--- /dev/null
+/*
+ * ddbridge.c: Digital Devices PCIe bridge driver
+ *
+ * Copyright (C) 2010-2011 Digital Devices GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <asm/io.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/timer.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/swab.h>
+#include <linux/vmalloc.h>
+#include "ddbridge.h"
+
+#include "ddbridge-regs.h"
+
+#include "tda18271c2dd.h"
+#include "stv6110x.h"
+#include "stv090x.h"
+#include "lnbh24.h"
+#include "drxk.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+/* MSI had problems with lost interrupts, fixed but needs testing */
+#undef CONFIG_PCI_MSI
+
+/******************************************************************************/
+
+static int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val)
+{
+ struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD,
+ .buf = val, .len = 1 }};
+ return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1;
+}
+
+static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val)
+{
+ struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
+ .buf = ®, .len = 1 },
+ {.addr = adr, .flags = I2C_M_RD,
+ .buf = val, .len = 1 }};
+ return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
+}
+
+static int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr,
+ u16 reg, u8 *val)
+{
+ u8 msg[2] = {reg>>8, reg&0xff};
+ struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
+ .buf = msg, .len = 2},
+ {.addr = adr, .flags = I2C_M_RD,
+ .buf = val, .len = 1}};
+ return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
+}
+
+static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
+{
+ struct ddb *dev = i2c->dev;
+ int stat;
+ u32 val;
+
+ i2c->done = 0;
+ ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND);
+ stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ);
+ if (stat <= 0) {
+ printk("I2C timeout\n");
+ { /* MSI debugging*/
+ u32 istat = ddbreadl(INTERRUPT_STATUS);
+ printk("IRS %08x\n", istat);
+ ddbwritel(istat, INTERRUPT_ACK);
+ }
+ return -EIO;
+ }
+ val=ddbreadl(i2c->regs+I2C_COMMAND);
+ if (val & 0x70000)
+ return -EIO;
+ return 0;
+}
+
+static int ddb_i2c_master_xfer(struct i2c_adapter *adapter,
+ struct i2c_msg msg[], int num)
+{
+ struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter);
+ struct ddb *dev = i2c->dev;
+ u8 addr=0;
+
+ if (num)
+ addr = msg[0].addr;
+
+ if (num == 2 && msg[1].flags & I2C_M_RD &&
+ !(msg[0].flags & I2C_M_RD)) {
+ memcpy_toio(dev->regs + I2C_TASKMEM_BASE + i2c->wbuf,
+ msg[0].buf,msg[0].len);
+ ddbwritel(msg[0].len|(msg[1].len << 16),
+ i2c->regs+I2C_TASKLENGTH);
+ if (!ddb_i2c_cmd(i2c, addr, 1)) {
+ memcpy_fromio(msg[1].buf,
+ dev->regs + I2C_TASKMEM_BASE + i2c->rbuf,
+ msg[1].len);
+ return num;
+ }
+ }
+
+ if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
+ ddbcpyto(I2C_TASKMEM_BASE + i2c->wbuf,msg[0].buf, msg[0].len);
+ ddbwritel(msg[0].len, i2c->regs + I2C_TASKLENGTH);
+ if (!ddb_i2c_cmd(i2c, addr, 2))
+ return num;
+ }
+ if (num == 1 && (msg[0].flags & I2C_M_RD)) {
+ ddbwritel(msg[0].len << 16, i2c->regs + I2C_TASKLENGTH);
+ if (!ddb_i2c_cmd(i2c, addr, 3)) {
+ ddbcpyfrom(msg[0].buf,
+ I2C_TASKMEM_BASE + i2c->rbuf, msg[0].len);
+ return num;
+ }
+ }
+ return -EIO;
+}
+
+
+static u32 ddb_i2c_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_SMBUS_EMUL;
+}
+
+struct i2c_algorithm ddb_i2c_algo = {
+ .master_xfer = ddb_i2c_master_xfer,
+ .functionality = ddb_i2c_functionality,
+};
+
+static void ddb_i2c_release(struct ddb *dev)
+{
+ int i;
+ struct ddb_i2c *i2c;
+ struct i2c_adapter *adap;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ i2c = &dev->i2c[i];
+ adap = &i2c->adap;
+ i2c_del_adapter(adap);
+ }
+}
+
+static int ddb_i2c_init(struct ddb *dev)
+{
+ int i, j, stat = 0;
+ struct ddb_i2c *i2c;
+ struct i2c_adapter *adap;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ i2c = &dev->i2c[i];
+ i2c->dev = dev;
+ i2c->nr = i;
+ i2c->wbuf = i * (I2C_TASKMEM_SIZE / 4);
+ i2c->rbuf = i2c->wbuf + (I2C_TASKMEM_SIZE / 8);
+ i2c->regs = 0x80 + i * 0x20;
+ ddbwritel(I2C_SPEED_100, i2c->regs + I2C_TIMING);
+ ddbwritel((i2c->rbuf << 16) | i2c->wbuf,
+ i2c->regs + I2C_TASKADDRESS);
+ init_waitqueue_head(&i2c->wq);
+
+ adap = &i2c->adap;
+ i2c_set_adapdata(adap, i2c);
+#ifdef I2C_ADAP_CLASS_TV_DIGITAL
+ adap->class = I2C_ADAP_CLASS_TV_DIGITAL|I2C_CLASS_TV_ANALOG;
+#else
+#ifdef I2C_CLASS_TV_ANALOG
+ adap->class = I2C_CLASS_TV_ANALOG;
+#endif
+#endif
+ strcpy(adap->name, "ddbridge");
+ adap->algo = &ddb_i2c_algo;
+ adap->algo_data = (void *)i2c;
+ adap->dev.parent = &dev->pdev->dev;
+ stat = i2c_add_adapter(adap);
+ if (stat)
+ break;
+ }
+ if (stat)
+ for (j = 0; j < i; j++) {
+ i2c = &dev->i2c[j];
+ adap = &i2c->adap;
+ i2c_del_adapter(adap);
+ }
+ return stat;
+}
+
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************************************************************/
+
+static void set_table(struct ddb *dev, u32 off,
+ dma_addr_t *pbuf, u32 num)
+{
+ u32 i, base;
+ u64 mem;
+
+ base = DMA_BASE_ADDRESS_TABLE + off;
+ for (i = 0; i < num; i++) {
+ mem = pbuf[i];
+ ddbwritel(mem & 0xffffffff, base + i * 8);
+ ddbwritel(mem >> 32, base + i * 8 + 4);
+ }
+}
+
+static void ddb_address_table(struct ddb *dev)
+{
+ u32 i, j, base;
+ u64 mem;
+ dma_addr_t *pbuf;
+
+ for (i = 0; i < dev->info->port_num * 2; i++) {
+ base = DMA_BASE_ADDRESS_TABLE + i * 0x100;
+ pbuf = dev->input[i].pbuf;
+ for (j = 0; j < dev->input[i].dma_buf_num; j++) {
+ mem = pbuf[j];
+ ddbwritel(mem & 0xffffffff, base + j * 8);
+ ddbwritel(mem >> 32, base + j * 8 + 4);
+ }
+ }
+ for (i = 0; i < dev->info->port_num; i++) {
+ base = DMA_BASE_ADDRESS_TABLE + 0x800 + i * 0x100;
+ pbuf = dev->output[i].pbuf;
+ for (j = 0; j < dev->output[i].dma_buf_num; j++) {
+ mem = pbuf[j];
+ ddbwritel(mem & 0xffffffff, base + j * 8);
+ ddbwritel(mem >> 32, base + j * 8 + 4);
+ }
+ }
+}
+
+static void io_free(struct pci_dev *pdev, u8 **vbuf,
+ dma_addr_t *pbuf, u32 size, int num)
+{
+ int i;
+
+ for (i = 0; i < num; i++) {
+ if (vbuf[i]) {
+ pci_free_consistent(pdev, size, vbuf[i], pbuf[i]);
+ vbuf[i] = 0;
+ }
+ }
+}
+
+static int io_alloc(struct pci_dev *pdev, u8 **vbuf,
+ dma_addr_t *pbuf, u32 size, int num)
+{
+ int i;
+
+ for (i = 0; i < num; i++) {
+ vbuf[i] = pci_alloc_consistent(pdev, size, &pbuf[i]);
+ if (!vbuf[i])
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static int ddb_buffers_alloc(struct ddb *dev)
+{
+ int i;
+ struct ddb_port *port;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ port = &dev->port[i];
+ switch (port->class) {
+ case DDB_PORT_TUNER:
+ if (io_alloc(dev->pdev, port->input[0]->vbuf,
+ port->input[0]->pbuf,
+ port->input[0]->dma_buf_size,
+ port->input[0]->dma_buf_num) < 0)
+ return -1;
+ if (io_alloc(dev->pdev, port->input[1]->vbuf,
+ port->input[1]->pbuf,
+ port->input[1]->dma_buf_size,
+ port->input[1]->dma_buf_num) < 0)
+ return -1;
+ break;
+ case DDB_PORT_CI:
+ if (io_alloc(dev->pdev, port->input[0]->vbuf,
+ port->input[0]->pbuf,
+ port->input[0]->dma_buf_size,
+ port->input[0]->dma_buf_num) < 0)
+ return -1;
+ if (io_alloc(dev->pdev, port->output->vbuf,
+ port->output->pbuf,
+ port->output->dma_buf_size,
+ port->output->dma_buf_num) < 0)
+ return -1;
+ break;
+ default:
+ break;
+ }
+ }
+ ddb_address_table(dev);
+ return 0;
+}
+
+static void ddb_buffers_free(struct ddb *dev)
+{
+ int i;
+ struct ddb_port *port;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ port = &dev->port[i];
+ io_free(dev->pdev, port->input[0]->vbuf,
+ port->input[0]->pbuf,
+ port->input[0]->dma_buf_size,
+ port->input[0]->dma_buf_num);
+ io_free(dev->pdev, port->input[1]->vbuf,
+ port->input[1]->pbuf,
+ port->input[1]->dma_buf_size,
+ port->input[1]->dma_buf_num);
+ io_free(dev->pdev, port->output->vbuf,
+ port->output->pbuf,
+ port->output->dma_buf_size,
+ port->output->dma_buf_num);
+ }
+}
+
+static void ddb_input_start(struct ddb_input *input)
+{
+ struct ddb *dev = input->port->dev;
+
+ spin_lock_irq(&input->lock);
+ input->cbuf = 0;
+ input->coff = 0;
+
+ /* reset */
+ ddbwritel(0, TS_INPUT_CONTROL(input->nr));
+ ddbwritel(2, TS_INPUT_CONTROL(input->nr));
+ ddbwritel(0, TS_INPUT_CONTROL(input->nr));
+
+ ddbwritel((1 << 16) |
+ (input->dma_buf_num << 11) |
+ (input->dma_buf_size >> 7),
+ DMA_BUFFER_SIZE(input->nr));
+ ddbwritel(0, DMA_BUFFER_ACK(input->nr));
+
+ ddbwritel(1, DMA_BASE_WRITE);
+ ddbwritel(3, DMA_BUFFER_CONTROL(input->nr));
+ ddbwritel(9, TS_INPUT_CONTROL(input->nr));
+ input->running = 1;
+ spin_unlock_irq(&input->lock);
+}
+
+static void ddb_input_stop(struct ddb_input *input)
+{
+ struct ddb *dev = input->port->dev;
+
+ spin_lock_irq(&input->lock);
+ ddbwritel(0, TS_INPUT_CONTROL(input->nr));
+ ddbwritel(0, DMA_BUFFER_CONTROL(input->nr));
+ input->running = 0;
+ spin_unlock_irq(&input->lock);
+}
+
+static void ddb_output_start(struct ddb_output *output)
+{
+ struct ddb *dev = output->port->dev;
+
+ spin_lock_irq(&output->lock);
+ output->cbuf = 0;
+ output->coff = 0;
+ ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
+ ddbwritel(2, TS_OUTPUT_CONTROL(output->nr));
+ ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
+ ddbwritel(0x3c, TS_OUTPUT_CONTROL(output->nr));
+ ddbwritel((1 << 16) |
+ (output->dma_buf_num << 11) |
+ (output->dma_buf_size >> 7),
+ DMA_BUFFER_SIZE(output->nr + 8));
+ ddbwritel(0, DMA_BUFFER_ACK(output->nr + 8));
+
+ ddbwritel(1, DMA_BASE_READ);
+ ddbwritel(3, DMA_BUFFER_CONTROL(output->nr + 8));
+ //ddbwritel(0xbd, TS_OUTPUT_CONTROL(output->nr));
+ ddbwritel(0x1d, TS_OUTPUT_CONTROL(output->nr));
+ output->running = 1;
+ spin_unlock_irq(&output->lock);
+}
+
+static void ddb_output_stop(struct ddb_output *output)
+{
+ struct ddb *dev = output->port->dev;
+
+ spin_lock_irq(&output->lock);
+ ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
+ ddbwritel(0, DMA_BUFFER_CONTROL(output->nr + 8));
+ output->running = 0;
+ spin_unlock_irq(&output->lock);
+}
+
+static u32 ddb_output_free(struct ddb_output *output)
+{
+ u32 idx, off, stat = output->stat;
+ s32 diff;
+
+ idx = (stat >> 11) & 0x1f;
+ off = (stat & 0x7ff) << 7;
+
+ if (output->cbuf != idx) {
+ if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
+ (output->dma_buf_size - output->coff <= 188))
+ return 0;
+ return 188;
+ }
+ diff = off - output->coff;
+ if (diff <= 0 || diff > 188)
+ return 188;
+ return 0;
+}
+
+static ssize_t ddb_output_write(struct ddb_output* output,
+ const u8 *buf, size_t count)
+{
+ struct ddb *dev = output->port->dev;
+ u32 idx, off, stat = output->stat;
+ u32 left = count, len;
+
+ idx = (stat >> 11) & 0x1f;
+ off = (stat & 0x7ff) << 7;
+
+ while (left) {
+ len = output->dma_buf_size - output->coff;
+ if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
+ (off == 0)) {
+ if (len<=188)
+ break;
+ len-=188;
+ }
+ if (output->cbuf == idx) {
+ if (off > output->coff) {
+#if 1
+ len = off - output->coff;
+ len -= (len % 188);
+ if (len <= 188)
+
+#endif
+ break;
+ len -= 188;
+ }
+ }
+ if (len > left)
+ len = left;
+ if (copy_from_user(output->vbuf[output->cbuf] + output->coff,
+ buf, len))
+ return -EIO;
+ left -= len;
+ buf += len;
+ output->coff += len;
+ if (output->coff == output->dma_buf_size) {
+ output->coff = 0;
+ output->cbuf = ((output->cbuf + 1) % output->dma_buf_num);
+ }
+ ddbwritel((output->cbuf << 11) | (output->coff >> 7),
+ DMA_BUFFER_ACK(output->nr + 8));
+ }
+ return count - left;
+}
+
+static u32 ddb_input_avail(struct ddb_input *input)
+{
+ struct ddb *dev = input->port->dev;
+ u32 idx, off, stat = input->stat;
+ u32 ctrl = ddbreadl(DMA_BUFFER_CONTROL(input->nr));
+
+ idx = (stat >> 11) & 0x1f;
+ off = (stat & 0x7ff) << 7;
+
+ if (ctrl & 4) {
+ printk("IA %d %d %08x\n", idx, off, ctrl);
+ ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr));
+ return 0;
+ }
+ if (input->cbuf != idx)
+ return 188;
+ return 0;
+}
+
+static size_t ddb_input_read(struct ddb_input *input, u8 *buf, size_t count)
+{
+ struct ddb *dev = input->port->dev;
+ u32 left = count;
+ u32 idx, off, free, stat = input->stat;
+ int ret;
+
+ idx = (stat >> 11) & 0x1f;
+ off = (stat & 0x7ff) << 7;
+
+ while (left) {
+ if (input->cbuf == idx)
+ return count - left;
+ free = input->dma_buf_size - input->coff;
+ if (free > left)
+ free = left;
+ ret = copy_to_user(buf, input->vbuf[input->cbuf] +
+ input->coff, free);
+ input->coff += free;
+ if (input->coff == input->dma_buf_size) {
+ input->coff = 0;
+ input->cbuf = (input->cbuf+1) % input->dma_buf_num;
+ }
+ left -= free;
+ ddbwritel((input->cbuf << 11) | (input->coff >> 7),
+ DMA_BUFFER_ACK(input->nr));
+ }
+ return count;
+}
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************************************************************/
+
+#if 0
+static struct ddb_input *fe2input(struct ddb *dev, struct dvb_frontend *fe)
+{
+ int i;
+
+ for (i = 0; i < dev->info->port_num * 2; i++) {
+ if (dev->input[i].fe==fe)
+ return &dev->input[i];
+ }
+ return NULL;
+}
+#endif
+
+static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct ddb_input *input = fe->sec_priv;
+ struct ddb_port *port = input->port;
+ int status;
+
+ if (enable) {
+ mutex_lock(&port->i2c_gate_lock);
+ status = input->gate_ctrl(fe, 1);
+ } else {
+ status = input->gate_ctrl(fe, 0);
+ mutex_unlock(&port->i2c_gate_lock);
+ }
+ return status;
+}
+
+static int demod_attach_drxk(struct ddb_input *input)
+{
+ struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct dvb_frontend *fe;
+
+ fe=input->fe = dvb_attach(drxk_attach,
+ i2c, 0x29 + (input->nr&1),
+ &input->fe2);
+ if (!input->fe) {
+ printk("No DRXK found!\n");
+ return -ENODEV;
+ }
+ fe->sec_priv = input;
+ input->gate_ctrl = fe->ops.i2c_gate_ctrl;
+ fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+ return 0;
+}
+
+static int tuner_attach_tda18271(struct ddb_input *input)
+{
+ struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct dvb_frontend *fe;
+
+ if (input->fe->ops.i2c_gate_ctrl)
+ input->fe->ops.i2c_gate_ctrl(input->fe, 1);
+ fe = dvb_attach(tda18271c2dd_attach, input->fe, i2c, 0x60);
+ if (!fe) {
+ printk("No TDA18271 found!\n");
+ return -ENODEV;
+ }
+ if (input->fe->ops.i2c_gate_ctrl)
+ input->fe->ops.i2c_gate_ctrl(input->fe, 0);
+ return 0;
+}
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************************************************************/
+
+static struct stv090x_config stv0900 = {
+ .device = STV0900,
+ .demod_mode = STV090x_DUAL,
+ .clk_mode = STV090x_CLK_EXT,
+
+ .xtal = 27000000,
+ .address = 0x69,
+
+ .ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
+ .ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
+
+ .repeater_level = STV090x_RPTLEVEL_16,
+
+ .adc1_range = STV090x_ADC_1Vpp,
+ .adc2_range = STV090x_ADC_1Vpp,
+
+ .diseqc_envelope_mode = true,
+};
+
+static struct stv090x_config stv0900_aa = {
+ .device = STV0900,
+ .demod_mode = STV090x_DUAL,
+ .clk_mode = STV090x_CLK_EXT,
+
+ .xtal = 27000000,
+ .address = 0x68,
+
+ .ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
+ .ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
+
+ .repeater_level = STV090x_RPTLEVEL_16,
+
+ .adc1_range = STV090x_ADC_1Vpp,
+ .adc2_range = STV090x_ADC_1Vpp,
+
+ .diseqc_envelope_mode = true,
+};
+
+static struct stv6110x_config stv6110a = {
+ .addr = 0x60,
+ .refclk = 27000000,
+ .clk_div = 1,
+};
+
+static struct stv6110x_config stv6110b = {
+ .addr = 0x63,
+ .refclk = 27000000,
+ .clk_div = 1,
+};
+
+static int demod_attach_stv0900(struct ddb_input *input, int type)
+{
+ struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
+
+ input->fe=dvb_attach(stv090x_attach, feconf, i2c,
+ (input->nr & 1) ? STV090x_DEMODULATOR_1
+ : STV090x_DEMODULATOR_0);
+ if (!input->fe) {
+ printk("No STV0900 found!\n");
+ return -ENODEV;
+ }
+ if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0,
+ 0, (input->nr & 1) ?
+ (0x09 - type) : (0x0b - type))) {
+ printk("No LNBH24 found!\n");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static int tuner_attach_stv6110(struct ddb_input *input, int type)
+{
+ struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
+ struct stv6110x_config *tunerconf = (input->nr & 1) ?
+ &stv6110b : &stv6110a;
+ struct stv6110x_devctl *ctl;
+
+ ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c);
+ if (!ctl) {
+ printk("No STV6110X found!\n");
+ return -ENODEV;
+ }
+ printk("attach tuner input %d adr %02x\n", input->nr, tunerconf->addr);
+
+ feconf->tuner_init = ctl->tuner_init;
+ feconf->tuner_sleep = ctl->tuner_sleep;
+ feconf->tuner_set_mode = ctl->tuner_set_mode;
+ feconf->tuner_set_frequency = ctl->tuner_set_frequency;
+ feconf->tuner_get_frequency = ctl->tuner_get_frequency;
+ feconf->tuner_set_bandwidth = ctl->tuner_set_bandwidth;
+ feconf->tuner_get_bandwidth = ctl->tuner_get_bandwidth;
+ feconf->tuner_set_bbgain = ctl->tuner_set_bbgain;
+ feconf->tuner_get_bbgain = ctl->tuner_get_bbgain;
+ feconf->tuner_set_refclk = ctl->tuner_set_refclk;
+ feconf->tuner_get_status = ctl->tuner_get_status;
+
+ return 0;
+}
+
+int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
+ int (*start_feed)(struct dvb_demux_feed *),
+ int (*stop_feed)(struct dvb_demux_feed *),
+ void *priv)
+{
+ dvbdemux->priv = priv;
+
+ dvbdemux->filternum = 256;
+ dvbdemux->feednum = 256;
+ dvbdemux->start_feed = start_feed;
+ dvbdemux->stop_feed = stop_feed;
+ dvbdemux->write_to_decoder = NULL;
+ dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
+ DMX_SECTION_FILTERING |
+ DMX_MEMORY_BASED_FILTERING);
+ return dvb_dmx_init(dvbdemux);
+}
+
+int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
+ struct dvb_demux *dvbdemux,
+ struct dmx_frontend *hw_frontend,
+ struct dmx_frontend *mem_frontend,
+ struct dvb_adapter *dvb_adapter)
+{
+ int ret;
+
+ dmxdev->filternum = 256;
+ dmxdev->demux = &dvbdemux->dmx;
+ dmxdev->capabilities = 0;
+ ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
+ if (ret < 0)
+ return ret;
+
+ hw_frontend->source = DMX_FRONTEND_0;
+ dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
+ mem_frontend->source = DMX_MEMORY_FE;
+ dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
+ return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
+}
+
+static int start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+ struct ddb_input *input = dvbdmx->priv;
+
+ if (!input->users)
+ ddb_input_start(input);
+
+ return ++input->users;
+}
+
+static int stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+ struct ddb_input *input = dvbdmx->priv;
+
+ if (--input->users)
+ return input->users;
+
+ ddb_input_stop(input);
+ return 0;
+}
+
+
+static void dvb_input_detach(struct ddb_input *input)
+{
+ struct dvb_adapter *adap = &input->adap;
+ struct dvb_demux *dvbdemux = &input->demux;
+
+ switch (input->attached) {
+ case 5:
+ if (input->fe2)
+ dvb_unregister_frontend(input->fe2);
+ if (input->fe) {
+ dvb_unregister_frontend(input->fe);
+ dvb_frontend_detach(input->fe);
+ input->fe = NULL;
+ }
+ case 4:
+ dvb_net_release(&input->dvbnet);
+
+ case 3:
+ dvbdemux->dmx.close(&dvbdemux->dmx);
+ dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
+ &input->hw_frontend);
+ dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
+ &input->mem_frontend);
+ dvb_dmxdev_release(&input->dmxdev);
+
+ case 2:
+ dvb_dmx_release(&input->demux);
+
+ case 1:
+ dvb_unregister_adapter(adap);
+ }
+ input->attached = 0;
+}
+
+static int dvb_input_attach(struct ddb_input *input)
+{
+ int ret;
+ struct ddb_port *port = input->port;
+ struct dvb_adapter *adap = &input->adap;
+ struct dvb_demux *dvbdemux = &input->demux;
+
+ ret=dvb_register_adapter(adap, "DDBridge",THIS_MODULE,
+ &input->port->dev->pdev->dev,
+ adapter_nr);
+ if (ret < 0) {
+ printk("ddbridge: Could not register adapter."
+ "Check if you enabled enough adapters in dvb-core!\n");
+ return ret;
+ }
+ input->attached = 1;
+
+ ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
+ start_feed,
+ stop_feed, input);
+ if (ret < 0)
+ return ret;
+ input->attached = 2;
+
+ ret = my_dvb_dmxdev_ts_card_init(&input->dmxdev, &input->demux,
+ &input->hw_frontend,
+ &input->mem_frontend, adap);
+ if (ret < 0)
+ return ret;
+ input->attached = 3;
+
+ ret = dvb_net_init(adap, &input->dvbnet, input->dmxdev.demux);
+ if (ret < 0)
+ return ret;
+ input->attached = 4;
+
+ input->fe = 0;
+ switch (port->type) {
+ case DDB_TUNER_DVBS_ST:
+ if (demod_attach_stv0900(input, 0) < 0)
+ return -ENODEV;
+ if (tuner_attach_stv6110(input, 0) < 0)
+ return -ENODEV;
+ if (input->fe) {
+ if (dvb_register_frontend(adap, input->fe) < 0)
+ return -ENODEV;
+ }
+ break;
+ case DDB_TUNER_DVBS_ST_AA:
+ if (demod_attach_stv0900(input, 1) < 0)
+ return -ENODEV;
+ if (tuner_attach_stv6110(input, 1) < 0)
+ return -ENODEV;
+ if (input->fe) {
+ if (dvb_register_frontend(adap, input->fe) < 0)
+ return -ENODEV;
+ }
+ break;
+ case DDB_TUNER_DVBCT_TR:
+ if (demod_attach_drxk(input) < 0)
+ return -ENODEV;
+ if (tuner_attach_tda18271(input) < 0)
+ return -ENODEV;
+ if (input->fe) {
+ if (dvb_register_frontend(adap, input->fe) < 0)
+ return -ENODEV;
+ }
+ if (input->fe2) {
+ if (dvb_register_frontend(adap, input->fe2) < 0)
+ return -ENODEV;
+ input->fe2->tuner_priv=input->fe->tuner_priv;
+ memcpy(&input->fe2->ops.tuner_ops,
+ &input->fe->ops.tuner_ops,
+ sizeof(struct dvb_tuner_ops));
+ }
+ break;
+ }
+ input->attached = 5;
+ return 0;
+}
+
+/****************************************************************************/
+/****************************************************************************/
+
+static ssize_t ts_write(struct file *file, const char *buf,
+ size_t count, loff_t *ppos)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct ddb_output *output = dvbdev->priv;
+ size_t left = count;
+ int stat;
+
+ while (left) {
+ if (ddb_output_free(output) < 188) {
+ if (file->f_flags & O_NONBLOCK)
+ break;
+ if (wait_event_interruptible(
+ output->wq, ddb_output_free(output) >= 188) < 0)
+ break;
+ }
+ stat = ddb_output_write(output, buf, left);
+ if (stat < 0)
+ break;
+ buf += stat;
+ left -= stat;
+ }
+ return (left == count) ? -EAGAIN : (count - left);
+}
+
+static ssize_t ts_read(struct file *file, char *buf,
+ size_t count, loff_t *ppos)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct ddb_output *output = dvbdev->priv;
+ struct ddb_input *input = output->port->input[0];
+ int left, read;
+
+ count -= count % 188;
+ left = count;
+ while (left) {
+ if (ddb_input_avail(input) < 188) {
+ if (file->f_flags & O_NONBLOCK)
+ break;
+ if (wait_event_interruptible(
+ input->wq, ddb_input_avail(input) >= 188) < 0)
+ break;
+ }
+ read = ddb_input_read(input, buf, left);
+ left -= read;
+ buf += read;
+ }
+ return (left == count) ? -EAGAIN : (count - left);
+}
+
+static unsigned int ts_poll(struct file *file, poll_table *wait)
+{
+ struct dvb_device *dvbdev = file->private_data;
+ struct ddb_output *output = dvbdev->priv;
+ struct ddb_input *input = output->port->input[0];
+ unsigned int mask = 0;
+
+#if 0
+ if (data_avail_to_read)
+ mask |= POLLIN | POLLRDNORM;
+ if (data_avail_to_write)
+ mask |= POLLOUT | POLLWRNORM;
+
+ poll_wait(file, &read_queue, wait);
+ poll_wait(file, &write_queue, wait);
+#endif
+ return mask;
+}
+
+static struct file_operations ci_fops = {
+ .owner = THIS_MODULE,
+ .read = ts_read,
+ .write = ts_write,
+ .open = dvb_generic_open,
+ .release = dvb_generic_release,
+ .poll = ts_poll,
+ .mmap = 0,
+};
+
+static struct dvb_device dvbdev_ci = {
+ .priv = 0,
+ .readers = -1,
+ .writers = -1,
+ .users = -1,
+ .fops = &ci_fops,
+};
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static void input_tasklet(unsigned long data)
+{
+ struct ddb_input *input = (struct ddb_input *) data;
+ struct ddb *dev = input->port->dev;
+
+ spin_lock(&input->lock);
+ if (!input->running) {
+ spin_unlock(&input->lock);
+ return;
+ }
+ input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
+
+ if (input->port->class == DDB_PORT_TUNER) {
+ if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))
+ printk("Overflow input %d\n", input->nr);
+ while (input->cbuf != ((input->stat >> 11) & 0x1f)
+ || (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))) {
+ dvb_dmx_swfilter_packets(&input->demux,
+ input->vbuf[input->cbuf],
+ input->dma_buf_size / 188);
+
+ input->cbuf = (input->cbuf + 1) % input->dma_buf_num;
+ ddbwritel((input->cbuf << 11),
+ DMA_BUFFER_ACK(input->nr));
+ input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
+ }
+ }
+ if (input->port->class == DDB_PORT_CI)
+ wake_up(&input->wq);
+ spin_unlock(&input->lock);
+}
+
+static void output_tasklet(unsigned long data)
+{
+ struct ddb_output *output = (struct ddb_output *) data;
+ struct ddb *dev = output->port->dev;
+
+ spin_lock(&output->lock);
+ if (!output->running) {
+ spin_unlock(&output->lock);
+ return;
+ }
+ output->stat = ddbreadl(DMA_BUFFER_CURRENT(output->nr + 8));
+ wake_up(&output->wq);
+ spin_unlock(&output->lock);
+}
+
+
+struct cxd2099_cfg cxd_cfg = {
+ .bitrate = 62000,
+ .adr = 0x40,
+ .polarity = 1,
+ .clock_mode = 1,
+};
+
+static int ddb_ci_attach(struct ddb_port *port)
+{
+ int ret;
+
+ ret = dvb_register_adapter(&port->output->adap,
+ "DDBridge",
+ THIS_MODULE,
+ &port->dev->pdev->dev,
+ adapter_nr);
+ if (ret < 0)
+ return ret;
+ port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
+ if (!port->en) {
+ dvb_unregister_adapter(&port->output->adap);
+ return -ENODEV;
+ }
+ ddb_input_start(port->input[0]);
+ ddb_output_start(port->output);
+ dvb_ca_en50221_init(&port->output->adap,
+ port->en, 0, 1);
+ ret=dvb_register_device(&port->output->adap, &port->output->dev,
+ &dvbdev_ci, (void *) port->output,
+ DVB_DEVICE_SEC);
+ return ret;
+}
+
+static int ddb_port_attach(struct ddb_port *port)
+{
+ int ret = 0;
+
+ switch (port->class) {
+ case DDB_PORT_TUNER:
+ ret = dvb_input_attach(port->input[0]);
+ if (ret<0)
+ break;
+ ret = dvb_input_attach(port->input[1]);
+ break;
+ case DDB_PORT_CI:
+ ret = ddb_ci_attach(port);
+ break;
+ default:
+ break;
+ }
+ if (ret < 0)
+ printk("port_attach on port %d failed\n", port->nr);
+ return ret;
+}
+
+static int ddb_ports_attach(struct ddb *dev)
+{
+ int i, ret = 0;
+ struct ddb_port *port;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ port = &dev->port[i];
+ ret = ddb_port_attach(port);
+ if (ret < 0)
+ break;
+ }
+ return ret;
+}
+
+static void ddb_ports_detach(struct ddb *dev)
+{
+ int i;
+ struct ddb_port *port;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ port = &dev->port[i];
+ switch (port->class) {
+ case DDB_PORT_TUNER:
+ dvb_input_detach(port->input[0]);
+ dvb_input_detach(port->input[1]);
+ break;
+ case DDB_PORT_CI:
+ if (port->output->dev)
+ dvb_unregister_device(port->output->dev);
+ if (port->en) {
+ ddb_input_stop(port->input[0]);
+ ddb_output_stop(port->output);
+ dvb_ca_en50221_release(port->en);
+ kfree(port->en);
+ port->en = 0;
+ dvb_unregister_adapter(&port->output->adap);
+ }
+ break;
+ }
+ }
+}
+
+/****************************************************************************/
+/****************************************************************************/
+
+static int port_has_ci(struct ddb_port *port)
+{
+ u8 val;
+ return (i2c_read_reg(&port->i2c->adap, 0x40, 0, &val) ? 0 : 1);
+}
+
+static int port_has_stv0900(struct ddb_port *port)
+{
+ u8 val;
+ if (i2c_read_reg16(&port->i2c->adap, 0x69, 0xf100, &val) < 0)
+ return 0;
+ return 1;
+}
+
+static int port_has_stv0900_aa(struct ddb_port *port)
+{
+ u8 val;
+ if (i2c_read_reg16(&port->i2c->adap, 0x68, 0xf100, &val) < 0)
+ return 0;
+ return 1;
+}
+
+static int port_has_drxks(struct ddb_port *port)
+{
+ u8 val;
+ if (i2c_read(&port->i2c->adap, 0x29, &val) < 0)
+ return 0;
+ if (i2c_read(&port->i2c->adap, 0x2a, &val) < 0)
+ return 0;
+ return 1;
+}
+
+static void ddb_port_probe(struct ddb_port *port)
+{
+ struct ddb *dev = port->dev;
+ char *modname = "NO MODULE";
+
+ port->class = DDB_PORT_NONE;
+
+ if (port_has_ci(port)) {
+ modname = "CI";
+ port->class = DDB_PORT_CI;
+ ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
+ } else if (port_has_stv0900(port)) {
+ modname = "DUAL DVB-S2";
+ port->class = DDB_PORT_TUNER;
+ port->type = DDB_TUNER_DVBS_ST;
+ ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
+ } else if (port_has_stv0900_aa(port)) {
+ modname = "DUAL DVB-S2";
+ port->class = DDB_PORT_TUNER;
+ port->type = DDB_TUNER_DVBS_ST_AA;
+ ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
+ } else if (port_has_drxks(port)) {
+ modname = "DUAL DVB-C/T";
+ port->class = DDB_PORT_TUNER;
+ port->type = DDB_TUNER_DVBCT_TR;
+ ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
+ }
+ printk("Port %d (TAB %d): %s\n", port->nr, port->nr+1, modname);
+}
+
+static void ddb_input_init(struct ddb_port *port, int nr)
+{
+ struct ddb *dev = port->dev;
+ struct ddb_input *input = &dev->input[nr];
+
+ input->nr = nr;
+ input->port = port;
+ input->dma_buf_num = INPUT_DMA_BUFS;
+ input->dma_buf_size = INPUT_DMA_SIZE;
+ ddbwritel(0, TS_INPUT_CONTROL(nr));
+ ddbwritel(2, TS_INPUT_CONTROL(nr));
+ ddbwritel(0, TS_INPUT_CONTROL(nr));
+ ddbwritel(0, DMA_BUFFER_ACK(nr));
+ tasklet_init(&input->tasklet, input_tasklet, (unsigned long) input);
+ spin_lock_init(&input->lock);
+ init_waitqueue_head(&input->wq);
+}
+
+static void ddb_output_init(struct ddb_port *port, int nr)
+{
+ struct ddb *dev = port->dev;
+ struct ddb_output *output = &dev->output[nr];
+ output->nr = nr;
+ output->port = port;
+ output->dma_buf_num = OUTPUT_DMA_BUFS;
+ output->dma_buf_size = OUTPUT_DMA_SIZE;
+
+ ddbwritel(0, TS_OUTPUT_CONTROL(nr));
+ ddbwritel(2, TS_OUTPUT_CONTROL(nr));
+ ddbwritel(0, TS_OUTPUT_CONTROL(nr));
+ tasklet_init(&output->tasklet, output_tasklet, (unsigned long) output);
+ init_waitqueue_head(&output->wq);
+}
+
+static void ddb_ports_init(struct ddb *dev)
+{
+ int i;
+ struct ddb_port *port;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ port = &dev->port[i];
+ port->dev = dev;
+ port->nr = i;
+ port->i2c = &dev->i2c[i];
+ port->input[0] = &dev->input[2 * i];
+ port->input[1] = &dev->input[2 * i + 1];
+ port->output = &dev->output[i];
+
+ mutex_init(&port->i2c_gate_lock);
+ ddb_port_probe(port);
+ ddb_input_init(port, 2 * i);
+ ddb_input_init(port, 2 * i + 1);
+ ddb_output_init(port, i);
+ }
+}
+
+static void ddb_ports_release(struct ddb *dev)
+{
+ int i;
+ struct ddb_port *port;
+
+ for (i = 0; i < dev->info->port_num; i++) {
+ port = &dev->port[i];
+ port->dev = dev;
+ tasklet_kill(&port->input[0]->tasklet);
+ tasklet_kill(&port->input[1]->tasklet);
+ tasklet_kill(&port->output->tasklet);
+ }
+}
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static void irq_handle_i2c(struct ddb *dev, int n)
+{
+ struct ddb_i2c *i2c = &dev->i2c[n];
+
+ i2c->done = 1;
+ wake_up(&i2c->wq);
+}
+
+static irqreturn_t irq_handler(int irq, void *dev_id)
+{
+ struct ddb *dev = (struct ddb *) dev_id;
+ u32 s = ddbreadl(INTERRUPT_STATUS);
+
+ if (!s)
+ return IRQ_NONE;
+
+ do {
+ ddbwritel(s, INTERRUPT_ACK);
+
+ if (s & 0x00000001) irq_handle_i2c(dev, 0);
+ if (s & 0x00000002) irq_handle_i2c(dev, 1);
+ if (s & 0x00000004) irq_handle_i2c(dev, 2);
+ if (s & 0x00000008) irq_handle_i2c(dev, 3);
+
+ if (s & 0x00000100) tasklet_schedule(&dev->input[0].tasklet);
+ if (s & 0x00000200) tasklet_schedule(&dev->input[1].tasklet);
+ if (s & 0x00000400) tasklet_schedule(&dev->input[2].tasklet);
+ if (s & 0x00000800) tasklet_schedule(&dev->input[3].tasklet);
+ if (s & 0x00001000) tasklet_schedule(&dev->input[4].tasklet);
+ if (s & 0x00002000) tasklet_schedule(&dev->input[5].tasklet);
+ if (s & 0x00004000) tasklet_schedule(&dev->input[6].tasklet);
+ if (s & 0x00008000) tasklet_schedule(&dev->input[7].tasklet);
+
+ if (s & 0x00010000) tasklet_schedule(&dev->output[0].tasklet);
+ if (s & 0x00020000) tasklet_schedule(&dev->output[1].tasklet);
+ if (s & 0x00040000) tasklet_schedule(&dev->output[2].tasklet);
+ if (s & 0x00080000) tasklet_schedule(&dev->output[3].tasklet);
+
+ /* if (s & 0x000f0000) printk("%08x\n", istat); */
+ } while ((s = ddbreadl(INTERRUPT_STATUS)));
+
+ return IRQ_HANDLED;
+}
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************************************************************/
+
+static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
+{
+ u32 data, shift;
+
+ if (wlen > 4)
+ ddbwritel(1, SPI_CONTROL);
+ while (wlen > 4) {
+ /* FIXME: check for big-endian */
+ data = swab32(*(u32 *)wbuf);
+ wbuf += 4;
+ wlen -= 4;
+ ddbwritel(data, SPI_DATA);
+ while (ddbreadl(SPI_CONTROL) & 0x0004);
+ }
+
+ if (rlen)
+ ddbwritel(0x0001 | ((wlen << (8 + 3)) & 0x1f00), SPI_CONTROL);
+ else
+ ddbwritel(0x0003 | ((wlen << (8 + 3)) & 0x1f00), SPI_CONTROL);
+
+ data=0;
+ shift = ((4 - wlen) * 8);
+ while (wlen) {
+ data <<= 8;
+ data |= *wbuf;
+ wlen--;
+ wbuf++;
+ }
+ if (shift)
+ data <<= shift;
+ ddbwritel(data, SPI_DATA);
+ while (ddbreadl(SPI_CONTROL) & 0x0004);
+
+ if (!rlen) {
+ ddbwritel(0, SPI_CONTROL);
+ return 0;
+ }
+ if (rlen > 4)
+ ddbwritel(1, SPI_CONTROL);
+
+ while (rlen > 4) {
+ ddbwritel(0xffffffff, SPI_DATA);
+ while (ddbreadl(SPI_CONTROL) & 0x0004);
+ data = ddbreadl(SPI_DATA);
+ *(u32 *) rbuf = swab32(data);
+ rbuf += 4;
+ rlen -= 4;
+ }
+ ddbwritel(0x0003 | ((rlen << (8 + 3)) & 0x1F00), SPI_CONTROL);
+ ddbwritel(0xffffffff, SPI_DATA);
+ while (ddbreadl(SPI_CONTROL) & 0x0004);
+
+ data = ddbreadl(SPI_DATA);
+ ddbwritel(0, SPI_CONTROL);
+
+ if (rlen < 4)
+ data <<= ((4 - rlen) * 8);
+
+ while (rlen > 0) {
+ *rbuf = ((data >> 24) & 0xff);
+ data <<= 8;
+ rbuf++;
+ rlen--;
+ }
+ return 0;
+}
+
+#define DDB_MAGIC 'd'
+
+struct ddb_flashio {
+ __u8 *write_buf;
+ __u32 write_len;
+ __u8 *read_buf;
+ __u32 read_len;
+};
+
+#define IOCTL_DDB_FLASHIO _IOWR(DDB_MAGIC, 0x00, struct ddb_flashio)
+
+#define DDB_NAME "ddbridge"
+
+static u32 ddb_num;
+static struct ddb *ddbs[32];
+static struct class *ddb_class;
+static int ddb_major;
+
+static int ddb_open(struct inode *inode, struct file *file)
+{
+ struct ddb *dev = ddbs[iminor(inode)];
+
+ file->private_data = dev;
+ return 0;
+}
+
+static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct ddb *dev = file->private_data;
+ void *parg = (void *)arg;
+ int res = -EFAULT;
+
+ switch (cmd) {
+ case IOCTL_DDB_FLASHIO:
+ {
+ struct ddb_flashio fio;
+ u8 *rbuf, *wbuf;
+
+ if (copy_from_user(&fio, parg, sizeof(fio)))
+ break;
+ if (fio.write_len + fio.read_len > 1028) {
+ printk("IOBUF too small\n");
+ return -ENOMEM;
+ }
+ wbuf = &dev->iobuf[0];
+ if (!wbuf)
+ return -ENOMEM;
+ rbuf = wbuf + fio.write_len;
+ if (copy_from_user(wbuf, fio.write_buf, fio.write_len)) {
+ vfree(wbuf);
+ break;
+ }
+ res = flashio(dev, wbuf, fio.write_len,
+ rbuf, fio.read_len);
+ if (copy_to_user(fio.read_buf, rbuf, fio.read_len))
+ res = -EFAULT;
+ break;
+ }
+ default:
+ break;
+ }
+ return res;
+}
+
+static struct file_operations ddb_fops={
+ .unlocked_ioctl = ddb_ioctl,
+ .open = ddb_open,
+};
+
+static char *ddb_devnode(struct device *device, mode_t *mode)
+{
+ struct ddb *dev = dev_get_drvdata(device);
+
+ return kasprintf(GFP_KERNEL, "ddbridge/card%d", dev->nr);
+}
+
+static int ddb_class_create(void)
+{
+ if ((ddb_major = register_chrdev(0, DDB_NAME, &ddb_fops))<0)
+ return ddb_major;
+
+ ddb_class = class_create(THIS_MODULE, DDB_NAME);
+ if (IS_ERR(ddb_class)) {
+ unregister_chrdev(ddb_major, DDB_NAME);
+ return -1;
+ }
+ ddb_class->devnode = ddb_devnode;
+ return 0;
+}
+
+static void ddb_class_destroy(void)
+{
+ class_destroy(ddb_class);
+ unregister_chrdev(ddb_major, DDB_NAME);
+}
+
+static int ddb_device_create(struct ddb *dev)
+{
+ dev->nr = ddb_num++;
+ dev->ddb_dev = device_create(ddb_class, NULL,
+ MKDEV(ddb_major, dev->nr),
+ dev, "ddbridge%d", dev->nr);
+ ddbs[dev->nr] = dev;
+ if (IS_ERR(dev->ddb_dev))
+ return -1;
+ return 0;
+}
+
+static void ddb_device_destroy(struct ddb *dev)
+{
+ ddb_num--;
+ if (IS_ERR(dev->ddb_dev))
+ return;
+ device_destroy(ddb_class, MKDEV(ddb_major, 0));
+}
+
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static void ddb_unmap(struct ddb *dev)
+{
+ if (dev->regs)
+ iounmap(dev->regs);
+ vfree(dev);
+}
+
+
+static void __devexit ddb_remove(struct pci_dev *pdev)
+{
+ struct ddb *dev = (struct ddb *) pci_get_drvdata(pdev);
+
+ ddb_ports_detach(dev);
+ ddb_i2c_release(dev);
+
+ ddbwritel(0, INTERRUPT_ENABLE);
+ free_irq(dev->pdev->irq, dev);
+#ifdef CONFIG_PCI_MSI
+ if (dev->msi)
+ pci_disable_msi(dev->pdev);
+#endif
+ ddb_ports_release(dev);
+ ddb_buffers_free(dev);
+ ddb_device_destroy(dev);
+
+ ddb_unmap(dev);
+ pci_set_drvdata(pdev, 0);
+ pci_disable_device(pdev);
+}
+
+
+static int __devinit ddb_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ struct ddb *dev;
+ int stat=0;
+ int irq_flag = IRQF_SHARED;
+
+ if (pci_enable_device(pdev)<0)
+ return -ENODEV;
+
+ dev = vmalloc(sizeof(struct ddb));
+ if (dev == NULL)
+ return -ENOMEM;
+ memset(dev, 0, sizeof(struct ddb));
+
+ dev->pdev = pdev;
+ pci_set_drvdata(pdev, dev);
+ dev->info = (struct ddb_info *) id->driver_data;
+ printk("DDBridge driver detected: %s\n", dev->info->name);
+
+ dev->regs = ioremap(pci_resource_start(dev->pdev,0),
+ pci_resource_len(dev->pdev,0));
+ if (!dev->regs) {
+ stat = -ENOMEM;
+ goto fail;
+ }
+ printk("HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4));
+
+#ifdef CONFIG_PCI_MSI
+ if (pci_msi_enabled())
+ stat = pci_enable_msi(dev->pdev);
+ if (stat) {
+ printk(KERN_INFO ": MSI not available.\n");
+ } else {
+ irq_flag = 0;
+ dev->msi = 1;
+ }
+#endif
+ if ((stat = request_irq(dev->pdev->irq, irq_handler,
+ irq_flag, "DDBridge",
+ (void *) dev))<0)
+ goto fail1;
+ ddbwritel(0, DMA_BASE_WRITE);
+ ddbwritel(0, DMA_BASE_READ);
+ ddbwritel(0xffffffff, INTERRUPT_ACK);
+ ddbwritel(0xfff0f, INTERRUPT_ENABLE);
+ ddbwritel(0, MSI1_ENABLE);
+
+ if (ddb_i2c_init(dev) < 0)
+ goto fail1;
+ ddb_ports_init(dev);
+ if (ddb_buffers_alloc(dev) < 0) {
+ printk(KERN_INFO ": Could not allocate buffer memory\n");
+ goto fail2;
+ }
+ if (ddb_ports_attach(dev) < 0)
+ goto fail3;
+ ddb_device_create(dev);
+ return 0;
+
+fail3:
+ ddb_ports_detach(dev);
+ printk("fail3\n");
+ ddb_ports_release(dev);
+fail2:
+ printk("fail2\n");
+ ddb_buffers_free(dev);
+fail1:
+ printk("fail1\n");
+ if (dev->msi)
+ pci_disable_msi(dev->pdev);
+ free_irq(dev->pdev->irq, dev);
+fail:
+ printk("fail\n");
+ ddb_unmap(dev);
+ pci_set_drvdata(pdev, 0);
+ pci_disable_device(pdev);
+ return -1;
+}
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************************************************************/
+
+static struct ddb_info ddb_none = {
+ .type = DDB_NONE,
+ .name = "Digital Devices PCIe bridge",
+};
+
+static struct ddb_info ddb_octopus = {
+ .type = DDB_OCTOPUS,
+ .name = "Digital Devices Octopus DVB adapter",
+ .port_num = 4,
+};
+
+static struct ddb_info ddb_octopus_le = {
+ .type = DDB_OCTOPUS,
+ .name = "Digital Devices Octopus LE DVB adapter",
+ .port_num = 2,
+};
+
+static struct ddb_info ddb_v6 = {
+ .type = DDB_OCTOPUS,
+ .name = "Digital Devices Cine S2 V6 DVB adapter",
+ .port_num = 3,
+};
+
+#define DDVID 0xdd01 /* Digital Devices Vendor ID */
+
+#define DDB_ID(_vend, _dev, _subvend,_subdev,_driverdata) { \
+ .vendor = _vend, .device = _dev, \
+ .subvendor = _subvend, .subdevice = _subdev, \
+ .driver_data = (unsigned long)&_driverdata }
+
+static const struct pci_device_id ddb_id_tbl[] __devinitdata = {
+ DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
+ DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
+ DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
+ DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus),
+ DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6),
+ /* in case sub-ids got deleted in flash */
+ DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
+ {0}
+};
+MODULE_DEVICE_TABLE(pci, ddb_id_tbl);
+
+
+static struct pci_driver ddb_pci_driver = {
+ .name = "DDBridge",
+ .id_table = ddb_id_tbl,
+ .probe = ddb_probe,
+ .remove = ddb_remove,
+};
+
+static __init int module_init_ddbridge(void)
+{
+ printk("Digital Devices PCIE bridge driver, "
+ "Copyright (C) 2010-11 Digital Devices GmbH\n");
+ if (ddb_class_create())
+ return -1;
+ return pci_register_driver(&ddb_pci_driver);
+}
+
+static __exit void module_exit_ddbridge(void)
+{
+ pci_unregister_driver(&ddb_pci_driver);
+ ddb_class_destroy();
+}
+
+module_init(module_init_ddbridge);
+module_exit(module_exit_ddbridge);
+
+MODULE_DESCRIPTION("Digital Devices PCIe Bridge");
+MODULE_AUTHOR("Ralph Metzler");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.5");
projects / cascardo / linux.git / commitdiff