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path: root/drivers/media/pci/ddbridge/ddbridge-core.c
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Diffstat (limited to 'drivers/media/pci/ddbridge/ddbridge-core.c')
-rw-r--r--drivers/media/pci/ddbridge/ddbridge-core.c102
1 files changed, 65 insertions, 37 deletions
diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c
index 9420479bee9a..cd1723e79a07 100644
--- a/drivers/media/pci/ddbridge/ddbridge-core.c
+++ b/drivers/media/pci/ddbridge/ddbridge-core.c
@@ -17,6 +17,8 @@
* http://www.gnu.org/copyleft/gpl.html
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -114,6 +116,19 @@ static int i2c_write_reg(struct i2c_adapter *adap, u8 adr,
return i2c_write(adap, adr, msg, 2);
}
+static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr)
+{
+ u32 val = ddbreadl(adr);
+
+ /* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */
+ if (val == ~0) {
+ dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr);
+ return 0;
+ }
+
+ return val;
+}
+
static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
{
struct ddb *dev = i2c->dev;
@@ -124,10 +139,10 @@ static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND);
stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ);
if (stat == 0) {
- printk(KERN_ERR "I2C timeout\n");
+ dev_err(&dev->pdev->dev, "I2C timeout\n");
{ /* MSI debugging*/
u32 istat = ddbreadl(INTERRUPT_STATUS);
- printk(KERN_ERR "IRS %08x\n", istat);
+ dev_err(&dev->pdev->dev, "IRS %08x\n", istat);
ddbwritel(istat, INTERRUPT_ACK);
}
return -EIO;
@@ -533,7 +548,7 @@ static u32 ddb_input_avail(struct ddb_input *input)
off = (stat & 0x7ff) << 7;
if (ctrl & 4) {
- printk(KERN_ERR "IA %d %d %08x\n", idx, off, ctrl);
+ dev_err(&dev->pdev->dev, "IA %d %d %08x\n", idx, off, ctrl);
ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr));
return 0;
}
@@ -611,6 +626,7 @@ static int demod_attach_drxk(struct ddb_input *input)
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct dvb_frontend *fe;
struct drxk_config config;
+ struct device *dev = &input->port->dev->pdev->dev;
memset(&config, 0, sizeof(config));
config.microcode_name = "drxk_a3.mc";
@@ -619,7 +635,7 @@ static int demod_attach_drxk(struct ddb_input *input)
fe = input->fe = dvb_attach(drxk_attach, &config, i2c);
if (!input->fe) {
- printk(KERN_ERR "No DRXK found!\n");
+ dev_err(dev, "No DRXK found!\n");
return -ENODEV;
}
fe->sec_priv = input;
@@ -632,12 +648,13 @@ static int tuner_attach_tda18271(struct ddb_input *input)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct dvb_frontend *fe;
+ struct device *dev = &input->port->dev->pdev->dev;
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(KERN_ERR "No TDA18271 found!\n");
+ dev_err(dev, "No TDA18271 found!\n");
return -ENODEV;
}
if (input->fe->ops.i2c_gate_ctrl)
@@ -670,13 +687,14 @@ static struct stv0367_config ddb_stv0367_config[] = {
static int demod_attach_stv0367(struct ddb_input *input)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
/* attach frontend */
input->fe = dvb_attach(stv0367ddb_attach,
&ddb_stv0367_config[(input->nr & 1)], i2c);
if (!input->fe) {
- printk(KERN_ERR "stv0367ddb_attach failed (not found?)\n");
+ dev_err(dev, "stv0367ddb_attach failed (not found?)\n");
return -ENODEV;
}
@@ -690,17 +708,19 @@ static int demod_attach_stv0367(struct ddb_input *input)
static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr)
{
struct i2c_adapter *adapter = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
+
u8 tda_id[2];
u8 subaddr = 0x00;
- printk(KERN_DEBUG "stv0367-tda18212 tuner ping\n");
+ dev_dbg(dev, "stv0367-tda18212 tuner ping\n");
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 1);
if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
- printk(KERN_DEBUG "tda18212 ping 1 fail\n");
+ dev_dbg(dev, "tda18212 ping 1 fail\n");
if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
- printk(KERN_DEBUG "tda18212 ping 2 fail\n");
+ dev_warn(dev, "tda18212 ping failed, expect problems\n");
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 0);
@@ -711,6 +731,7 @@ static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr)
static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct cxd2841er_config cfg;
/* the cxd2841er driver expects 8bit/shifted I2C addresses */
@@ -728,7 +749,7 @@ static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24)
input->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c);
if (!input->fe) {
- printk(KERN_ERR "No Sony CXD28xx found!\n");
+ dev_err(dev, "No Sony CXD28xx found!\n");
return -ENODEV;
}
@@ -742,6 +763,7 @@ static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24)
static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype)
{
struct i2c_adapter *adapter = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct i2c_client *client;
struct tda18212_config config = {
.fe = input->fe,
@@ -786,7 +808,7 @@ static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype)
return 0;
err:
- printk(KERN_INFO "TDA18212 tuner not found. Device is not fully operational.\n");
+ dev_warn(dev, "TDA18212 tuner not found. Device is not fully operational.\n");
return -ENODEV;
}
@@ -847,19 +869,20 @@ static struct stv6110x_config stv6110b = {
static int demod_attach_stv0900(struct ddb_input *input, int type)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
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(KERN_ERR "No STV0900 found!\n");
+ dev_err(dev, "No STV0900 found!\n");
return -ENODEV;
}
if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0,
0, (input->nr & 1) ?
(0x09 - type) : (0x0b - type))) {
- printk(KERN_ERR "No LNBH24 found!\n");
+ dev_err(dev, "No LNBH24 found!\n");
return -ENODEV;
}
return 0;
@@ -868,6 +891,7 @@ static int demod_attach_stv0900(struct ddb_input *input, int type)
static int tuner_attach_stv6110(struct ddb_input *input, int type)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
struct stv6110x_config *tunerconf = (input->nr & 1) ?
&stv6110b : &stv6110a;
@@ -875,10 +899,10 @@ static int tuner_attach_stv6110(struct ddb_input *input, int type)
ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c);
if (!ctl) {
- printk(KERN_ERR "No STV6110X found!\n");
+ dev_err(dev, "No STV6110X found!\n");
return -ENODEV;
}
- printk(KERN_INFO "attach tuner input %d adr %02x\n",
+ dev_info(dev, "attach tuner input %d adr %02x\n",
input->nr, tunerconf->addr);
feconf->tuner_init = ctl->tuner_init;
@@ -1009,13 +1033,14 @@ static int dvb_input_attach(struct ddb_input *input)
struct ddb_port *port = input->port;
struct dvb_adapter *adap = &input->adap;
struct dvb_demux *dvbdemux = &input->demux;
+ struct device *dev = &input->port->dev->pdev->dev;
int sony_osc24 = 0, sony_tspar = 0;
ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE,
&input->port->dev->pdev->dev,
adapter_nr);
if (ret < 0) {
- printk(KERN_ERR "ddbridge: Could not register adapter.Check if you enabled enough adapters in dvb-core!\n");
+ dev_err(dev, "Could not register adapter. Check if you enabled enough adapters in dvb-core!\n");
return ret;
}
input->attached = 1;
@@ -1241,9 +1266,9 @@ static void input_tasklet(unsigned long data)
if (input->port->class == DDB_PORT_TUNER) {
if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))
- printk(KERN_ERR "Overflow input %d\n", input->nr);
+ dev_err(&dev->pdev->dev, "Overflow input %d\n", input->nr);
while (input->cbuf != ((input->stat >> 11) & 0x1f)
- || (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))) {
+ || (4 & safe_ddbreadl(dev, DMA_BUFFER_CONTROL(input->nr)))) {
dvb_dmx_swfilter_packets(&input->demux,
input->vbuf[input->cbuf],
input->dma_buf_size / 188);
@@ -1280,6 +1305,7 @@ static struct cxd2099_cfg cxd_cfg = {
.adr = 0x40,
.polarity = 1,
.clock_mode = 1,
+ .max_i2c = 512,
};
static int ddb_ci_attach(struct ddb_port *port)
@@ -1310,6 +1336,7 @@ static int ddb_ci_attach(struct ddb_port *port)
static int ddb_port_attach(struct ddb_port *port)
{
+ struct device *dev = &port->dev->pdev->dev;
int ret = 0;
switch (port->class) {
@@ -1326,7 +1353,7 @@ static int ddb_port_attach(struct ddb_port *port)
break;
}
if (ret < 0)
- printk(KERN_ERR "port_attach on port %d failed\n", port->nr);
+ dev_err(dev, "port_attach on port %d failed\n", port->nr);
return ret;
}
@@ -1377,6 +1404,7 @@ static void ddb_ports_detach(struct ddb *dev)
static int init_xo2(struct ddb_port *port)
{
struct i2c_adapter *i2c = &port->i2c->adap;
+ struct device *dev = &port->dev->pdev->dev;
u8 val, data[2];
int res;
@@ -1385,7 +1413,7 @@ static int init_xo2(struct ddb_port *port)
return res;
if (data[0] != 0x01) {
- pr_info("Port %d: invalid XO2\n", port->nr);
+ dev_info(dev, "Port %d: invalid XO2\n", port->nr);
return -1;
}
@@ -1511,7 +1539,7 @@ static void ddb_port_probe(struct ddb_port *port)
port->class = DDB_PORT_CI;
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
} else if (port_has_xo2(port, &xo2_type, &xo2_id)) {
- printk(KERN_INFO "Port %d (TAB %d): XO2 type: %d, id: %d\n",
+ dev_dbg(&dev->pdev->dev, "Port %d (TAB %d): XO2 type: %d, id: %d\n",
port->nr, port->nr+1, xo2_type, xo2_id);
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
@@ -1556,10 +1584,10 @@ static void ddb_port_probe(struct ddb_port *port)
}
break;
case DDB_XO2_TYPE_CI:
- printk(KERN_INFO "DuoFlex CI modules not supported\n");
+ dev_info(&dev->pdev->dev, "DuoFlex CI modules not supported\n");
break;
default:
- printk(KERN_INFO "Unknown XO2 DuoFlex module\n");
+ dev_info(&dev->pdev->dev, "Unknown XO2 DuoFlex module\n");
break;
}
} else if (port_has_cxd28xx(port, &cxd_id)) {
@@ -1611,7 +1639,7 @@ static void ddb_port_probe(struct ddb_port *port)
ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
}
- printk(KERN_INFO "Port %d (TAB %d): %s\n",
+ dev_info(&dev->pdev->dev, "Port %d (TAB %d): %s\n",
port->nr, port->nr+1, modname);
}
@@ -1765,7 +1793,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
wbuf += 4;
wlen -= 4;
ddbwritel(data, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
}
@@ -1785,7 +1813,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
if (shift)
data <<= shift;
ddbwritel(data, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
if (!rlen) {
@@ -1797,7 +1825,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
while (rlen > 4) {
ddbwritel(0xffffffff, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
data = ddbreadl(SPI_DATA);
*(u32 *) rbuf = swab32(data);
@@ -1806,7 +1834,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
}
ddbwritel(0x0003 | ((rlen << (8 + 3)) & 0x1F00), SPI_CONTROL);
ddbwritel(0xffffffff, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
data = ddbreadl(SPI_DATA);
@@ -1993,7 +2021,7 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
dev->pdev = pdev;
pci_set_drvdata(pdev, dev);
dev->info = (struct ddb_info *) id->driver_data;
- printk(KERN_INFO "DDBridge driver detected: %s\n", dev->info->name);
+ dev_info(&pdev->dev, "Detected %s\n", dev->info->name);
dev->regs = ioremap(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
@@ -2001,13 +2029,13 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
stat = -ENOMEM;
goto fail;
}
- printk(KERN_INFO "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4));
+ dev_info(&pdev->dev, "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");
+ dev_info(&pdev->dev, "MSI not available.\n");
} else {
irq_flag = 0;
dev->msi = 1;
@@ -2040,7 +2068,7 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto fail1;
ddb_ports_init(dev);
if (ddb_buffers_alloc(dev) < 0) {
- printk(KERN_INFO ": Could not allocate buffer memory\n");
+ dev_err(&pdev->dev, "Could not allocate buffer memory\n");
goto fail2;
}
if (ddb_ports_attach(dev) < 0)
@@ -2050,19 +2078,19 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
fail3:
ddb_ports_detach(dev);
- printk(KERN_ERR "fail3\n");
+ dev_err(&pdev->dev, "fail3\n");
ddb_ports_release(dev);
fail2:
- printk(KERN_ERR "fail2\n");
+ dev_err(&pdev->dev, "fail2\n");
ddb_buffers_free(dev);
fail1:
- printk(KERN_ERR "fail1\n");
+ dev_err(&pdev->dev, "fail1\n");
if (dev->msi)
pci_disable_msi(dev->pdev);
if (stat == 0)
free_irq(dev->pdev->irq, dev);
fail:
- printk(KERN_ERR "fail\n");
+ dev_err(&pdev->dev, "fail\n");
ddb_unmap(dev);
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
@@ -2242,7 +2270,7 @@ static __init int module_init_ddbridge(void)
{
int ret;
- printk(KERN_INFO "Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n");
+ pr_info("Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n");
ret = ddb_class_create();
if (ret < 0)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.