based on a specific chip addr and bus return the
+ * reg length.
+ */
+int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr)
+{
+ /* For a given bus and i2c device address, return the
+ * saa7164 registry address width. < 0 on error
+ */
+
+ struct saa7164_dev *dev = bus->dev;
+ struct saa7164_unit *unit;
+ int i;
+
+ for (i = 0; i < SAA7164_MAX_UNITS; i++) {
+ unit = &saa7164_boards[dev->board].unit[i];
+
+ if (unit->type == SAA7164_UNIT_UNDEFINED)
+ continue;
+
+ if ((bus->nr == unit->i2c_bus_nr) &&
+ (addr == unit->i2c_bus_addr))
+ return unit->i2c_reg_len;
+ }
+
+ return -1;
+}
+/* TODO: implement a 'findeeprom' functio like the above and fix any other
+ * eeprom related todo's in -api.c.
+ */
+
+/* Translate a unitid into a x readable device name, for display purposes. */
+char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid)
+{
+ char *undefed = "UNDEFINED";
+ char *bridge = "BRIDGE";
+ struct saa7164_unit *unit;
+ int i;
+
+ if (unitid == 0)
+ return bridge;
+
+ for (i = 0; i < SAA7164_MAX_UNITS; i++) {
+ unit = &saa7164_boards[dev->board].unit[i];
+
+ if (unit->type == SAA7164_UNIT_UNDEFINED)
+ continue;
+
+ if (unitid == unit->id)
+ return unit->name;
+ }
+
+ return undefed;
+}
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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/wait.h>
+
+#include "saa7164.h"
+
+int saa7164_cmd_alloc_seqno(struct saa7164_dev *dev)
+{
+ int i, ret = -1;
+
+ mutex_lock(&dev->lock);
+ for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
+ if (dev->cmds[i].inuse == 0) {
+ dev->cmds[i].inuse = 1;
+ dev->cmds[i].signalled = 0;
+ dev->cmds[i].timeout = 0;
+ ret = dev->cmds[i].seqno;
+ break;
+ }
+ }
+ mutex_unlock(&dev->lock);
+
+ return ret;
+}
+
+void saa7164_cmd_free_seqno(struct saa7164_dev *dev, u8 seqno)
+{
+ mutex_lock(&dev->lock);
+ if ((dev->cmds[seqno].inuse == 1) &&
+ (dev->cmds[seqno].seqno == seqno)) {
+ dev->cmds[seqno].inuse = 0;
+ dev->cmds[seqno].signalled = 0;
+ dev->cmds[seqno].timeout = 0;
+ }
+ mutex_unlock(&dev->lock);
+}
+
+void saa7164_cmd_timeout_seqno(struct saa7164_dev *dev, u8 seqno)
+{
+ mutex_lock(&dev->lock);
+ if ((dev->cmds[seqno].inuse == 1) &&
+ (dev->cmds[seqno].seqno == seqno)) {
+ dev->cmds[seqno].timeout = 1;
+ }
+ mutex_unlock(&dev->lock);
+}
+
+u32 saa7164_cmd_timeout_get(struct saa7164_dev *dev, u8 seqno)
+{
+ int ret = 0;
+
+ mutex_lock(&dev->lock);
+ if ((dev->cmds[seqno].inuse == 1) &&
+ (dev->cmds[seqno].seqno == seqno)) {
+ ret = dev->cmds[seqno].timeout;
+ }
+ mutex_unlock(&dev->lock);
+
+ return ret;
+}
+
+/* Commands to the f/w get marshelled to/from this code then onto the PCI
+ * -bus/c running buffer. */
+int saa7164_cmd_dequeue(struct saa7164_dev *dev)
+{
+ int loop = 1;
+ int ret;
+ u32 timeout;
+ wait_queue_head_t *q = 0;
+ u8 tmp[512];
+ dprintk(DBGLVL_CMD, "%s()\n", __func__);
+
+ while (loop) {
+
+ tmComResInfo_t tRsp = { 0, 0, 0, 0, 0, 0 };
+ ret = saa7164_bus_get(dev, &tRsp, NULL, 1);
+ if (ret == SAA_ERR_EMPTY)
+ return SAA_OK;
+
+ if (ret != SAA_OK)
+ return ret;
+
+ q = &dev->cmds[tRsp.seqno].wait;
+ timeout = saa7164_cmd_timeout_get(dev, tRsp.seqno);
+ dprintk(DBGLVL_CMD, "%s() timeout = %d\n", __func__, timeout);
+ if (timeout) {
+ printk(KERN_ERR "found timed out command on the bus\n");
+
+ /* Clean the bus */
+ ret = saa7164_bus_get(dev, &tRsp, &tmp, 0);
+ printk(KERN_ERR "ret = %x\n", ret);
+ if (ret == SAA_ERR_EMPTY)
+ /* Someone else already fetched the response */
+ return SAA_OK;
+
+ if (ret != SAA_OK)
+ return ret;
+
+ if (tRsp.flags & PVC_CMDFLAG_CONTINUE)
+ printk(KERN_ERR "split response\n");
+ else
+ saa7164_cmd_free_seqno(dev, tRsp.seqno);
+
+ printk(KERN_ERR " timeout continue\n");
+ continue;
+ }
+
+ dprintk(DBGLVL_CMD, "%s() signalled seqno(%d) (for dequeue)\n",
+ __func__, tRsp.seqno);
+ dev->cmds[tRsp.seqno].signalled = 1;
+ wake_up(q);
+ return SAA_OK;
+ }
+
+ return SAA_OK;
+}
+
+int saa7164_cmd_set(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf)
+{
+ tmComResBusInfo_t *bus = &dev->bus;
+ u8 cmd_sent;
+ u16 size, idx;
+ u32 cmds;
+ void *tmp;
+ int ret = -1;
+
+ if (!msg) {
+ printk(KERN_ERR "%s() !msg\n", __func__);
+ return SAA_ERR_BAD_PARAMETER;
+ }
+
+ mutex_lock(&dev->cmds[msg->id].lock);
+
+ size = msg->size;
+ idx = 0;
+ cmds = size / bus->m_wMaxReqSize;
+ if (size % bus->m_wMaxReqSize == 0)
+ cmds -= 1;
+
+ cmd_sent = 0;
+
+ /* Split the request into smaller chunks */
+ for (idx = 0; idx < cmds; idx++) {
+
+ msg->flags |= SAA_CMDFLAG_CONTINUE;
+ msg->size = bus->m_wMaxReqSize;
+ tmp = buf + idx * bus->m_wMaxReqSize;
+
+ ret = saa7164_bus_set(dev, msg, tmp);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "%s() set failed %d\n", __func__, ret);
+
+ if (cmd_sent) {
+ ret = SAA_ERR_BUSY;
+ goto out;
+ }
+ ret = SAA_ERR_OVERFLOW;
+ goto out;
+ }
+ cmd_sent = 1;
+ }
+
+ /* If not the last command... */
+ if (idx != 0)
+ msg->flags &= ~SAA_CMDFLAG_CONTINUE;
+
+ msg->size = size - idx * bus->m_wMaxReqSize;
+
+ ret = saa7164_bus_set(dev, msg, buf + idx * bus->m_wMaxReqSize);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "%s() set last failed %d\n", __func__, ret);
+
+ if (cmd_sent) {
+ ret = SAA_ERR_BUSY;
+ goto out;
+ }
+ ret = SAA_ERR_OVERFLOW;
+ goto out;
+ }
+ ret = SAA_OK;
+
+out:
+ mutex_unlock(&dev->cmds[msg->id].lock);
+ return ret;
+}
+
+/* Wait for a signal event, without holding a mutex. Either return TIMEOUT if
+ * the event never occured, or SAA_OK if it was signaled during the wait.
+ */
+int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno)
+{
+ wait_queue_head_t *q = 0;
+ int ret = SAA_BUS_TIMEOUT;
+ unsigned long stamp;
+ int r;
+
+ if (debug >= 4)
+ saa7164_bus_dump(dev);
+
+ dprintk(DBGLVL_CMD, "%s(seqno=%d)\n", __func__, seqno);
+
+ mutex_lock(&dev->lock);
+ if ((dev->cmds[seqno].inuse == 1) &&
+ (dev->cmds[seqno].seqno == seqno)) {
+ q = &dev->cmds[seqno].wait;
+ }
+ mutex_unlock(&dev->lock);
+
+ if (q) {
+ /* If we haven't been signalled we need to wait */
+ if (dev->cmds[seqno].signalled == 0) {
+ stamp = jiffies;
+ dprintk(DBGLVL_CMD,
+ "%s(seqno=%d) Waiting (signalled=%d)\n",
+ __func__, seqno, dev->cmds[seqno].signalled);
+
+ /* Wait for signalled to be flagged or timeout */
+ wait_event_timeout(*q, dev->cmds[seqno].signalled, HZ);
+ r = time_before(jiffies, stamp + HZ);
+ if (r)
+ ret = SAA_OK;
+ else
+ saa7164_cmd_timeout_seqno(dev, seqno);
+
+ dprintk(DBGLVL_CMD, "%s(seqno=%d) Waiting res = %d "
+ "(signalled=%d)\n", __func__, seqno, r,
+ dev->cmds[seqno].signalled);
+ } else
+ ret = SAA_OK;
+ } else
+ printk(KERN_ERR "%s(seqno=%d) seqno is invalid\n",
+ __func__, seqno);
+
+ return ret;
+}
+
+void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno)
+{
+ int i;
+ dprintk(DBGLVL_CMD, "%s()\n", __func__);
+
+ mutex_lock(&dev->lock);
+ for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
+ if (dev->cmds[i].inuse == 1) {
+ dprintk(DBGLVL_CMD,
+ "seqno %d inuse, sig = %d, t/out = %d\n",
+ dev->cmds[i].seqno,
+ dev->cmds[i].signalled,
+ dev->cmds[i].timeout);
+ }
+ }
+
+ for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
+ if ((dev->cmds[i].inuse == 1) && ((i == 0) ||
+ (dev->cmds[i].signalled) || (dev->cmds[i].timeout))) {
+ dprintk(DBGLVL_CMD, "%s(seqno=%d) calling wake_up\n",
+ __func__, i);
+ dev->cmds[i].signalled = 1;
+ wake_up(&dev->cmds[i].wait);
+ }
+ }
+ mutex_unlock(&dev->lock);
+}
+
+int saa7164_cmd_send(struct saa7164_dev *dev, u8 id, tmComResCmd_t command,
+ u16 controlselector, u16 size, void *buf)
+{
+ tmComResInfo_t command_t, *pcommand_t;
+ tmComResInfo_t response_t, *presponse_t;
+ u8 errdata[256];
+ u16 resp_dsize;
+ u16 data_recd;
+ u32 loop;
+ int ret;
+ int safety = 0;
+
+ dprintk(DBGLVL_CMD, "%s(unitid = %s (%d) , command = 0x%x, "
+ "sel = 0x%x)\n", __func__, saa7164_unitid_name(dev, id), id,
+ command, controlselector);
+
+ if ((size == 0) || (buf == 0)) {
+ printk(KERN_ERR "%s() Invalid param\n", __func__);
+ return SAA_ERR_BAD_PARAMETER;
+ }
+
+ /* Prepare some basic command/response structures */
+ memset(&command_t, 0, sizeof(command_t));
+ memset(&response_t, 0, sizeof(&response_t));
+ pcommand_t = &command_t;
+ presponse_t = &response_t;
+ command_t.id = id;
+ command_t.command = command;
+ command_t.controlselector = controlselector;
+ command_t.size = size;
+
+ /* Allocate a unique sequence number */
+ ret = saa7164_cmd_alloc_seqno(dev);
+ if (ret < 0) {
+ printk(KERN_ERR "%s() No free sequences\n", __func__);
+ ret = SAA_ERR_NO_RESOURCES;
+ goto out;
+ }
+
+ command_t.seqno = (u8)ret;
+
+ /* Send Command */
+ resp_dsize = size;
+ pcommand_t->size = size;
+
+ dprintk(DBGLVL_CMD, "%s() pcommand_t.seqno = %d\n",
+ __func__, pcommand_t->seqno);
+
+ dprintk(DBGLVL_CMD, "%s() pcommand_t.size = %d\n",
+ __func__, pcommand_t->size);
+
+ ret = saa7164_cmd_set(dev, pcommand_t, buf);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "%s() set command failed %d\n", __func__, ret);
+
+ if (ret != SAA_ERR_BUSY)
+ saa7164_cmd_free_seqno(dev, pcommand_t->seqno);
+ else
+ /* Flag a timeout, because at least one
+ * command was sent */
+ saa7164_cmd_timeout_seqno(dev, pcommand_t->seqno);
+
+ goto out;
+ }
+
+ /* With split responses we have to collect the msgs piece by piece */
+ data_recd = 0;
+ loop = 1;
+ while (loop) {
+ dprintk(DBGLVL_CMD, "%s() loop\n", __func__);
+
+ ret = saa7164_cmd_wait(dev, pcommand_t->seqno);
+ dprintk(DBGLVL_CMD, "%s() loop ret = %d\n", __func__, ret);
+
+ /* if power is down and this is not a power command ... */
+
+ if (ret == SAA_BUS_TIMEOUT) {
+ printk(KERN_ERR "Event timed out\n");
+ saa7164_cmd_timeout_seqno(dev, pcommand_t->seqno);
+ return ret;
+ }
+
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "spurious error\n");
+ return ret;
+ }
+
+ /* Peek response */
+ ret = saa7164_bus_get(dev, presponse_t, NULL, 1);
+ if (ret == SAA_ERR_EMPTY) {
+ dprintk(4, "%s() SAA_ERR_EMPTY\n", __func__);
+ continue;
+ }
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "peek failed\n");
+ return ret;
+ }
+
+ dprintk(DBGLVL_CMD, "%s() presponse_t->seqno = %d\n",
+ __func__, presponse_t->seqno);
+
+ dprintk(DBGLVL_CMD, "%s() presponse_t->flags = 0x%x\n",
+ __func__, presponse_t->flags);
+
+ dprintk(DBGLVL_CMD, "%s() presponse_t->size = %d\n",
+ __func__, presponse_t->size);
+
+ /* Check if the response was for our command */
+ if (presponse_t->seqno != pcommand_t->seqno) {
+
+ dprintk(DBGLVL_CMD,
+ "wrong event: seqno = %d, "
+ "expected seqno = %d, "
+ "will dequeue regardless\n",
+ presponse_t->seqno, pcommand_t->seqno);
+
+ ret = saa7164_cmd_dequeue(dev);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "dequeue failed, ret = %d\n",
+ ret);
+ if (safety++ > 16) {
+ printk(KERN_ERR
+ "dequeue exceeded, safety exit\n");
+ return SAA_ERR_BUSY;
+ }
+ }
+
+ continue;
+ }
+
+ if ((presponse_t->flags & PVC_RESPONSEFLAG_ERROR) != 0) {
+
+ memset(&errdata[0], 0, sizeof(errdata));
+
+ ret = saa7164_bus_get(dev, presponse_t, &errdata[0], 0);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "get error(2)\n");
+ return ret;
+ }
+
+ saa7164_cmd_free_seqno(dev, pcommand_t->seqno);
+
+ dprintk(DBGLVL_CMD, "%s() errdata %02x%02x%02x%02x\n",
+ __func__, errdata[0], errdata[1], errdata[2],
+ errdata[3]);
+
+ /* Map error codes */
+ dprintk(DBGLVL_CMD, "%s() cmd, error code = 0x%x\n",
+ __func__, errdata[0]);
+
+ switch (errdata[0]) {
+ case PVC_ERRORCODE_INVALID_COMMAND:
+ dprintk(DBGLVL_CMD, "%s() INVALID_COMMAND\n",
+ __func__);
+ ret = SAA_ERR_INVALID_COMMAND;
+ break;
+ case PVC_ERRORCODE_INVALID_DATA:
+ dprintk(DBGLVL_CMD, "%s() INVALID_DATA\n",
+ __func__);
+ ret = SAA_ERR_BAD_PARAMETER;
+ break;
+ case PVC_ERRORCODE_TIMEOUT:
+ dprintk(DBGLVL_CMD, "%s() TIMEOUT\n", __func__);
+ ret = SAA_ERR_TIMEOUT;
+ break;
+ case PVC_ERRORCODE_NAK:
+ dprintk(DBGLVL_CMD, "%s() NAK\n", __func__);
+ ret = SAA_ERR_NULL_PACKET;
+ break;
+ case PVC_ERRORCODE_UNKNOWN:
+ case PVC_ERRORCODE_INVALID_CONTROL:
+ dprintk(DBGLVL_CMD,
+ "%s() UNKNOWN OR INVALID CONTROL\n",
+ __func__);
+ default:
+ dprintk(DBGLVL_CMD, "%s() UNKNOWN\n", __func__);
+ ret = SAA_ERR_NOT_SUPPORTED;
+ }
+
+ /* See of other commands are on the bus */
+ if (saa7164_cmd_dequeue(dev) != SAA_OK)
+ printk(KERN_ERR "dequeue(2) failed\n");
+
+ return ret;
+ }
+
+ /* If response is invalid */
+ if ((presponse_t->id != pcommand_t->id) ||
+ (presponse_t->command != pcommand_t->command) ||
+ (presponse_t->controlselector !=
+ pcommand_t->controlselector) ||
+ (((resp_dsize - data_recd) != presponse_t->size) &&
+ !(presponse_t->flags & PVC_CMDFLAG_CONTINUE)) ||
+ ((resp_dsize - data_recd) < presponse_t->size)) {
+
+ /* Invalid */
+ dprintk(DBGLVL_CMD, "%s() Invalid\n", __func__);
+ ret = saa7164_bus_get(dev, presponse_t, 0, 0);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "get failed\n");
+ return ret;
+ }
+
+ /* See of other commands are on the bus */
+ if (saa7164_cmd_dequeue(dev) != SAA_OK)
+ printk(KERN_ERR "dequeue(3) failed\n");
+ continue;
+ }
+
+ /* OK, now we're actually getting out correct response */
+ ret = saa7164_bus_get(dev, presponse_t, buf + data_recd, 0);
+ if (ret != SAA_OK) {
+ printk(KERN_ERR "get failed\n");
+ return ret;
+ }
+
+ data_recd = presponse_t->size + data_recd;
+ if (resp_dsize == data_recd) {
+ dprintk(DBGLVL_CMD, "%s() Resp recd\n", __func__);
+ break;
+ }
+
+ /* See of other commands are on the bus */
+ if (saa7164_cmd_dequeue(dev) != SAA_OK)
+ printk(KERN_ERR "dequeue(3) failed\n");
+
+ continue;
+
+ } /* (loop) */
+
+ /* Release the sequence number allocation */
+ saa7164_cmd_free_seqno(dev, pcommand_t->seqno);
+
+ /* if powerdown signal all pending commands */
+
+ dprintk(DBGLVL_CMD, "%s() Calling dequeue then exit\n", __func__);
+
+ /* See of other commands are on the bus */
+ if (saa7164_cmd_dequeue(dev) != SAA_OK)
+ printk(KERN_ERR "dequeue(4) failed\n");
+
+ ret = SAA_OK;
+out:
+ return ret;
+}
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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/init.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kmod.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <asm/div64.h>
+
+#include "saa7164.h"
+
+MODULE_DESCRIPTION("Driver for NXP SAA7164 based TV cards");
+MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>");
+MODULE_LICENSE("GPL");
+
+/*
+ 1 Basic
+ 2
+ 4 i2c
+ 8 api
+ 16 cmd
+ 32 bus
+ */
+
+unsigned int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
+
+static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET };
+module_param_array(card, int, NULL, 0444);
+MODULE_PARM_DESC(card, "card type");
+
+static unsigned int saa7164_devcount;
+
+static DEFINE_MUTEX(devlist);
+LIST_HEAD(saa7164_devlist);
+
+#define INT_SIZE 16
+
+static void saa7164_work_cmdhandler(struct work_struct *w)
+{
+ struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd);
+
+ /* Wake up any complete commands */
+ saa7164_cmd_signal(dev, 0);
+}
+
+static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
+{
+ struct saa7164_tsport *port = buf->port;
+
+ /* Feed the transport payload into the kernel demux */
+ dvb_dmx_swfilter_packets(&port->dvb.demux, buf->cpu,
+ SAA7164_TS_NUMBER_OF_LINES);
+
+}
+
+static irqreturn_t saa7164_irq_ts(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf;
+ struct list_head *c, *n;
+ int wp, i = 0, rp;
+
+ /* Find the current write point from the hardware */
+ wp = saa7164_readl(port->bufcounter);
+ if (wp > (port->hwcfg.buffercount - 1))
+ BUG();
+
+ /* Find the previous buffer to the current write point */
+ if (wp == 0)
+ rp = 7;
+ else
+ rp = wp - 1;
+
+ /* Lookup the WP in the buffer list */
+ /* TODO: turn this into a worker thread */
+ list_for_each_safe(c, n, &port->dmaqueue.list) {
+ buf = list_entry(c, struct saa7164_buffer, list);
+ if (i++ > port->hwcfg.buffercount)
+ BUG();
+
+ if (buf->nr == rp) {
+ /* Found the buffer, deal with it */
+ dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n",
+ __func__, wp, rp);
+ saa7164_buffer_deliver(buf);
+ break;
+ }
+
+ }
+ return 0;
+}
+
+/* Primary IRQ handler and dispatch mechanism */
+static irqreturn_t saa7164_irq(int irq, void *dev_id)
+{
+ struct saa7164_dev *dev = dev_id;
+ u32 hwacc = 0, interruptid;
+ u32 intstat[INT_SIZE/4];
+ int i, handled = 0, bit;
+
+ /* Check that the hardware is accessable. If the status bytes are
+ * 0xFF then the device is not accessable, the the IRQ belongs
+ * to another driver.
+ */
+ for (i = 0; i < INT_SIZE/4; i++) {
+
+ /* TODO: Convert into saa7164_readl() */
+ /* Read the 4 hardware interrupt registers */
+ intstat[i] = *(dev->InterruptStatus + i);
+
+ if (intstat[i] != 0xffffffff)
+ hwacc = 1;
+ }
+ if (hwacc == 0) {
+ handled = 0;
+ goto out;
+ }
+
+ handled = 1;
+
+ /* For each of the HW interrupt registers */
+ for (i = 0; i < INT_SIZE/4; i++) {
+
+ if (intstat[i]) {
+ /* Each function of the board has it's own interruptid.
+ * Find the function that triggered then call
+ * it's handler.
+ */
+ for (bit = 0; bit < 32; bit++) {
+
+ if (((intstat[i] >> bit) & 0x00000001) == 0)
+ continue;
+
+ /* Calculate the interrupt id (0x00 to 0x7f) */
+
+ interruptid = (i * 32) + bit;
+ if (interruptid == dev->intfdesc.bInterruptId) {
+ /* A response to an cmd/api call */
+ schedule_work(&dev->workcmd);
+ } else if (interruptid ==
+ dev->ts1.hwcfg.interruptid) {
+
+ /* Transport path 1 */
+ saa7164_irq_ts(&dev->ts1);
+
+ } else if (interruptid ==
+ dev->ts2.hwcfg.interruptid) {
+
+ /* Transport path 2 */
+ saa7164_irq_ts(&dev->ts2);
+
+ } else {
+ /* Find the function */
+ dprintk(DBGLVL_IRQ,
+ "%s() unhandled interrupt "
+ "reg 0x%x bit 0x%x "
+ "intid = 0x%x\n",
+ __func__, i, bit, interruptid);
+ }
+ }
+
+ /* TODO: Convert into saa7164_writel() */
+ /* Ack it */
+ *(dev->InterruptAck + i) = intstat[i];
+
+ }
+ }
+out:
+ return IRQ_RETVAL(handled);
+}
+
+void saa7164_getfirmwarestatus(struct saa7164_dev *dev)
+{
+ struct saa7164_fw_status *s = &dev->fw_status;
+
+ dev->fw_status.status = saa7164_readl(SAA_DEVICE_SYSINIT_STATUS);
+ dev->fw_status.mode = saa7164_readl(SAA_DEVICE_SYSINIT_MODE);
+ dev->fw_status.spec = saa7164_readl(SAA_DEVICE_SYSINIT_SPEC);
+ dev->fw_status.inst = saa7164_readl(SAA_DEVICE_SYSINIT_INST);
+ dev->fw_status.cpuload = saa7164_readl(SAA_DEVICE_SYSINIT_CPULOAD);
+ dev->fw_status.remainheap =
+ saa7164_readl(SAA_DEVICE_SYSINIT_REMAINHEAP);
+
+ dprintk(1, "Firmware status:\n");
+ dprintk(1, " .status = 0x%08x\n", s->status);
+ dprintk(1, " .mode = 0x%08x\n", s->mode);
+ dprintk(1, " .spec = 0x%08x\n", s->spec);
+ dprintk(1, " .inst = 0x%08x\n", s->inst);
+ dprintk(1, " .cpuload = 0x%08x\n", s->cpuload);
+ dprintk(1, " .remainheap = 0x%08x\n", s->remainheap);
+}
+
+u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev)
+{
+ u32 reg;
+
+ reg = saa7164_readl(SAA_DEVICE_VERSION);
+ dprintk(1, "Device running firmware version %d.%d.%d.%d (0x%x)\n",
+ (reg & 0x0000fc00) >> 10,
+ (reg & 0x000003e0) >> 5,
+ (reg & 0x0000001f),
+ (reg & 0xffff0000) >> 16,
+ reg);
+
+ return reg;
+}
+
+/* TODO: Debugging func, remove */
+void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len)
+{
+ int i;
+
+ printk(KERN_INFO "--------------------> "
+ "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+
+ for (i = 0; i < len; i += 16)
+ printk(KERN_INFO " [0x%08x] "
+ "%02x %02x %02x %02x %02x %02x %02x %02x "
+ "%02x %02x %02x %02x %02x %02x %02x %02x\n", i,
+ *(buf+i+0), *(buf+i+1), *(buf+i+2), *(buf+i+3),
+ *(buf+i+4), *(buf+i+5), *(buf+i+6), *(buf+i+7),
+ *(buf+i+8), *(buf+i+9), *(buf+i+10), *(buf+i+11),
+ *(buf+i+12), *(buf+i+13), *(buf+i+14), *(buf+i+15));
+}
+
+/* TODO: Debugging func, remove */
+void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr)
+{
+ int i;
+
+ dprintk(1, "--------------------> "
+ "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
+
+ for (i = 0; i < 0x100; i += 16)
+ dprintk(1, "region0[0x%08x] = "
+ "%02x %02x %02x %02x %02x %02x %02x %02x"
+ " %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
+ (u8)saa7164_readb(addr + i + 0),
+ (u8)saa7164_readb(addr + i + 1),
+ (u8)saa7164_readb(addr + i + 2),
+ (u8)saa7164_readb(addr + i + 3),
+ (u8)saa7164_readb(addr + i + 4),
+ (u8)saa7164_readb(addr + i + 5),
+ (u8)saa7164_readb(addr + i + 6),
+ (u8)saa7164_readb(addr + i + 7),
+ (u8)saa7164_readb(addr + i + 8),
+ (u8)saa7164_readb(addr + i + 9),
+ (u8)saa7164_readb(addr + i + 10),
+ (u8)saa7164_readb(addr + i + 11),
+ (u8)saa7164_readb(addr + i + 12),
+ (u8)saa7164_readb(addr + i + 13),
+ (u8)saa7164_readb(addr + i + 14),
+ (u8)saa7164_readb(addr + i + 15)
+ );
+}
+
+static void saa7164_dump_hwdesc(struct saa7164_dev *dev)
+{
+ dprintk(1, "@0x%p hwdesc sizeof(tmComResHWDescr_t) = %lu bytes\n",
+ &dev->hwdesc, sizeof(tmComResHWDescr_t));
+
+ dprintk(1, " .bLength = 0x%x\n", dev->hwdesc.bLength);
+ dprintk(1, " .bDescriptorType = 0x%x\n", dev->hwdesc.bDescriptorType);
+ dprintk(1, " .bDescriptorSubtype = 0x%x\n",
+ dev->hwdesc.bDescriptorSubtype);
+
+ dprintk(1, " .bcdSpecVersion = 0x%x\n", dev->hwdesc.bcdSpecVersion);
+ dprintk(1, " .dwClockFrequency = 0x%x\n", dev->hwdesc.dwClockFrequency);
+ dprintk(1, " .dwClockUpdateRes = 0x%x\n", dev->hwdesc.dwClockUpdateRes);
+ dprintk(1, " .bCapabilities = 0x%x\n", dev->hwdesc.bCapabilities);
+ dprintk(1, " .dwDeviceRegistersLocation = 0x%x\n",
+ dev->hwdesc.dwDeviceRegistersLocation);
+
+ dprintk(1, " .dwHostMemoryRegion = 0x%x\n",
+ dev->hwdesc.dwHostMemoryRegion);
+
+ dprintk(1, " .dwHostMemoryRegionSize = 0x%x\n",
+ dev->hwdesc.dwHostMemoryRegionSize);
+
+ dprintk(1, " .dwHostHibernatMemRegion = 0x%x\n",
+ dev->hwdesc.dwHostHibernatMemRegion);
+
+ dprintk(1, " .dwHostHibernatMemRegionSize = 0x%x\n",
+ dev->hwdesc.dwHostHibernatMemRegionSize);
+}
+
+static void saa7164_dump_intfdesc(struct saa7164_dev *dev)
+{
+ dprintk(1, "@0x%p intfdesc "
+ "sizeof(tmComResInterfaceDescr_t) = %lu bytes\n",
+ &dev->intfdesc, sizeof(tmComResInterfaceDescr_t));
+
+ dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength);
+ dprintk(1, " .bDescriptorType = 0x%x\n", dev->intfdesc.bDescriptorType);
+ dprintk(1, " .bDescriptorSubtype = 0x%x\n",
+ dev->intfdesc.bDescriptorSubtype);
+
+ dprintk(1, " .bFlags = 0x%x\n", dev->intfdesc.bFlags);
+ dprintk(1, " .bInterfaceType = 0x%x\n", dev->intfdesc.bInterfaceType);
+ dprintk(1, " .bInterfaceId = 0x%x\n", dev->intfdesc.bInterfaceId);
+ dprintk(1, " .bBaseInterface = 0x%x\n", dev->intfdesc.bBaseInterface);
+ dprintk(1, " .bInterruptId = 0x%x\n", dev->intfdesc.bInterruptId);
+ dprintk(1, " .bDebugInterruptId = 0x%x\n",
+ dev->intfdesc.bDebugInterruptId);
+
+ dprintk(1, " .BARLocation = 0x%x\n", dev->intfdesc.BARLocation);
+}
+
+static void saa7164_dump_busdesc(struct saa7164_dev *dev)
+{
+ dprintk(1, "@0x%p busdesc sizeof(tmComResBusDescr_t) = %lu bytes\n",
+ &dev->busdesc, sizeof(tmComResBusDescr_t));
+
+ dprintk(1, " .CommandRing = 0x%016Lx\n", dev->busdesc.CommandRing);
+ dprintk(1, " .ResponseRing = 0x%016Lx\n", dev->busdesc.ResponseRing);
+ dprintk(1, " .CommandWrite = 0x%x\n", dev->busdesc.CommandWrite);
+ dprintk(1, " .CommandRead = 0x%x\n", dev->busdesc.CommandRead);
+ dprintk(1, " .ResponseWrite = 0x%x\n", dev->busdesc.ResponseWrite);
+ dprintk(1, " .ResponseRead = 0x%x\n", dev->busdesc.ResponseRead);
+}
+
+/* Much of the hardware configuration and PCI registers are configured
+ * dynamically depending on firmware. We have to cache some initial
+ * structures then use these to locate other important structures
+ * from PCI space.
+ */
+static void saa7164_get_descriptors(struct saa7164_dev *dev)
+{
+ memcpy(&dev->hwdesc, dev->bmmio, sizeof(tmComResHWDescr_t));
+ memcpy(&dev->intfdesc, dev->bmmio + sizeof(tmComResHWDescr_t),
+ sizeof(tmComResInterfaceDescr_t));
+ memcpy(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation,
+ sizeof(tmComResBusDescr_t));
+
+ if (dev->hwdesc.bLength != sizeof(tmComResHWDescr_t)) {
+ printk(KERN_ERR "Structure tmComResHWDescr_t is mangled\n");
+ printk(KERN_ERR "Need %x got %lu\n", dev->hwdesc.bLength,
+ sizeof(tmComResHWDescr_t));
+ } else
+ saa7164_dump_hwdesc(dev);
+
+ if (dev->intfdesc.bLength != sizeof(tmComResInterfaceDescr_t)) {
+ printk(KERN_ERR "struct tmComResInterfaceDescr_t is mangled\n");
+ printk(KERN_ERR "Need %x got %lu\n", dev->intfdesc.bLength,
+ sizeof(tmComResInterfaceDescr_t));
+ } else
+ saa7164_dump_intfdesc(dev);
+
+ saa7164_dump_busdesc(dev);
+}
+
+static int saa7164_pci_quirks(struct saa7164_dev *dev)
+{
+ return 0;
+}
+
+static int get_resources(struct saa7164_dev *dev)
+{
+ if (request_mem_region(pci_resource_start(dev->pci, 0),
+ pci_resource_len(dev->pci, 0), dev->name)) {
+
+ if (request_mem_region(pci_resource_start(dev->pci, 2),
+ pci_resource_len(dev->pci, 2), dev->name))
+ return 0;
+ }
+
+ printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx or 0x%llx\n",
+ dev->name,
+ (u64)pci_resource_start(dev->pci, 0),
+ (u64)pci_resource_start(dev->pci, 2));
+
+ return -EBUSY;
+}
+
+static int saa7164_dev_setup(struct saa7164_dev *dev)
+{
+ int i;
+
+ mutex_init(&dev->lock);
+ atomic_inc(&dev->refcount);
+ dev->nr = saa7164_devcount++;
+
+ sprintf(dev->name, "saa7164[%d]", dev->nr);
+
+ mutex_lock(&devlist);
+ list_add_tail(&dev->devlist, &saa7164_devlist);
+ mutex_unlock(&devlist);
+
+ /* board config */
+ dev->board = UNSET;
+ if (card[dev->nr] < saa7164_bcount)
+ dev->board = card[dev->nr];
+
+ for (i = 0; UNSET == dev->board && i < saa7164_idcount; i++)
+ if (dev->pci->subsystem_vendor == saa7164_subids[i].subvendor &&
+ dev->pci->subsystem_device ==
+ saa7164_subids[i].subdevice)
+ dev->board = saa7164_subids[i].card;
+
+ if (UNSET == dev->board) {
+ dev->board = SAA7164_BOARD_UNKNOWN;
+ saa7164_card_list(dev);
+ }
+
+ dev->pci_bus = dev->pci->bus->number;
+ dev->pci_slot = PCI_SLOT(dev->pci->devfn);
+
+ /* I2C Defaults / setup */
+ dev->i2c_bus[0].dev = dev;
+ dev->i2c_bus[0].nr = 0;
+ dev->i2c_bus[1].dev = dev;
+ dev->i2c_bus[1].nr = 1;
+ dev->i2c_bus[2].dev = dev;
+ dev->i2c_bus[2].nr = 2;
+
+ /* Transport port A Defaults / setup */
+ dev->ts1.dev = dev;
+ dev->ts1.nr = 0;
+ mutex_init(&dev->ts1.dvb.lock);
+ INIT_LIST_HEAD(&dev->ts1.dmaqueue.list);
+ INIT_LIST_HEAD(&dev->ts1.dummy_dmaqueue.list);
+ mutex_init(&dev->ts1.dmaqueue_lock);
+ mutex_init(&dev->ts1.dummy_dmaqueue_lock);
+
+ /* Transport port B Defaults / setup */
+ dev->ts2.dev = dev;
+ dev->ts2.nr = 1;
+ mutex_init(&dev->ts2.dvb.lock);
+ INIT_LIST_HEAD(&dev->ts2.dmaqueue.list);
+ INIT_LIST_HEAD(&dev->ts2.dummy_dmaqueue.list);
+ mutex_init(&dev->ts2.dmaqueue_lock);
+ mutex_init(&dev->ts2.dummy_dmaqueue_lock);
+
+ if (get_resources(dev) < 0) {
+ printk(KERN_ERR "CORE %s No more PCIe resources for "
+ "subsystem: %04x:%04x\n",
+ dev->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device);
+
+ saa7164_devcount--;
+ return -ENODEV;
+ }
+
+ /* PCI/e allocations */
+ dev->lmmio = ioremap(pci_resource_start(dev->pci, 0),
+ pci_resource_len(dev->pci, 0));
+
+ dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2),
+ pci_resource_len(dev->pci, 2));
+
+ printk(KERN_INFO "CORE %s: dev->lmmio = 0x%p\n", dev->name,
+ dev->lmmio);
+
+ printk(KERN_INFO "CORE %s: dev->lmmio2 = 0x%p\n", dev->name,
+ dev->lmmio2);
+
+ dev->bmmio = (u8 __iomem *)dev->lmmio;
+ dev->bmmio2 = (u8 __iomem *)dev->lmmio2;
+ printk(KERN_INFO "CORE %s: dev->bmmio = 0x%p\n", dev->name,
+ dev->bmmio);
+
+ printk(KERN_INFO "CORE %s: dev->bmmio2 = 0x%p\n", dev->name,
+ dev->bmmio2);
+
+ /* TODO: Magic defines used in the windows driver, define these */
+ dev->InterruptStatus = (u32 *)(dev->bmmio + 0x183000 + 0xf80);
+ dev->InterruptAck = (u32 *)(dev->bmmio + 0x183000 + 0xf90);
+
+ printk(KERN_INFO
+ "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
+ dev->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, saa7164_boards[dev->board].name,
+ dev->board, card[dev->nr] == dev->board ?
+ "insmod option" : "autodetected");
+
+ saa7164_pci_quirks(dev);
+
+ return 0;
+}
+
+static void saa7164_dev_unregister(struct saa7164_dev *dev)
+{
+ dprintk(1, "%s()\n", __func__);
+
+ release_mem_region(pci_resource_start(dev->pci, 0),
+ pci_resource_len(dev->pci, 0));
+
+ release_mem_region(pci_resource_start(dev->pci, 2),
+ pci_resource_len(dev->pci, 2));
+
+ if (!atomic_dec_and_test(&dev->refcount))
+ return;
+
+ iounmap(dev->lmmio);
+ iounmap(dev->lmmio2);
+
+ return;
+}
+
+static int __devinit saa7164_initdev(struct pci_dev *pci_dev,
+ const struct pci_device_id *pci_id)
+{
+ struct saa7164_dev *dev;
+ int err, i;
+ u32 version;
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (NULL == dev)
+ return -ENOMEM;
+
+ /* pci init */
+ dev->pci = pci_dev;
+ if (pci_enable_device(pci_dev)) {
+ err = -EIO;
+ goto fail_free;
+ }
+
+ if (saa7164_dev_setup(dev) < 0) {
+ err = -EINVAL;
+ goto fail_free;
+ }
+
+ /* print pci info */
+ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
+ pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
+ printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
+ "latency: %d, mmio: 0x%llx\n", dev->name,
+ pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
+ dev->pci_lat,
+ (unsigned long long)pci_resource_start(pci_dev, 0));
+
+ pci_set_master(pci_dev);
+ /* TODO */
+ if (!pci_dma_supported(pci_dev, 0xffffffff)) {
+ printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
+ err = -EIO;
+ goto fail_irq;
+ }
+
+ err = request_irq(pci_dev->irq, saa7164_irq,
+ IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+ if (err < 0) {
+ printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name,
+ pci_dev->irq);
+ err = -EIO;
+ goto fail_irq;
+ }
+
+ pci_set_drvdata(pci_dev, dev);
+
+ saa7164_pci_quirks(dev);
+
+ /* Init the internal command list */
+ for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
+ dev->cmds[i].seqno = i;
+ dev->cmds[i].inuse = 0;
+ mutex_init(&dev->cmds[i].lock);
+ init_waitqueue_head(&dev->cmds[i].wait);
+ }
+
+ /* We need a deferred interrupt handler for cmd handling */
+ INIT_WORK(&dev->workcmd, saa7164_work_cmdhandler);
+
+ /* Only load the firmware if we know the board */
+ if (dev->board != SAA7164_BOARD_UNKNOWN) {
+
+ err = saa7164_downloadfirmware(dev);
+ if (err < 0) {
+ printk(KERN_ERR
+ "Failed to boot firmware, cannot continue\n");
+ goto fail_irq;
+ }
+
+ saa7164_get_descriptors(dev);
+ saa7164_dumpregs(dev, 0);
+ saa7164_getcurrentfirmwareversion(dev);
+ saa7164_getfirmwarestatus(dev);
+ err = saa7164_bus_setup(dev);
+ if (err < 0)
+ printk(KERN_ERR
+ "Failed to setup the bus, will continue\n");
+ saa7164_bus_dump(dev);
+
+ /* Ping the running firmware via the command bus and get the
+ * firmware version, this checks the bus is running OK.
+ */
+ version = 0;
+ if (saa7164_api_get_fw_version(dev, &version) == SAA_OK)
+ dprintk(1, "Bus is operating correctly using "
+ "version %d.%d.%d.%d (0x%x)\n",
+ (version & 0x0000fc00) >> 10,
+ (version & 0x000003e0) >> 5,
+ (version & 0x0000001f),
+ (version & 0xffff0000) >> 16,
+ version);
+ else
+ printk(KERN_ERR
+ "Failed to communicate with the firmware\n");
+
+ /* Bring up the I2C buses */
+ saa7164_i2c_register(&dev->i2c_bus[0]);
+ saa7164_i2c_register(&dev->i2c_bus[1]);
+ saa7164_i2c_register(&dev->i2c_bus[2]);
+ saa7164_gpio_setup(dev);
+ saa7164_card_setup(dev);
+
+
+ /* Parse the dynamic device configuration, find various
+ * media endpoints (MPEG, WMV, PS, TS) and cache their
+ * configuration details into the driver, so we can
+ * reference them later during simething_register() func,
+ * interrupt handlers, deferred work handlers etc.
+ */
+ saa7164_api_enum_subdevs(dev);
+
+ /* Try a few API commands - just for exercise purposes */
+ saa7164_api_test(dev);
+
+ /* Begin to create the video sub-systems and register funcs */
+ if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) {
+ if (saa7164_dvb_register(&dev->ts1) < 0) {
+ printk(KERN_ERR "%s() Failed to register "
+ "dvb adapters on porta\n",
+ __func__);
+ }
+ }
+
+ if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) {
+ if (saa7164_dvb_register(&dev->ts2) < 0) {
+ printk(KERN_ERR"%s() Failed to register "
+ "dvb adapters on portb\n",
+ __func__);
+ }
+ }
+
+ } /* != BOARD_UNKNOWN */
+ else
+ printk(KERN_ERR "%s() Unsupported board detected, "
+ "registering without firmware\n", __func__);
+
+ return 0;
+
+fail_irq:
+ saa7164_dev_unregister(dev);
+fail_free:
+ kfree(dev);
+ return err;
+}
+
+static void saa7164_shutdown(struct saa7164_dev *dev)
+{
+ dprintk(1, "%s()\n", __func__);
+}
+
+static void __devexit saa7164_finidev(struct pci_dev *pci_dev)
+{
+ struct saa7164_dev *dev = pci_get_drvdata(pci_dev);
+
+ saa7164_shutdown(dev);
+
+ if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB)
+ saa7164_dvb_unregister(&dev->ts1);
+
+ if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB)
+ saa7164_dvb_unregister(&dev->ts2);
+
+ saa7164_i2c_unregister(&dev->i2c_bus[0]);
+ saa7164_i2c_unregister(&dev->i2c_bus[1]);
+ saa7164_i2c_unregister(&dev->i2c_bus[2]);
+
+ pci_disable_device(pci_dev);
+
+ /* unregister stuff */
+ free_irq(pci_dev->irq, dev);
+ pci_set_drvdata(pci_dev, NULL);
+
+ mutex_lock(&devlist);
+ list_del(&dev->devlist);
+ mutex_unlock(&devlist);
+
+ saa7164_dev_unregister(dev);
+ kfree(dev);
+}
+
+static struct pci_device_id saa7164_pci_tbl[] = {
+ {
+ /* SAA7164 */
+ .vendor = 0x1131,
+ .device = 0x7164,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ }, {
+ /* --- end of list --- */
+ }
+};
+MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl);
+
+static struct pci_driver saa7164_pci_driver = {
+ .name = "saa7164",
+ .id_table = saa7164_pci_tbl,
+ .probe = saa7164_initdev,
+ .remove = __devexit_p(saa7164_finidev),
+ /* TODO */
+ .suspend = NULL,
+ .resume = NULL,
+};
+
+static int saa7164_init(void)
+{
+ printk(KERN_INFO "saa7164 driver loaded\n");
+ return pci_register_driver(&saa7164_pci_driver);
+}
+
+static void saa7164_fini(void)
+{
+ pci_unregister_driver(&saa7164_pci_driver);
+}
+
+module_init(saa7164_init);
+module_exit(saa7164_fini);
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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 "saa7164.h"
+
+#include "tda10048.h"
+#include "tda18271.h"
+#include "s5h1411.h"
+
+#define DRIVER_NAME "saa7164"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+/* addr is in the card struct, get it from there */
+static struct tda10048_config hauppauge_hvr2200_1_config = {
+ .demod_address = 0x10 >> 1,
+ .output_mode = TDA10048_SERIAL_OUTPUT,
+ .fwbulkwritelen = TDA10048_BULKWRITE_200,
+ .inversion = TDA10048_INVERSION_ON
+};
+static struct tda10048_config hauppauge_hvr2200_2_config = {
+ .demod_address = 0x12 >> 1,
+ .output_mode = TDA10048_SERIAL_OUTPUT,
+ .fwbulkwritelen = TDA10048_BULKWRITE_200,
+ .inversion = TDA10048_INVERSION_ON
+};
+
+static struct tda18271_std_map hauppauge_tda18271_std_map = {
+ .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 3,
+ .if_lvl = 6, .rfagc_top = 0x37 },
+ .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0,
+ .if_lvl = 6, .rfagc_top = 0x37 },
+};
+
+static struct tda18271_config hauppauge_hvr22x0_tuner_config = {
+ .std_map = &hauppauge_tda18271_std_map,
+ .gate = TDA18271_GATE_ANALOG,
+};
+
+static struct s5h1411_config hauppauge_s5h1411_config = {
+ .output_mode = S5H1411_SERIAL_OUTPUT,
+ .gpio = S5H1411_GPIO_ON,
+ .qam_if = S5H1411_IF_4000,
+ .vsb_if = S5H1411_IF_3250,
+ .inversion = S5H1411_INVERSION_ON,
+ .status_mode = S5H1411_DEMODLOCKING,
+ .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
+};
+
+static int saa7164_dvb_stop_tsport(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n",
+ __func__, ret);
+ ret = -EIO;
+ } else {
+ dprintk(DBGLVL_DVB, "%s() Stopped\n", __func__);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int saa7164_dvb_acquire_tsport(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);
+ if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n",
+ __func__, ret);
+ ret = -EIO;
+ } else {
+ dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int saa7164_dvb_pause_tsport(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);
+ if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n",
+ __func__, ret);
+ ret = -EIO;
+ } else {
+ dprintk(DBGLVL_DVB, "%s() Paused\n", __func__);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/* Firmware is very windows centric, meaning you have to transition
+ * the part through AVStream / KS Windows stages, forwards or backwards.
+ * States are: stopped, acquired (h/w), paused, started.
+ */
+static int saa7164_dvb_stop_streaming(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ ret = saa7164_dvb_pause_tsport(port);
+ ret = saa7164_dvb_acquire_tsport(port);
+ ret = saa7164_dvb_stop_tsport(port);
+
+ return ret;
+}
+
+static int saa7164_dvb_cfg_tsport(struct saa7164_tsport *port)
+{
+ tmHWStreamParameters_t *params = &port->hw_streamingparams;
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf;
+ struct list_head *c, *n;
+ int i = 0;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ saa7164_writel(port->pitch, params->pitch);
+ saa7164_writel(port->bufsize, params->pitch * params->numberoflines);
+
+ dprintk(DBGLVL_DVB, " configured:\n");
+ dprintk(DBGLVL_DVB, " lmmio 0x%llx\n", (u64)dev->lmmio);
+ dprintk(DBGLVL_DVB, " bufcounter 0x%x = 0x%x\n", port->bufcounter,
+ saa7164_readl(port->bufcounter));
+
+ dprintk(DBGLVL_DVB, " pitch 0x%x = %d\n", port->pitch,
+ saa7164_readl(port->pitch));
+
+ dprintk(DBGLVL_DVB, " bufsize 0x%x = %d\n", port->bufsize,
+ saa7164_readl(port->bufsize));
+
+ dprintk(DBGLVL_DVB, " buffercount = %d\n", port->hwcfg.buffercount);
+ dprintk(DBGLVL_DVB, " bufoffset = 0x%x\n", port->bufoffset);
+ dprintk(DBGLVL_DVB, " bufptr32h = 0x%x\n", port->bufptr32h);
+ dprintk(DBGLVL_DVB, " bufptr32l = 0x%x\n", port->bufptr32l);
+
+ /* Poke the buffers and offsets into PCI space */
+ mutex_lock(&port->dmaqueue_lock);
+ list_for_each_safe(c, n, &port->dmaqueue.list) {
+ buf = list_entry(c, struct saa7164_buffer, list);
+
+ /* TODO: Review this in light of 32v64 assignments */
+ saa7164_writel(port->bufoffset + (sizeof(u32) * i), 0);
+ saa7164_writel(port->bufptr32h + ((sizeof(u32) * 2) * i),
+ buf->pt_dma);
+ saa7164_writel(port->bufptr32l + ((sizeof(u32) * 2) * i), 0);
+
+ dprintk(DBGLVL_DVB,
+ " buf[%d] offset 0x%lx (0x%x) "
+ "buf 0x%lx/%lx (0x%x/%x)\n",
+ i,
+ port->bufoffset + (i * sizeof(u32)),
+ saa7164_readl(port->bufoffset + (sizeof(u32) * i)),
+ port->bufptr32h + ((sizeof(u32) * 2) * i),
+ port->bufptr32l + ((sizeof(u32) * 2) * i),
+ saa7164_readl(port->bufptr32h + ((sizeof(u32) * i)
+ * 2)),
+ saa7164_readl(port->bufptr32l + ((sizeof(u32) * i)
+ * 2)));
+
+ if (i++ > port->hwcfg.buffercount)
+ BUG();
+
+ }
+ mutex_unlock(&port->dmaqueue_lock);
+
+ return 0;
+}
+
+static int saa7164_dvb_start_tsport(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ int ret = 0, result;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ saa7164_dvb_cfg_tsport(port);
+
+ /* Acquire the hardware */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n",
+ __func__, result);
+
+ /* Stop the hardware, regardless */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() acquire/forced stop transition "
+ "failed, res = 0x%x\n", __func__, result);
+ }
+ ret = -EIO;
+ goto out;
+ } else
+ dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__);
+
+ /* Pause the hardware */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n",
+ __func__, result);
+
+ /* Stop the hardware, regardless */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() pause/forced stop transition "
+ "failed, res = 0x%x\n", __func__, result);
+ }
+
+ ret = -EIO;
+ goto out;
+ } else
+ dprintk(DBGLVL_DVB, "%s() Paused\n", __func__);
+
+ /* Start the hardware */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() run transition failed, result = 0x%x\n",
+ __func__, result);
+
+ /* Stop the hardware, regardless */
+ result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);
+ if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) {
+ printk(KERN_ERR "%s() run/forced stop transition "
+ "failed, res = 0x%x\n", __func__, result);
+ }
+
+ ret = -EIO;
+ } else
+ dprintk(DBGLVL_DVB, "%s() Running\n", __func__);
+
+out:
+ return ret;
+}
+
+static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct saa7164_tsport *port = (struct saa7164_tsport *) demux->priv;
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ int ret = 0;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ if (!demux->dmx.frontend)
+ return -EINVAL;
+
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (dvb->feeding++ == 0) {
+ /* Start transport */
+ ret = saa7164_dvb_start_tsport(port);
+ }
+ mutex_unlock(&dvb->lock);
+ dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
+ __func__, port->nr, dvb->feeding);
+ }
+
+ return ret;
+}
+
+static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed)
+{
+ struct dvb_demux *demux = feed->demux;
+ struct saa7164_tsport *port = (struct saa7164_tsport *) demux->priv;
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ int ret = 0;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ if (dvb) {
+ mutex_lock(&dvb->lock);
+ if (--dvb->feeding == 0) {
+ /* Stop transport */
+ ret = saa7164_dvb_stop_streaming(port);
+ }
+ mutex_unlock(&dvb->lock);
+ dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n",
+ __func__, port->nr, dvb->feeding);
+ }
+
+ return ret;
+}
+
+static int dvb_register(struct saa7164_tsport *port)
+{
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *buf;
+ int result, i;
+
+ dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
+
+ /* Sanity check that the PCI configuration space is active */
+ if (port->hwcfg.BARLocation == 0) {
+ result = -ENOMEM;
+ printk(KERN_ERR "%s: dvb_register_adapter failed "
+ "(errno = %d), NO PCI configuration\n",
+ DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+
+ /* Init and establish defaults */
+ port->hw_streamingparams.bitspersample = 8;
+ port->hw_streamingparams.samplesperline = 188;
+ port->hw_streamingparams.numberoflines =
+ (SAA7164_TS_NUMBER_OF_LINES * 188) / 188;
+
+ port->hw_streamingparams.pitch = 188;
+ port->hw_streamingparams.linethreshold = 0;
+ port->hw_streamingparams.pagetablelistvirt = 0;
+ port->hw_streamingparams.pagetablelistphys = 0;
+ port->hw_streamingparams.numpagetables = 2 +
+ ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE);
+
+ port->hw_streamingparams.numpagetableentries = port->hwcfg.buffercount;
+
+ /* Allocate the PCI resources */
+ for (i = 0; i < port->hwcfg.buffercount; i++) {
+ buf = saa7164_buffer_alloc(port,
+ port->hw_streamingparams.numberoflines *
+ port->hw_streamingparams.pitch);
+
+ if (!buf) {
+ result = -ENOMEM;
+ printk(KERN_ERR "%s: dvb_register_adapter failed "
+ "(errno = %d), unable to allocate buffers\n",
+ DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+ buf->nr = i;
+
+ mutex_lock(&port->dmaqueue_lock);
+ list_add_tail(&buf->list, &port->dmaqueue.list);
+ mutex_unlock(&port->dmaqueue_lock);
+ }
+
+ /* register adapter */
+ result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
+ &dev->pci->dev, adapter_nr);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_register_adapter failed "
+ "(errno = %d)\n", DRIVER_NAME, result);
+ goto fail_adapter;
+ }
+ dvb->adapter.priv = port;
+
+ /* register frontend */
+ result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_register_frontend failed "
+ "(errno = %d)\n", DRIVER_NAME, result);
+ goto fail_frontend;
+ }
+
+ /* register demux stuff */
+ dvb->demux.dmx.capabilities =
+ DMX_TS_FILTERING | DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING;
+ dvb->demux.priv = port;
+ dvb->demux.filternum = 256;
+ dvb->demux.feednum = 256;
+ dvb->demux.start_feed = saa7164_dvb_start_feed;
+ dvb->demux.stop_feed = saa7164_dvb_stop_feed;
+ result = dvb_dmx_init(&dvb->demux);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_dmx;
+ }
+
+ dvb->dmxdev.filternum = 256;
+ dvb->dmxdev.demux = &dvb->demux.dmx;
+ dvb->dmxdev.capabilities = 0;
+ result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
+ if (result < 0) {
+ printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_dmxdev;
+ }
+
+ dvb->fe_hw.source = DMX_FRONTEND_0;
+ result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_ERR "%s: add_frontend failed "
+ "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
+ goto fail_fe_hw;
+ }
+
+ dvb->fe_mem.source = DMX_MEMORY_FE;
+ result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+ if (result < 0) {
+ printk(KERN_ERR "%s: add_frontend failed "
+ "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
+ goto fail_fe_mem;
+ }
+
+ result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ if (result < 0) {
+ printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
+ DRIVER_NAME, result);
+ goto fail_fe_conn;
+ }
+
+ /* register network adapter */
+ dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
+ return 0;
+
+fail_fe_conn:
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+fail_fe_mem:
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+fail_fe_hw:
+ dvb_dmxdev_release(&dvb->dmxdev);
+fail_dmxdev:
+ dvb_dmx_release(&dvb->demux);
+fail_dmx:
+ dvb_unregister_frontend(dvb->frontend);
+fail_frontend:
+ dvb_frontend_detach(dvb->frontend);
+ dvb_unregister_adapter(&dvb->adapter);
+fail_adapter:
+ return result;
+}
+
+int saa7164_dvb_unregister(struct saa7164_tsport *port)
+{
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_buffer *b;
+ struct list_head *c, *n;
+
+ dprintk(DBGLVL_DVB, "%s()\n", __func__);
+
+ /* Remove any allocated buffers */
+ mutex_lock(&port->dmaqueue_lock);
+ list_for_each_safe(c, n, &port->dmaqueue.list) {
+ b = list_entry(c, struct saa7164_buffer, list);
+ list_del(c);
+ saa7164_buffer_dealloc(port, b);
+ }
+ mutex_unlock(&port->dmaqueue_lock);
+
+ if (dvb->frontend == NULL)
+ return 0;
+
+ dvb_net_release(&dvb->net);
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
+ dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
+ dvb_dmxdev_release(&dvb->dmxdev);
+ dvb_dmx_release(&dvb->demux);
+ dvb_unregister_frontend(dvb->frontend);
+ dvb_frontend_detach(dvb->frontend);
+ dvb_unregister_adapter(&dvb->adapter);
+ return 0;
+}
+
+/* All the DVB attach calls go here, this function get's modified
+ * for each new card.
+ */
+int saa7164_dvb_register(struct saa7164_tsport *port)
+{
+ struct saa7164_dev *dev = port->dev;
+ struct saa7164_dvb *dvb = &port->dvb;
+ struct saa7164_i2c *i2c_bus = NULL;
+ int ret;
+
+ dprintk(DBGLVL_DVB, "%s()\n", __func__);
+
+ /* init frontend */
+ switch (dev->board) {
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_2:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2200_3:
+ switch (port->nr) {
+ case 0:
+ i2c_bus = &dev->i2c_bus[1];
+
+ port->dvb.frontend = dvb_attach(tda10048_attach,
+ &hauppauge_hvr2200_1_config,
+ &i2c_bus->i2c_adap);
+
+ if (port->dvb.frontend != NULL) {
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0_tuner_config);
+ }
+
+ break;
+ case 1:
+ i2c_bus = &dev->i2c_bus[2];
+
+ port->dvb.frontend = dvb_attach(tda10048_attach,
+ &hauppauge_hvr2200_2_config,
+ &i2c_bus->i2c_adap);
+
+ if (port->dvb.frontend != NULL) {
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0_tuner_config);
+ }
+
+ break;
+ }
+ break;
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250:
+ case SAA7164_BOARD_HAUPPAUGE_HVR2250_2:
+ i2c_bus = &dev->i2c_bus[port->nr + 1];
+
+ port->dvb.frontend = dvb_attach(s5h1411_attach,
+ &hauppauge_s5h1411_config,
+ &i2c_bus->i2c_adap);
+
+ if (port->dvb.frontend != NULL) {
+ /* TODO: addr is in the card struct */
+ dvb_attach(tda18271_attach, port->dvb.frontend,
+ 0xc0 >> 1, &i2c_bus->i2c_adap,
+ &hauppauge_hvr22x0_tuner_config);
+ }
+
+ break;
+ default:
+ printk(KERN_ERR "%s: The frontend isn't supported\n",
+ dev->name);
+ break;
+ }
+ if (NULL == dvb->frontend) {
+ printk(KERN_ERR "%s() Frontend initialization failed\n",
+ __func__);
+ return -1;
+ }
+
+ /* Put the analog decoder in standby to keep it quiet */
+
+ /* register everything */
+ ret = dvb_register(port);
+ if (ret < 0) {
+ if (dvb->frontend->ops.release)
+ dvb->frontend->ops.release(dvb->frontend);
+ return ret;
+ }
+
+ return 0;
+}
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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/firmware.h>
+
+#include "saa7164.h"
+
+#define SAA7164_REV2_FIRMWARE "v4l-saa7164-1.0.2.fw"
+#define SAA7164_REV2_FIRMWARE_SIZE 3978608
+
+#define SAA7164_REV3_FIRMWARE "v4l-saa7164-1.0.3.fw"
+#define SAA7164_REV3_FIRMWARE_SIZE 3978608
+
+struct fw_header {
+ u32 firmwaresize;
+ u32 bslsize;
+ u32 reserved;
+ u32 version;
+};
+
+int saa7164_dl_wait_ack(struct saa7164_dev *dev, u32 reg)
+{
+ u32 timeout = SAA_DEVICE_TIMEOUT;
+ while ((saa7164_readl(reg) & 0x01) == 0) {
+ timeout -= 5;
+ if (timeout == 0) {
+ printk(KERN_ERR "%s() timeout (no d/l ack)\n",
+ __func__);
+ return -EBUSY;
+ }
+ /* TODO: Review this for efficiency, f/w load is slow */
+ msleep(1);
+ }
+
+ return 0;
+}
+
+int saa7164_dl_wait_clr(struct saa7164_dev *dev, u32 reg)
+{
+ u32 timeout = SAA_DEVICE_TIMEOUT;
+ while (saa7164_readl(reg) & 0x01) {
+ timeout -= 5;
+ if (timeout == 0) {
+ printk(KERN_ERR "%s() timeout (no d/l clr)\n",
+ __func__);
+ return -EBUSY;
+ }
+ /* TODO: Review this for efficiency, f/w load is slow */
+ msleep(1);
+ }
+
+ return 0;
+}
+
+/* TODO: move dlflags into dev-> and change to write/readl/b */
+/* TODO: Excessive levels of debug */
+int saa7164_downloadimage(struct saa7164_dev *dev, u8 *src, u32 srcsize,
+ u32 dlflags, u8 *dst, u32 dstsize)
+{
+ u32 reg, timeout, offset;
+ u8 *srcbuf = NULL;
+ int ret;
+
+ u32 dlflag = dlflags;
+ u32 dlflag_ack = dlflag + 4;
+ u32 drflag = dlflag_ack + 4;
+ u32 drflag_ack = drflag + 4;
+ u32 bleflag = drflag_ack + 4;
+
+ dprintk(DBGLVL_FW,
+ "%s(image=%p, size=%d, flags=0x%x, dst=%p, dstsize=0x%x)\n",
+ __func__, src, srcsize, dlflags, dst, dstsize);
+
+ if ((src == 0) || (dst == 0)) {
+ ret = -EIO;
+ goto out;
+ }
+
+ srcbuf = kzalloc(4 * 1048576, GFP_KERNEL);
+ if (NULL == srcbuf) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (srcsize > (4*1048576)) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ memcpy(srcbuf, src, srcsize);
+
+ dprintk(DBGLVL_FW, "%s() dlflag = 0x%x\n", __func__, dlflag);
+ dprintk(DBGLVL_FW, "%s() dlflag_ack = 0x%x\n", __func__, dlflag_ack);
+ dprintk(DBGLVL_FW, "%s() drflag = 0x%x\n", __func__, drflag);
+ dprintk(DBGLVL_FW, "%s() drflag_ack = 0x%x\n", __func__, drflag_ack);
+ dprintk(DBGLVL_FW, "%s() bleflag = 0x%x\n", __func__, bleflag);
+
+ reg = saa7164_readl(dlflag);
+ dprintk(DBGLVL_FW, "%s() dlflag (0x%x)= 0x%x\n", __func__, dlflag, reg);
+ if (reg == 1)
+ dprintk(DBGLVL_FW,
+ "%s() Download flag already set, please reboot\n",
+ __func__);
+
+ /* Indicate download start */
+ saa7164_writel(dlflag, 1);
+ ret = saa7164_dl_wait_ack(dev, dlflag_ack);
+ if (ret < 0)
+ goto out;
+
+ /* Ack download start, then wait for wait */
+ saa7164_writel(dlflag, 0);
+ ret = saa7164_dl_wait_clr(dev, dlflag_ack);
+ if (ret < 0)
+ goto out;
+
+ /* Deal with the raw firmware, in the appropriate chunk size */
+ for (offset = 0; srcsize > dstsize;
+ srcsize -= dstsize, offset += dstsize) {
+
+ dprintk(DBGLVL_FW, "%s() memcpy %d\n", __func__, dstsize);
+ memcpy(dst, srcbuf + offset, dstsize);
+
+ /* Flag the data as ready */
+ saa7164_writel(drflag, 1);
+ ret = saa7164_dl_wait_ack(dev, drflag_ack);
+ if (ret < 0)
+ goto out;
+
+ /* Wait for indication data was received */
+ saa7164_writel(drflag, 0);
+ ret = saa7164_dl_wait_clr(dev, drflag_ack);
+ if (ret < 0)
+ goto out;
+
+ }
+
+ dprintk(DBGLVL_FW, "%s() memcpy(l) %d\n", __func__, dstsize);
+ /* Write last block to the device */
+ memcpy(dst, srcbuf+offset, srcsize);
+
+ /* Flag the data as ready */
+ saa7164_writel(drflag, 1);
+ ret = saa7164_dl_wait_ack(dev, drflag_ack);
+ if (ret < 0)
+ goto out;
+
+ saa7164_writel(drflag, 0);
+ timeout = 0;
+ while (saa7164_readl(bleflag) != SAA_DEVICE_IMAGE_BOOTING) {
+ if (saa7164_readl(bleflag) & SAA_DEVICE_IMAGE_CORRUPT) {
+ printk(KERN_ERR "%s() image corrupt\n", __func__);
+ ret = -EBUSY;
+ goto out;
+ }
+
+ if (saa7164_readl(bleflag) & SAA_DEVICE_MEMORY_CORRUPT) {
+ printk(KERN_ERR "%s() device memory corrupt\n",
+ __func__);
+ ret = -EBUSY;
+ goto out;
+ }
+
+ msleep(10);
+ if (timeout++ > 60)
+ break;
+ }
+
+ printk(KERN_INFO "%s() Image downloaded, booting...\n", __func__);
+
+ ret = saa7164_dl_wait_clr(dev, drflag_ack);
+ if (ret < 0)
+ goto out;
+
+ printk(KERN_INFO "%s() Image booted successfully.\n", __func__);
+ ret = 0;
+
+out:
+ kfree(srcbuf);
+ return ret;
+}
+
+/* TODO: Excessive debug */
+/* Load the firmware. Optionally it can be in ROM or newer versions
+ * can be on disk, saving the expense of the ROM hardware. */
+int saa7164_downloadfirmware(struct saa7164_dev *dev)
+{
+ /* u32 second_timeout = 60 * SAA_DEVICE_TIMEOUT; */
+ u32 tmp, filesize, version, err_flags, first_timeout, fwlength;
+ u32 second_timeout, updatebootloader = 1, bootloadersize = 0;
+ const struct firmware *fw = NULL;
+ struct fw_header *hdr, *boothdr = NULL, *fwhdr;
+ u32 bootloaderversion = 0, fwloadersize;
+ u8 *bootloaderoffset = NULL, *fwloaderoffset;
+ char *fwname;
+ int ret;
+
+ dprintk(DBGLVL_FW, "%s()\n", __func__);
+
+ if (saa7164_boards[dev->board].chiprev == SAA7164_CHIP_REV2) {
+ fwname = SAA7164_REV2_FIRMWARE;
+ fwlength = SAA7164_REV2_FIRMWARE_SIZE;
+ } else {
+ fwname = SAA7164_REV3_FIRMWARE;
+ fwlength = SAA7164_REV3_FIRMWARE_SIZE;
+ }
+
+ version = saa7164_getcurrentfirmwareversion(dev);
+
+ if (version == 0x00) {
+
+ second_timeout = 100;
+ first_timeout = 100;
+ err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS);
+ dprintk(DBGLVL_FW, "%s() err_flags = %x\n",
+ __func__, err_flags);
+
+ while (err_flags != SAA_DEVICE_IMAGE_BOOTING) {
+ dprintk(DBGLVL_FW, "%s() err_flags = %x\n",
+ __func__, err_flags);
+ msleep(10);
+
+ if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) {
+ printk(KERN_ERR "%s() firmware corrupt\n",
+ __func__);
+ break;
+ }
+ if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) {
+ printk(KERN_ERR "%s() device memory corrupt\n",
+ __func__);
+ break;
+ }
+ if (err_flags & SAA_DEVICE_NO_IMAGE) {
+ printk(KERN_ERR "%s() no first image\n",
+ __func__);
+ break;
+ }
+ if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) {
+ first_timeout -= 10;
+ if (first_timeout == 0) {
+ printk(KERN_ERR
+ "%s() no first image\n",
+ __func__);
+ break;
+ }
+ } else if (err_flags & SAA_DEVICE_IMAGE_LOADING) {
+ second_timeout -= 10;
+ if (second_timeout == 0) {
+ printk(KERN_ERR
+ "%s() FW load time exceeded\n",
+ __func__);
+ break;
+ }
+ } else {
+ second_timeout -= 10;
+ if (second_timeout == 0) {
+ printk(KERN_ERR
+ "%s() Unknown bootloader flags 0x%x\n",
+ __func__, err_flags);
+ break;
+ }
+ }
+
+ err_flags = saa7164_readl(SAA_BOOTLOADERERROR_FLAGS);
+ } /* While != Booting */
+
+ if (err_flags == SAA_DEVICE_IMAGE_BOOTING) {
+ dprintk(DBGLVL_FW, "%s() Loader 1 has loaded.\n",
+ __func__);
+ first_timeout = SAA_DEVICE_TIMEOUT;
+ second_timeout = 60 * SAA_DEVICE_TIMEOUT;
+ second_timeout = 100;
+
+ err_flags = saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS);
+ dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n",
+ __func__, err_flags);
+ while (err_flags != SAA_DEVICE_IMAGE_BOOTING) {
+ dprintk(DBGLVL_FW, "%s() err_flags2 = %x\n",
+ __func__, err_flags);
+ msleep(10);
+
+ if (err_flags & SAA_DEVICE_IMAGE_CORRUPT) {
+ printk(KERN_ERR
+ "%s() firmware corrupt\n",
+ __func__);
+ break;
+ }
+ if (err_flags & SAA_DEVICE_MEMORY_CORRUPT) {
+ printk(KERN_ERR
+ "%s() device memory corrupt\n",
+ __func__);
+ break;
+ }
+ if (err_flags & SAA_DEVICE_NO_IMAGE) {
+ printk(KERN_ERR "%s() no first image\n",
+ __func__);
+ break;
+ }
+ if (err_flags & SAA_DEVICE_IMAGE_SEARCHING) {
+ first_timeout -= 10;
+ if (first_timeout == 0) {
+ printk(KERN_ERR
+ "%s() no second image\n",
+ __func__);
+ break;
+ }
+ } else if (err_flags &
+ SAA_DEVICE_IMAGE_LOADING) {
+ second_timeout -= 10;
+ if (second_timeout == 0) {
+ printk(KERN_ERR
+ "%s() FW load time exceeded\n",
+ __func__);
+ break;
+ }
+ } else {
+ second_timeout -= 10;
+ if (second_timeout == 0) {
+ printk(KERN_ERR
+ "%s() Unknown bootloader flags 0x%x\n",
+ __func__, err_flags);
+ break;
+ }
+ }
+
+ err_flags =
+ saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS);
+ } /* err_flags != SAA_DEVICE_IMAGE_BOOTING */
+
+ dprintk(DBGLVL_FW, "%s() Loader flags 1:0x%x 2:0x%x.\n",
+ __func__,
+ saa7164_readl(SAA_BOOTLOADERERROR_FLAGS),
+ saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS));
+
+ } /* err_flags == SAA_DEVICE_IMAGE_BOOTING */
+
+ /* It's possible for both firmwares to have booted,
+ * but that doesn't mean they've finished booting yet.
+ */
+ if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
+ SAA_DEVICE_IMAGE_BOOTING) &&
+ (saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) ==
+ SAA_DEVICE_IMAGE_BOOTING)) {
+
+
+ dprintk(DBGLVL_FW, "%s() Loader 2 has loaded.\n",
+ __func__);
+
+ first_timeout = SAA_DEVICE_TIMEOUT;
+ while (first_timeout) {
+ msleep(10);
+
+ version =
+ saa7164_getcurrentfirmwareversion(dev);
+ if (version) {
+ dprintk(DBGLVL_FW,
+ "%s() All f/w loaded successfully\n",
+ __func__);
+ break;
+ } else {
+ first_timeout -= 10;
+ if (first_timeout == 0) {
+ printk(KERN_ERR
+ "%s() FW did not boot\n",
+ __func__);
+ break;
+ }
+ }
+ }
+ }
+ version = saa7164_getcurrentfirmwareversion(dev);
+ } /* version == 0 */
+
+ /* Has the firmware really booted? */
+ if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
+ SAA_DEVICE_IMAGE_BOOTING) &&
+ (saa7164_readl(SAA_SECONDSTAGEERROR_FLAGS) ==
+ SAA_DEVICE_IMAGE_BOOTING) && (version == 0)) {
+
+ printk(KERN_ERR
+ "%s() The firmware hung, probably bad firmware\n",
+ __func__);
+
+ /* Tell the second stage loader we have a deadlock */
+ saa7164_writel(SAA_DEVICE_DEADLOCK_DETECTED_OFFSET,
+ SAA_DEVICE_DEADLOCK_DETECTED);
+
+ saa7164_getfirmwarestatus(dev);
+
+ return -ENOMEM;
+ }
+
+ dprintk(DBGLVL_FW, "Device has Firmware Version %d.%d.%d.%d\n",
+ (version & 0x0000fc00) >> 10,
+ (version & 0x000003e0) >> 5,
+ (version & 0x0000001f),
+ (version & 0xffff0000) >> 16);
+
+ /* Load the firmwware from the disk if required */
+ if (version == 0) {
+
+ printk(KERN_INFO "%s() Waiting for firmware upload (%s)\n",
+ __func__, fwname);
+
+ ret = request_firmware(&fw, fwname, &dev->pci->dev);
+ if (ret) {
+ printk(KERN_ERR "%s() Upload failed. "
+ "(file not found?)\n", __func__);
+ return -ENOMEM;
+ }
+
+ printk(KERN_INFO "%s() firmware read %Zu bytes.\n",
+ __func__, fw->size);
+
+ if (fw->size != fwlength) {
+ printk(KERN_ERR "xc5000: firmware incorrect size\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ printk(KERN_INFO "%s() firmware loaded.\n", __func__);
+
+ hdr = (struct fw_header *)fw->data;
+ printk(KERN_INFO "Firmware file header part 1:\n");
+ printk(KERN_INFO " .FirmwareSize = 0x%x\n", hdr->firmwaresize);
+ printk(KERN_INFO " .BSLSize = 0x%x\n", hdr->bslsize);
+ printk(KERN_INFO " .Reserved = 0x%x\n", hdr->reserved);
+ printk(KERN_INFO " .Version = 0x%x\n", hdr->version);
+
+ /* Retreive bootloader if reqd */
+ if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0))
+ /* Second bootloader in the firmware file */
+ filesize = hdr->reserved * 16;
+ else
+ filesize = (hdr->firmwaresize + hdr->bslsize) *
+ 16 + sizeof(struct fw_header);
+
+ printk(KERN_INFO "%s() SecBootLoader.FileSize = %d\n",
+ __func__, filesize);
+
+ /* Get bootloader (if reqd) and firmware header */
+ if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) {
+ /* Second boot loader is required */
+
+ /* Get the loader header */
+ boothdr = (struct fw_header *)(fw->data +
+ sizeof(struct fw_header));
+
+ bootloaderversion =
+ saa7164_readl(SAA_DEVICE_2ND_VERSION);
+ dprintk(DBGLVL_FW, "Onboard BootLoader:\n");
+ dprintk(DBGLVL_FW, "->Flag 0x%x\n",
+ saa7164_readl(SAA_BOOTLOADERERROR_FLAGS));
+ dprintk(DBGLVL_FW, "->Ack 0x%x\n",
+ saa7164_readl(SAA_DATAREADY_FLAG_ACK));
+ dprintk(DBGLVL_FW, "->FW Version 0x%x\n", version);
+ dprintk(DBGLVL_FW, "->Loader Version 0x%x\n",
+ bootloaderversion);
+
+ if ((saa7164_readl(SAA_BOOTLOADERERROR_FLAGS) ==
+ 0x03) && (saa7164_readl(SAA_DATAREADY_FLAG_ACK)
+ == 0x00) && (version == 0x00)) {
+
+ dprintk(DBGLVL_FW, "BootLoader version in "
+ "rom %d.%d.%d.%d\n",
+ (bootloaderversion & 0x0000fc00) >> 10,
+ (bootloaderversion & 0x000003e0) >> 5,
+ (bootloaderversion & 0x0000001f),
+ (bootloaderversion & 0xffff0000) >> 16
+ );
+ dprintk(DBGLVL_FW, "BootLoader version "
+ "in file %d.%d.%d.%d\n",
+ (boothdr->version & 0x0000fc00) >> 10,
+ (boothdr->version & 0x000003e0) >> 5,
+ (boothdr->version & 0x0000001f),
+ (boothdr->version & 0xffff0000) >> 16
+ );
+
+ if (bootloaderversion == boothdr->version)
+ updatebootloader = 0;
+ }
+
+ /* Calculate offset to firmware header */
+ tmp = (boothdr->firmwaresize + boothdr->bslsize) * 16 +
+ (sizeof(struct fw_header) +
+ sizeof(struct fw_header));
+
+ fwhdr = (struct fw_header *)(fw->data+tmp);
+ } else {
+ /* No second boot loader */
+ fwhdr = hdr;
+ }
+
+ dprintk(DBGLVL_FW, "Firmware version in file %d.%d.%d.%d\n",
+ (fwhdr->version & 0x0000fc00) >> 10,
+ (fwhdr->version & 0x000003e0) >> 5,
+ (fwhdr->version & 0x0000001f),
+ (fwhdr->version & 0xffff0000) >> 16
+ );
+
+ if (version == fwhdr->version) {
+ /* No download, firmware already on board */
+ ret = 0;
+ goto out;
+ }
+
+ if ((hdr->firmwaresize == 0) && (hdr->bslsize == 0)) {
+ if (updatebootloader) {
+ /* Get ready to upload the bootloader */
+ bootloadersize = (boothdr->firmwaresize +
+ boothdr->bslsize) * 16 +
+ sizeof(struct fw_header);
+
+ bootloaderoffset = (u8 *)(fw->data +
+ sizeof(struct fw_header));
+
+ dprintk(DBGLVL_FW, "bootloader d/l starts.\n");
+ printk(KERN_INFO "%s() FirmwareSize = 0x%x\n",
+ __func__, boothdr->firmwaresize);
+ printk(KERN_INFO "%s() BSLSize = 0x%x\n",
+ __func__, boothdr->bslsize);
+ printk(KERN_INFO "%s() Reserved = 0x%x\n",
+ __func__, boothdr->reserved);
+ printk(KERN_INFO "%s() Version = 0x%x\n",
+ __func__, boothdr->version);
+ ret = saa7164_downloadimage(
+ dev,
+ bootloaderoffset,
+ bootloadersize,
+ SAA_DOWNLOAD_FLAGS,
+ dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET,
+ SAA_DEVICE_BUFFERBLOCKSIZE);
+ if (ret < 0) {
+ printk(KERN_ERR
+ "bootloader d/l has failed\n");
+ goto out;
+ }
+ dprintk(DBGLVL_FW,
+ "bootloader download complete.\n");
+
+ }
+
+ printk(KERN_ERR "starting firmware download(2)\n");
+ bootloadersize = (boothdr->firmwaresize +
+ boothdr->bslsize) * 16 +
+ sizeof(struct fw_header);
+
+ bootloaderoffset =
+ (u8 *)(fw->data + sizeof(struct fw_header));
+
+ fwloaderoffset = bootloaderoffset + bootloadersize;
+
+ /* TODO: fix this bounds overrun here with old f/ws */
+ fwloadersize = (fwhdr->firmwaresize + fwhdr->bslsize) *
+ 16 + sizeof(struct fw_header);
+
+ ret = saa7164_downloadimage(
+ dev,
+ fwloaderoffset,
+ fwloadersize,
+ SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET,
+ dev->bmmio + SAA_DEVICE_2ND_DOWNLOAD_OFFSET,
+ SAA_DEVICE_2ND_BUFFERBLOCKSIZE);
+ if (ret < 0) {
+ printk(KERN_ERR "firmware download failed\n");
+ goto out;
+ }
+ printk(KERN_ERR "firmware download complete.\n");
+
+ } else {
+
+ /* No bootloader update reqd, download firmware only */
+ printk(KERN_ERR "starting firmware download(3)\n");
+
+ ret = saa7164_downloadimage(
+ dev,
+ (u8 *)fw->data,
+ fw->size,
+ SAA_DOWNLOAD_FLAGS,
+ dev->bmmio + SAA_DEVICE_DOWNLOAD_OFFSET,
+ SAA_DEVICE_BUFFERBLOCKSIZE);
+ if (ret < 0) {
+ printk(KERN_ERR "firmware download failed\n");
+ goto out;
+ }
+ printk(KERN_ERR "firmware download complete.\n");
+ }
+ }
+
+ ret = 0;
+
+out:
+ if (fw)
+ release_firmware(fw);
+
+ return ret;
+}
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+
+#include "saa7164.h"
+
+static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
+{
+ struct saa7164_i2c *bus = i2c_adap->algo_data;
+ struct saa7164_dev *dev = bus->dev;
+ int i, retval = 0;
+
+ dprintk(DBGLVL_I2C, "%s(num = %d)\n", __func__, num);
+
+ for (i = 0 ; i < num; i++) {
+ dprintk(DBGLVL_I2C, "%s(num = %d) addr = 0x%02x len = 0x%x\n",
+ __func__, num, msgs[i].addr, msgs[i].len);
+ if (msgs[i].flags & I2C_M_RD) {
+ /* Unsupported - Yet*/
+ printk(KERN_ERR "%s() Unsupported - Yet\n", __func__);
+ continue;
+ } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
+ msgs[i].addr == msgs[i + 1].addr) {
+ /* write then read from same address */
+
+ retval = saa7164_api_i2c_read(bus, msgs[i].addr,
+ msgs[i].len, msgs[i].buf,
+ msgs[i+1].len, msgs[i+1].buf
+ );
+
+ i++;
+
+ if (retval < 0)
+ goto err;
+ } else {
+ /* write */
+ retval = saa7164_api_i2c_write(bus, msgs[i].addr,
+ msgs[i].len, msgs[i].buf);
+ }
+ if (retval < 0)
+ goto err;
+ }
+ return num;
+
+ err:
+ return retval;
+}
+
+static int attach_inform(struct i2c_client *client)
+{
+ struct saa7164_i2c *bus = i2c_get_adapdata(client->adapter);
+ struct saa7164_dev *dev = bus->dev;
+
+ dprintk(DBGLVL_I2C, "%s i2c attach [addr=0x%x,client=%s]\n",
+ client->driver->driver.name, client->addr, client->name);
+
+ if (!client->driver->command)
+ return 0;
+
+ return 0;
+}
+
+static int detach_inform(struct i2c_client *client)
+{
+ struct saa7164_dev *dev = i2c_get_adapdata(client->adapter);
+
+ dprintk(DBGLVL_I2C, "i2c detach [client=%s]\n", client->name);
+
+ return 0;
+}
+
+void saa7164_call_i2c_clients(struct saa7164_i2c *bus, unsigned int cmd,
+ void *arg)
+{
+ if (bus->i2c_rc != 0)
+ return;
+
+ i2c_clients_command(&bus->i2c_adap, cmd, arg);
+}
+
+static u32 saa7164_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm saa7164_i2c_algo_template = {
+ .master_xfer = i2c_xfer,
+ .functionality = saa7164_functionality,
+};
+
+/* ----------------------------------------------------------------------- */
+
+static struct i2c_adapter saa7164_i2c_adap_template = {
+ .name = "saa7164",
+ .owner = THIS_MODULE,
+ .id = I2C_HW_B_SAA7164,
+ .algo = &saa7164_i2c_algo_template,
+ .client_register = attach_inform,
+ .client_unregister = detach_inform,
+};
+
+static struct i2c_client saa7164_i2c_client_template = {
+ .name = "saa7164 internal",
+};
+
+int saa7164_i2c_register(struct saa7164_i2c *bus)
+{
+ struct saa7164_dev *dev = bus->dev;
+
+ dprintk(DBGLVL_I2C, "%s(bus = %d)\n", __func__, bus->nr);
+
+ memcpy(&bus->i2c_adap, &saa7164_i2c_adap_template,
+ sizeof(bus->i2c_adap));
+
+ memcpy(&bus->i2c_algo, &saa7164_i2c_algo_template,
+ sizeof(bus->i2c_algo));
+
+ memcpy(&bus->i2c_client, &saa7164_i2c_client_template,
+ sizeof(bus->i2c_client));
+
+ bus->i2c_adap.dev.parent = &dev->pci->dev;
+
+ strlcpy(bus->i2c_adap.name, bus->dev->name,
+ sizeof(bus->i2c_adap.name));
+
+ bus->i2c_algo.data = bus;
+ bus->i2c_adap.algo_data = bus;
+ i2c_set_adapdata(&bus->i2c_adap, bus);
+ i2c_add_adapter(&bus->i2c_adap);
+
+ bus->i2c_client.adapter = &bus->i2c_adap;
+
+ if (0 == bus->i2c_rc) {
+ printk(KERN_ERR "%s: i2c bus %d registered\n",
+ dev->name, bus->nr);
+ } else
+ printk(KERN_ERR "%s: i2c bus %d register FAILED\n",
+ dev->name, bus->nr);
+
+ return bus->i2c_rc;
+}
+
+int saa7164_i2c_unregister(struct saa7164_i2c *bus)
+{
+ i2c_del_adapter(&bus->i2c_adap);
+ return 0;
+}
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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.
+ */
+
+/* TODO: Retest the driver with errors expressed as negatives */
+
+/* Result codes */
+#define SAA_OK 0
+#define SAA_ERR_BAD_PARAMETER 0x09
+#define SAA_ERR_NO_RESOURCES 0x0c
+#define SAA_ERR_NOT_SUPPORTED 0x13
+#define SAA_ERR_BUSY 0x15
+#define SAA_ERR_READ 0x17
+#define SAA_ERR_TIMEOUT 0x1f
+#define SAA_ERR_OVERFLOW 0x20
+#define SAA_ERR_EMPTY 0x22
+#define SAA_ERR_NOT_STARTED 0x23
+#define SAA_ERR_ALREADY_STARTED 0x24
+#define SAA_ERR_NOT_STOPPED 0x25
+#define SAA_ERR_ALREADY_STOPPED 0x26
+#define SAA_ERR_INVALID_COMMAND 0x3e
+#define SAA_ERR_NULL_PACKET 0x59
+
+/* Errors and flags from the silicon */
+#define PVC_ERRORCODE_UNKNOWN 0x00
+#define PVC_ERRORCODE_INVALID_COMMAND 0x01
+#define PVC_ERRORCODE_INVALID_CONTROL 0x02
+#define PVC_ERRORCODE_INVALID_DATA 0x03
+#define PVC_ERRORCODE_TIMEOUT 0x04
+#define PVC_ERRORCODE_NAK 0x05
+#define PVC_RESPONSEFLAG_ERROR 0x01
+#define PVC_RESPONSEFLAG_OVERFLOW 0x02
+#define PVC_RESPONSEFLAG_RESET 0x04
+#define PVC_RESPONSEFLAG_INTERFACE 0x08
+#define PVC_RESPONSEFLAG_CONTINUED 0x10
+#define PVC_CMDFLAG_INTERRUPT 0x02
+#define PVC_CMDFLAG_INTERFACE 0x04
+#define PVC_CMDFLAG_SERIALIZE 0x08
+#define PVC_CMDFLAG_CONTINUE 0x10
+
+/* Silicon Commands */
+#define GET_DESCRIPTORS_CONTROL 0x01
+#define GET_STRING_CONTROL 0x03
+#define GET_LANGUAGE_CONTROL 0x05
+#define SET_POWER_CONTROL 0x07
+#define GET_FW_VERSION_CONTROL 0x09
+#define SET_DEBUG_LEVEL_CONTROL 0x0B
+#define GET_DEBUG_DATA_CONTROL 0x0C
+#define GET_PRODUCTION_INFO_CONTROL 0x0D
+
+/* cmd defines */
+#define SAA_CMDFLAG_CONTINUE 0x10
+#define SAA_CMD_MAX_MSG_UNITS 256
+
+/* Some defines */
+#define SAA_BUS_TIMEOUT 50
+#define SAA_DEVICE_TIMEOUT 5000
+#define SAA_DEVICE_MAXREQUESTSIZE 256
+
+/* Register addresses */
+#define SAA_DEVICE_VERSION 0x30
+#define SAA_DOWNLOAD_FLAGS 0x34
+#define SAA_DOWNLOAD_FLAG 0x34
+#define SAA_DOWNLOAD_FLAG_ACK 0x38
+#define SAA_DATAREADY_FLAG 0x3C
+#define SAA_DATAREADY_FLAG_ACK 0x40
+
+/* Boot loader register and bit definitions */
+#define SAA_BOOTLOADERERROR_FLAGS 0x44
+#define SAA_DEVICE_IMAGE_SEARCHING 0x01
+#define SAA_DEVICE_IMAGE_LOADING 0x02
+#define SAA_DEVICE_IMAGE_BOOTING 0x03
+#define SAA_DEVICE_IMAGE_CORRUPT 0x04
+#define SAA_DEVICE_MEMORY_CORRUPT 0x08
+#define SAA_DEVICE_NO_IMAGE 0x10
+
+/* Register addresses */
+#define SAA_DEVICE_2ND_VERSION 0x50
+#define SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET 0x54
+
+/* Register addresses */
+#define SAA_SECONDSTAGEERROR_FLAGS 0x64
+
+/* Bootloader regs and flags */
+#define SAA_DEVICE_DEADLOCK_DETECTED_OFFSET 0x6C
+#define SAA_DEVICE_DEADLOCK_DETECTED 0xDEADDEAD
+
+/* Basic firmware status registers */
+#define SAA_DEVICE_SYSINIT_STATUS_OFFSET 0x70
+#define SAA_DEVICE_SYSINIT_STATUS 0x70
+#define SAA_DEVICE_SYSINIT_MODE 0x74
+#define SAA_DEVICE_SYSINIT_SPEC 0x78
+#define SAA_DEVICE_SYSINIT_INST 0x7C
+#define SAA_DEVICE_SYSINIT_CPULOAD 0x80
+#define SAA_DEVICE_SYSINIT_REMAINHEAP 0x84
+
+#define SAA_DEVICE_DOWNLOAD_OFFSET 0x1000
+#define SAA_DEVICE_BUFFERBLOCKSIZE 0x1000
+
+#define SAA_DEVICE_2ND_BUFFERBLOCKSIZE 0x100000
+#define SAA_DEVICE_2ND_DOWNLOAD_OFFSET 0x200000
+
+/* Descriptors */
+#define CS_INTERFACE 0x24
+
+/* Descriptor subtypes */
+#define VC_INPUT_TERMINAL 0x02
+#define VC_OUTPUT_TERMINAL 0x03
+#define VC_SELECTOR_UNIT 0x04
+#define VC_PROCESSING_UNIT 0x05
+#define FEATURE_UNIT 0x06
+#define TUNER_UNIT 0x09
+#define ENCODER_UNIT 0x0A
+#define EXTENSION_UNIT 0x0B
+#define VC_TUNER_PATH 0xF0
+#define PVC_HARDWARE_DESCRIPTOR 0xF1
+#define PVC_INTERFACE_DESCRIPTOR 0xF2
+#define PVC_INFRARED_UNIT 0xF3
+#define DRM_UNIT 0xF4
+#define GENERAL_REQUEST 0xF5
+
+/* Format Types */
+#define VS_FORMAT_TYPE 0x02
+#define VS_FORMAT_TYPE_I 0x01
+#define VS_FORMAT_UNCOMPRESSED 0x04
+#define VS_FRAME_UNCOMPRESSED 0x05
+#define VS_FORMAT_MPEG2PS 0x09
+#define VS_FORMAT_MPEG2TS 0x0A
+#define VS_FORMAT_MPEG4SL 0x0B
+#define VS_FORMAT_WM9 0x0C
+#define VS_FORMAT_DIVX 0x0D
+#define VS_FORMAT_VBI 0x0E
+#define VS_FORMAT_RDS 0x0F
+
+/* Device extension commands */
+#define EXU_REGISTER_ACCESS_CONTROL 0x00
+#define EXU_GPIO_CONTROL 0x01
+#define EXU_GPIO_GROUP_CONTROL 0x02
+#define EXU_INTERRUPT_CONTROL 0x03
+
+/* State Transition and args */
+#define SAA_STATE_CONTROL 0x03
+#define SAA_DMASTATE_STOP 0x00
+#define SAA_DMASTATE_ACQUIRE 0x01
+#define SAA_DMASTATE_PAUSE 0x02
+#define SAA_DMASTATE_RUN 0x03
+
+/* Hardware registers */
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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.
+ */
+
+/* TODO: Cleanup and shorten the namespace */
+
+/* Some structues are passed directly to/from the firmware and
+ * have strict alignment requirements. This is one of them.
+ */
+typedef struct {
+ u8 bLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype;
+ u16 bcdSpecVersion;
+ u32 dwClockFrequency;
+ u32 dwClockUpdateRes;
+ u8 bCapabilities;
+ u32 dwDeviceRegistersLocation;
+ u32 dwHostMemoryRegion;
+ u32 dwHostMemoryRegionSize;
+ u32 dwHostHibernatMemRegion;
+ u32 dwHostHibernatMemRegionSize;
+} __attribute__((packed)) tmComResHWDescr_t;
+
+/* This is DWORD aligned on windows but I can't find the right
+ * gcc syntax to match the binary data from the device.
+ * I've manually padded with Reserved[3] bytes to match the hardware,
+ * but this could break if GCC decies to pack in a different way.
+ */
+typedef struct {
+ u8 bLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype;
+ u8 bFlags;
+ u8 bInterfaceType;
+ u8 bInterfaceId;
+ u8 bBaseInterface;
+ u8 bInterruptId;
+ u8 bDebugInterruptId;
+ u8 BARLocation;
+ u8 Reserved[3];
+} tmComResInterfaceDescr_t;
+
+typedef struct {
+ u64 CommandRing;
+ u64 ResponseRing;
+ u32 CommandWrite;
+ u32 CommandRead;
+ u32 ResponseWrite;
+ u32 ResponseRead;
+} tmComResBusDescr_t;
+
+typedef enum {
+ NONE = 0,
+ TYPE_BUS_PCI = 1,
+ TYPE_BUS_PCIe = 2,
+ TYPE_BUS_USB = 3,
+ TYPE_BUS_I2C = 4
+} tmBusType_t;
+
+typedef struct {
+ tmBusType_t Type;
+ u16 m_wMaxReqSize;
+ u8 *m_pdwSetRing;
+ u32 m_dwSizeSetRing;
+ u8 *m_pdwGetRing;
+ u32 m_dwSizeGetRing;
+ u32 *m_pdwSetWritePos;
+ u32 *m_pdwSetReadPos;
+ u32 *m_pdwGetWritePos;
+ u32 *m_pdwGetReadPos;
+
+ /* All access is protected */
+ struct mutex lock;
+
+} tmComResBusInfo_t;
+
+typedef struct {
+ u8 id;
+ u8 flags;
+ u16 size;
+ u32 command;
+ u16 controlselector;
+ u8 seqno;
+} __attribute__((packed)) tmComResInfo_t;
+
+typedef enum {
+ SET_CUR = 0x01,
+ GET_CUR = 0x81,
+ GET_MIN = 0x82,
+ GET_MAX = 0x83,
+ GET_RES = 0x84,
+ GET_LEN = 0x85,
+ GET_INFO = 0x86,
+ GET_DEF = 0x87
+} tmComResCmd_t;
+
+struct cmd {
+ u8 seqno;
+ u32 inuse;
+ u32 timeout;
+ u32 signalled;
+ struct mutex lock;
+ wait_queue_head_t wait;
+};
+
+typedef struct {
+ u32 pathid;
+ u32 size;
+ void *descriptor;
+} tmDescriptor_t;
+
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtype;
+ u8 unitid;
+} __attribute__((packed)) tmComResDescrHeader_t;
+
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtype;
+ u8 unitid;
+ u32 devicetype;
+ u16 deviceid;
+ u32 numgpiopins;
+ u8 numgpiogroups;
+ u8 controlsize;
+} __attribute__((packed)) tmComResExtDevDescrHeader_t;
+
+typedef struct {
+ u32 pin;
+ u8 state;
+} __attribute__((packed)) tmComResGPIO_t;
+
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtype;
+ u8 pathid;
+} __attribute__((packed)) tmComResPathDescrHeader_t;
+
+/* terminaltype */
+typedef enum {
+ ITT_ANTENNA = 0x0203,
+ LINE_CONNECTOR = 0x0603,
+ SPDIF_CONNECTOR = 0x0605,
+ COMPOSITE_CONNECTOR = 0x0401,
+ SVIDEO_CONNECTOR = 0x0402,
+ COMPONENT_CONNECTOR = 0x0403,
+ STANDARD_DMA = 0xF101
+} tmComResTermType_t;
+
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtype;
+ u8 terminalid;
+ u16 terminaltype;
+ u8 assocterminal;
+ u8 iterminal;
+ u8 controlsize;
+} __attribute__((packed)) tmComResAntTermDescrHeader_t;
+
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtype;
+ u8 unitid;
+ u8 sourceid;
+ u8 iunit;
+ u32 tuningstandards;
+ u8 controlsize;
+ u32 controls;
+} __attribute__((packed)) tmComResTunerDescrHeader_t;
+
+typedef enum {
+ /* the buffer does not contain any valid data */
+ TM_BUFFER_FLAG_EMPTY,
+
+ /* the buffer is filled with valid data */
+ TM_BUFFER_FLAG_DONE,
+
+ /* the buffer is the dummy buffer - TODO??? */
+ TM_BUFFER_FLAG_DUMMY_BUFFER
+} tmBufferFlag_t;
+
+typedef struct {
+ u64 *pagetablevirt;
+ u64 pagetablephys;
+ u16 offset;
+ u8 *context;
+ u64 timestamp;
+ tmBufferFlag_t BufferFlag_t;
+ u32 lostbuffers;
+ u32 validbuffers;
+ u64 *dummypagevirt;
+ u64 dummypagephys;
+ u64 *addressvirt;
+} tmBuffer_t;
+
+typedef struct {
+ u32 bitspersample;
+ u32 samplesperline;
+ u32 numberoflines;
+ u32 pitch;
+ u32 linethreshold;
+ u64 **pagetablelistvirt;
+ u64 *pagetablelistphys;
+ u32 numpagetables;
+ u32 numpagetableentries;
+} tmHWStreamParameters_t;
+
+typedef struct {
+ tmHWStreamParameters_t HWStreamParameters_t;
+ u64 qwDummyPageTablePhys;
+ u64 *pDummyPageTableVirt;
+} tmStreamParameters_t;
+
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtyle;
+ u8 unitid;
+ u16 terminaltype;
+ u8 assocterminal;
+ u8 sourceid;
+ u8 iterminal;
+ u32 BARLocation;
+ u8 flags;
+ u8 interruptid;
+ u8 buffercount;
+ u8 metadatasize;
+ u8 numformats;
+ u8 controlsize;
+} __attribute__((packed)) tmComResDMATermDescrHeader_t;
+
+/*
+ *
+ * Description:
+ * This is the transport stream format header.
+ *
+ * Settings:
+ * bLength - The size of this descriptor in bytes.
+ * bDescriptorType - CS_INTERFACE.
+ * bDescriptorSubtype - VS_FORMAT_MPEG2TS descriptor subtype.
+ * bFormatIndex - A non-zero constant that uniquely identifies the
+ * format.
+ * bDataOffset - Offset to TSP packet within MPEG-2 TS transport
+ * stride, in bytes.
+ * bPacketLength - Length of TSP packet, in bytes (typically 188).
+ * bStrideLength - Length of MPEG-2 TS transport stride.
+ * guidStrideFormat - A Globally Unique Identifier indicating the
+ * format of the stride data (if any). Set to zeros
+ * if there is no Stride Data, or if the Stride
+ * Data is to be ignored by the application.
+ *
+ */
+typedef struct {
+ u8 len;
+ u8 type;
+ u8 subtype;
+ u8 bFormatIndex;
+ u8 bDataOffset;
+ u8 bPacketLength;
+ u8 bStrideLength;
+ u8 guidStrideFormat[16];
+} __attribute__((packed)) tmComResTSFormatDescrHeader_t;
+
--- /dev/null
+/*
+ * Driver for the NXP SAA7164 PCIe bridge
+ *
+ * Copyright (c) 2009 Steven Toth <stoth@kernellabs.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.
+ */
+
+/*
+ Driver architecture
+ *******************
+
+ saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
+ | : Standard Linux driver framework for creating
+ | : exposing and managing interfaces to the rest
+ | : of the kernel or userland. Also uses _fw.c to load
+ | : firmware direct into the PCIe bus, bypassing layers.
+ V
+ saa7164_api..() : Translate kernel specific functions/features
+ | : into command buffers.
+ V
+ saa7164_cmd..() : Manages the flow of command packets on/off,
+ | : the bus. Deal with bus errors, timeouts etc.
+ V
+ saa7164_bus..() : Manage a read/write memory ring buffer in the
+ | : PCIe Address space.
+ |
+ | saa7164_fw...() : Load any frimware
+ | | : direct into the device
+ V V
+ <- ----------------- PCIe address space -------------------- ->
+*/
+
+#include <linux/pci.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/kdev_t.h>
+
+#include <media/tuner.h>
+#include <media/tveeprom.h>
+#include <media/videobuf-dma-sg.h>
+#include <media/videobuf-dvb.h>
+
+#include "saa7164-reg.h"
+#include "saa7164-types.h"
+
+#include <linux/version.h>
+#include <linux/mutex.h>
+
+#define SAA7164_MAXBOARDS 8
+
+#define UNSET (-1U)
+#define SAA7164_BOARD_NOAUTO UNSET
+#define SAA7164_BOARD_UNKNOWN 0
+#define SAA7164_BOARD_UNKNOWN_REV2 1
+#define SAA7164_BOARD_UNKNOWN_REV3 2
+#define SAA7164_BOARD_HAUPPAUGE_HVR2250 3
+#define SAA7164_BOARD_HAUPPAUGE_HVR2200 4
+#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5
+#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6
+#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7
+
+#define SAA7164_MAX_UNITS 8
+#define SAA7164_TS_NUMBER_OF_LINES 312
+#define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */
+
+#define DBGLVL_FW 4
+#define DBGLVL_DVB 8
+#define DBGLVL_I2C 16
+#define DBGLVL_API 32
+#define DBGLVL_CMD 64
+#define DBGLVL_BUS 128
+#define DBGLVL_IRQ 256
+#define DBGLVL_BUF 512
+
+enum port_t {
+ SAA7164_MPEG_UNDEFINED = 0,
+ SAA7164_MPEG_DVB,
+};
+
+enum saa7164_i2c_bus_nr {
+ SAA7164_I2C_BUS_0 = 0,
+ SAA7164_I2C_BUS_1,
+ SAA7164_I2C_BUS_2,
+};
+
+enum saa7164_buffer_flags {
+ SAA7164_BUFFER_UNDEFINED = 0,
+ SAA7164_BUFFER_FREE,
+ SAA7164_BUFFER_BUSY,
+ SAA7164_BUFFER_FULL
+};
+
+enum saa7164_unit_type {
+ SAA7164_UNIT_UNDEFINED = 0,
+ SAA7164_UNIT_DIGITAL_DEMODULATOR,
+ SAA7164_UNIT_ANALOG_DEMODULATOR,
+ SAA7164_UNIT_TUNER,
+ SAA7164_UNIT_EEPROM,
+ SAA7164_UNIT_ZILOG_IRBLASTER,
+ SAA7164_UNIT_ENCODER,
+};
+
+/* The PCIe bridge doesn't grant direct access to i2c.
+ * Instead, you address i2c devices using a uniqely
+ * allocated 'unitid' value via a messaging API. This
+ * is a problem. The kernel and existing demod/tuner
+ * drivers expect to talk 'i2c', so we have to maintain
+ * a translation layer, and a series of functions to
+ * convert i2c bus + device address into a unit id.
+ */
+struct saa7164_unit {
+ enum saa7164_unit_type type;
+ u8 id;
+ char *name;
+ enum saa7164_i2c_bus_nr i2c_bus_nr;
+ u8 i2c_bus_addr;
+ u8 i2c_reg_len;
+};
+
+struct saa7164_board {
+ char *name;
+ enum port_t porta, portb;
+ enum {
+ SAA7164_CHIP_UNDEFINED = 0,
+ SAA7164_CHIP_REV2,
+ SAA7164_CHIP_REV3,
+ } chiprev;
+ struct saa7164_unit unit[SAA7164_MAX_UNITS];
+};
+
+struct saa7164_subid {
+ u16 subvendor;
+ u16 subdevice;
+ u32 card;
+};
+
+struct saa7164_fw_status {
+
+ /* RISC Core details */
+ u32 status;
+ u32 mode;
+ u32 spec;
+ u32 inst;
+ u32 cpuload;
+ u32 remainheap;
+
+ /* Firmware version */
+ u32 version;
+ u32 major;
+ u32 sub;
+ u32 rel;
+ u32 buildnr;
+};
+
+struct saa7164_dvb {
+ struct mutex lock;
+ struct dvb_adapter adapter;
+ struct dvb_frontend *frontend;
+ struct dvb_demux demux;
+ struct dmxdev dmxdev;
+ struct dmx_frontend fe_hw;
+ struct dmx_frontend fe_mem;
+ struct dvb_net net;
+ int feeding;
+};
+
+struct saa7164_i2c {
+ struct saa7164_dev *dev;
+
+ enum saa7164_i2c_bus_nr nr;
+
+ /* I2C I/O */
+ struct i2c_adapter i2c_adap;
+ struct i2c_algo_bit_data i2c_algo;
+ struct i2c_client i2c_client;
+ u32 i2c_rc;
+};
+
+struct saa7164_tsport;
+
+struct saa7164_buffer {
+ struct list_head list;
+
+ u32 nr;
+
+ struct saa7164_tsport *port;
+
+ /* Hardware Specific */
+ /* PCI Memory allocations */
+ enum saa7164_buffer_flags flags; /* Free, Busy, Full */
+
+ /* A block of page align PCI memory */
+ u32 pci_size; /* PCI allocation size in bytes */
+ u64 *cpu; /* Virtual address */
+ dma_addr_t dma; /* Physical address */
+
+ /* A page table that splits the block into a number of entries */
+ u32 pt_size; /* PCI allocation size in bytes */
+ u64 *pt_cpu; /* Virtual address */
+ dma_addr_t pt_dma; /* Physical address */
+};
+
+struct saa7164_tsport {
+
+ struct saa7164_dev *dev;
+ int nr;
+ enum port_t type;
+
+ struct saa7164_dvb dvb;
+
+ /* HW related stream parameters */
+ tmHWStreamParameters_t hw_streamingparams;
+
+ /* DMA configuration values, is seeded during initialization */
+ tmComResDMATermDescrHeader_t hwcfg;
+
+ /* hardware specific registers */
+ u32 bufcounter;
+ u32 pitch;
+ u32 bufsize;
+ u32 bufoffset;
+ u32 bufptr32l;
+ u32 bufptr32h;
+ u64 bufptr64;
+
+ u32 numpte; /* Number of entries in array, only valid in head */
+ struct mutex dmaqueue_lock;
+ struct mutex dummy_dmaqueue_lock;
+ struct saa7164_buffer dmaqueue;
+ struct saa7164_buffer dummy_dmaqueue;
+
+};
+
+struct saa7164_dev {
+ struct list_head devlist;
+ atomic_t refcount;
+
+ /* pci stuff */
+ struct pci_dev *pci;
+ unsigned char pci_rev, pci_lat;
+ int pci_bus, pci_slot;
+ u32 __iomem *lmmio;
+ u8 __iomem *bmmio;
+ u32 __iomem *lmmio2;
+ u8 __iomem *bmmio2;
+ int pci_irqmask;
+
+ /* board details */
+ int nr;
+ int hwrevision;
+ u32 board;
+ char name[32];
+
+ /* firmware status */
+ struct saa7164_fw_status fw_status;
+
+ tmComResHWDescr_t hwdesc;
+ tmComResInterfaceDescr_t intfdesc;
+ tmComResBusDescr_t busdesc;
+
+ tmComResBusInfo_t bus;
+
+ /* TODO: Urgh, remove volatiles */
+ volatile u32 *InterruptStatus;
+ volatile u32 *InterruptAck;
+
+ struct cmd cmds[SAA_CMD_MAX_MSG_UNITS];
+ struct mutex lock;
+
+ /* I2c related */
+ struct saa7164_i2c i2c_bus[3];
+
+ /* Transport related */
+ struct saa7164_tsport ts1, ts2;
+
+ /* Deferred command/api interrupts handling */
+ struct work_struct workcmd;
+
+};
+
+extern struct list_head saa7164_devlist;
+
+/* ----------------------------------------------------------- */
+/* saa7164-core.c */
+void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
+void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len);
+void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
+u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);
+
+/* ----------------------------------------------------------- */
+/* saa7164-fw.c */
+int saa7164_downloadfirmware(struct saa7164_dev *dev);
+
+/* ----------------------------------------------------------- */
+/* saa7164-i2c.c */
+extern int saa7164_i2c_register(struct saa7164_i2c *bus);
+extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
+extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
+ unsigned int cmd, void *arg);
+
+/* ----------------------------------------------------------- */
+/* saa7164-bus.c */
+int saa7164_bus_setup(struct saa7164_dev *dev);
+void saa7164_bus_dump(struct saa7164_dev *dev);
+int saa7164_bus_set(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf);
+int saa7164_bus_get(struct saa7164_dev *dev, tmComResInfo_t* msg,
+ void *buf, int peekonly);
+
+/* ----------------------------------------------------------- */
+/* saa7164-cmd.c */
+int saa7164_cmd_send(struct saa7164_dev *dev,
+ u8 id, tmComResCmd_t command, u16 controlselector,
+ u16 size, void *buf);
+void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
+
+/* ----------------------------------------------------------- */
+/* saa7164-api.c */
+int saa7164_api_test(struct saa7164_dev *dev);
+int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version);
+int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
+int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
+ u32 datalen, u8 *data);
+int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
+ u32 datalen, u8 *data);
+int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
+ u32 datalen, u8 *data);
+int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen);
+int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
+int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
+int saa7164_api_transition_port(struct saa7164_tsport *port, u8 mode);
+
+/* ----------------------------------------------------------- */
+/* saa7164-cards.c */
+extern struct saa7164_board saa7164_boards[];
+extern const unsigned int saa7164_bcount;
+
+extern struct saa7164_subid saa7164_subids[];
+extern const unsigned int saa7164_idcount;
+
+extern void saa7164_card_list(struct saa7164_dev *dev);
+extern void saa7164_gpio_setup(struct saa7164_dev *dev);
+extern void saa7164_card_setup(struct saa7164_dev *dev);
+
+extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
+extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
+extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid);
+
+/* ----------------------------------------------------------- */
+/* saa7164-dvb.c */
+extern int saa7164_dvb_register(struct saa7164_tsport *port);
+extern int saa7164_dvb_unregister(struct saa7164_tsport *port);
+
+/* ----------------------------------------------------------- */
+/* saa7164-buffer.c */
+extern struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_tsport *port,
+ u32 len);
+extern int saa7164_buffer_dealloc(struct saa7164_tsport *port,
+ struct saa7164_buffer *buf);
+
+/* ----------------------------------------------------------- */
+
+extern unsigned int debug;
+#define dprintk(level, fmt, arg...)\
+ do { if (debug & level)\
+ printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
+ } while (0)
+
+#define log_warn(fmt, arg...)\
+ do { \
+ printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
+ } while (0)
+
+#define log_err(fmt, arg...)\
+ do { \
+ printk(KERN_ERROR "%s: " fmt, dev->name, ## arg);\
+ } while (0)
+
+#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
+#define saa7164_writel(reg, value) \
+do { \
+ printk(KERN_ERR "writel(%x, %llx)\n", value, (u64)(dev->lmmio + ((reg) >> 2))); \
+ writel((value), dev->lmmio + ((reg) >> 2)); \
+} while (0)
+
+#define saa7164_readb(reg) readl(dev->bmmio + (reg))
+#define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg))
+
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