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path: root/drivers/media/usb/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c131
1 files changed, 110 insertions, 21 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index a73faf12f7e4..b94f5c70ab75 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -16,10 +16,6 @@
// Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
// (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
// (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
-//
-// 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 version 2 of the License.
#include "em28xx.h"
@@ -62,6 +58,7 @@
#include "si2157.h"
#include "tc90522.h"
#include "qm1d1c0042.h"
+#include "mxl692.h"
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@kernel.org>");
MODULE_LICENSE("GPL v2");
@@ -471,13 +468,13 @@ static void hauppauge_hvr930c_init(struct em28xx *dev)
{
int i;
- struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
+ static const struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
{EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0x65},
{EM2874_R80_GPIO_P0_CTRL, 0xfb, 0xff, 0x32},
{EM2874_R80_GPIO_P0_CTRL, 0xff, 0xff, 0xb8},
{ -1, -1, -1, -1},
};
- struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
+ static const struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
{EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x01},
{EM2874_R80_GPIO_P0_CTRL, 0xaf, 0xff, 0x65},
{EM2874_R80_GPIO_P0_CTRL, 0xef, 0xff, 0x76},
@@ -493,7 +490,7 @@ static void hauppauge_hvr930c_init(struct em28xx *dev)
{ -1, -1, -1, -1},
};
- struct {
+ static const struct {
unsigned char r[4];
int len;
} regs[] = {
@@ -537,20 +534,20 @@ static void hauppauge_hvr930c_init(struct em28xx *dev)
static void terratec_h5_init(struct em28xx *dev)
{
int i;
- struct em28xx_reg_seq terratec_h5_init[] = {
+ static const struct em28xx_reg_seq terratec_h5_init[] = {
{EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
{EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
{EM2874_R80_GPIO_P0_CTRL, 0xf2, 0xff, 50},
{EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
{ -1, -1, -1, -1},
};
- struct em28xx_reg_seq terratec_h5_end[] = {
+ static const struct em28xx_reg_seq terratec_h5_end[] = {
{EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
{EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
{EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
{ -1, -1, -1, -1},
};
- struct {
+ static const struct {
unsigned char r[4];
int len;
} regs[] = {
@@ -594,14 +591,14 @@ static void terratec_htc_stick_init(struct em28xx *dev)
* 0xe6: unknown (does not affect DVB-T).
* 0xb6: unknown (does not affect DVB-T).
*/
- struct em28xx_reg_seq terratec_htc_stick_init[] = {
+ static const struct em28xx_reg_seq terratec_htc_stick_init[] = {
{EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
{EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
{EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 50},
{EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 100},
{ -1, -1, -1, -1},
};
- struct em28xx_reg_seq terratec_htc_stick_end[] = {
+ static const struct em28xx_reg_seq terratec_htc_stick_end[] = {
{EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
{EM2874_R80_GPIO_P0_CTRL, 0xf6, 0xff, 50},
{ -1, -1, -1, -1},
@@ -611,7 +608,7 @@ static void terratec_htc_stick_init(struct em28xx *dev)
* Init the analog decoder (not yet supported), but
* it's probably still a good idea.
*/
- struct {
+ static const struct {
unsigned char r[4];
int len;
} regs[] = {
@@ -642,14 +639,14 @@ static void terratec_htc_usb_xs_init(struct em28xx *dev)
{
int i;
- struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
+ static const struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
{EM2820_R08_GPIO_CTRL, 0xff, 0xff, 10},
{EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 100},
{EM2874_R80_GPIO_P0_CTRL, 0xb2, 0xff, 50},
{EM2874_R80_GPIO_P0_CTRL, 0xb6, 0xff, 100},
{ -1, -1, -1, -1},
};
- struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
+ static const struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
{EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 100},
{EM2874_R80_GPIO_P0_CTRL, 0xa6, 0xff, 50},
{EM2874_R80_GPIO_P0_CTRL, 0xe6, 0xff, 100},
@@ -660,7 +657,7 @@ static void terratec_htc_usb_xs_init(struct em28xx *dev)
* Init the analog decoder (not yet supported), but
* it's probably still a good idea.
*/
- struct {
+ static const struct {
unsigned char r[4];
int len;
} regs[] = {
@@ -704,7 +701,7 @@ static void pctv_520e_init(struct em28xx *dev)
* digital demodulator and tuner are routed via AVF4910B.
*/
int i;
- struct {
+ static const struct {
unsigned char r[4];
int len;
} regs[] = {
@@ -730,7 +727,7 @@ static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
struct em28xx *dev = i2c_bus->dev;
-#ifdef CONFIG_GPIOLIB
+#ifdef CONFIG_GPIOLIB_LEGACY
struct em28xx_dvb *dvb = dev->dvb;
int ret;
unsigned long flags;
@@ -800,7 +797,7 @@ static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
static void px_bcud_init(struct em28xx *dev)
{
int i;
- struct {
+ static const struct {
unsigned char r[4];
int len;
} regs1[] = {
@@ -818,7 +815,7 @@ static void px_bcud_init(struct em28xx *dev)
{{ 0x85, 0x7a }, 2},
{{ 0x87, 0x04 }, 2},
};
- static struct em28xx_reg_seq gpio[] = {
+ static const struct em28xx_reg_seq gpio[] = {
{EM28XX_R06_I2C_CLK, 0x40, 0xff, 300},
{EM2874_R80_GPIO_P0_CTRL, 0xfd, 0xff, 60},
{EM28XX_R15_RGAIN, 0x20, 0xff, 0},
@@ -1207,6 +1204,67 @@ static int em28178_dvb_init_pctv_461e(struct em28xx *dev)
/* attach SEC */
a8293_pdata.dvb_frontend = dvb->fe[0];
+ /*
+ * 461e has a tendency to have vIN undervoltage troubles.
+ * Slew mitigates this.
+ */
+ a8293_pdata.volt_slew_nanos_per_mv = 20;
+
+ dvb->i2c_client_sec = dvb_module_probe("a8293", NULL,
+ &dev->i2c_adap[dev->def_i2c_bus],
+ 0x08, &a8293_pdata);
+ if (!dvb->i2c_client_sec) {
+ dvb_module_release(dvb->i2c_client_tuner);
+ dvb_module_release(dvb->i2c_client_demod);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int em28178_dvb_init_pctv_461e_v2(struct em28xx *dev)
+{
+ struct em28xx_dvb *dvb = dev->dvb;
+ struct i2c_adapter *i2c_adapter;
+ struct m88ds3103_platform_data m88ds3103_pdata = {};
+ struct ts2020_config ts2020_config = {};
+ struct a8293_platform_data a8293_pdata = {};
+
+ /* attach demod */
+ m88ds3103_pdata.clk = 27000000;
+ m88ds3103_pdata.i2c_wr_max = 33;
+ m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
+ m88ds3103_pdata.ts_clk = 16000;
+ m88ds3103_pdata.ts_clk_pol = 0;
+ m88ds3103_pdata.agc = 0x99;
+ m88ds3103_pdata.agc_inv = 0;
+ m88ds3103_pdata.spec_inv = 0;
+ dvb->i2c_client_demod = dvb_module_probe("m88ds3103", "m88ds3103b",
+ &dev->i2c_adap[dev->def_i2c_bus],
+ 0x6a, &m88ds3103_pdata);
+
+ if (!dvb->i2c_client_demod)
+ return -ENODEV;
+
+ dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(dvb->i2c_client_demod);
+ i2c_adapter = m88ds3103_pdata.get_i2c_adapter(dvb->i2c_client_demod);
+
+ /* attach tuner */
+ ts2020_config.fe = dvb->fe[0];
+ dvb->i2c_client_tuner = dvb_module_probe("ts2020", "ts2022",
+ i2c_adapter,
+ 0x60, &ts2020_config);
+ if (!dvb->i2c_client_tuner) {
+ dvb_module_release(dvb->i2c_client_demod);
+ return -ENODEV;
+ }
+
+ /* delegate signal strength measurement to tuner */
+ dvb->fe[0]->ops.read_signal_strength =
+ dvb->fe[0]->ops.tuner_ops.get_rf_strength;
+
+ /* attach SEC */
+ a8293_pdata.dvb_frontend = dvb->fe[0];
dvb->i2c_client_sec = dvb_module_probe("a8293", NULL,
&dev->i2c_adap[dev->def_i2c_bus],
0x08, &a8293_pdata);
@@ -1404,6 +1462,26 @@ static int em28174_dvb_init_hauppauge_wintv_dualhd_01595(struct em28xx *dev)
return 0;
}
+static int em2874_dvb_init_hauppauge_usb_quadhd(struct em28xx *dev)
+{
+ struct em28xx_dvb *dvb = dev->dvb;
+ struct mxl692_config mxl692_config = {};
+ unsigned char addr;
+
+ /* attach demod/tuner combo */
+ mxl692_config.id = (dev->ts == PRIMARY_TS) ? 0 : 1;
+ mxl692_config.fe = &dvb->fe[0];
+ addr = (dev->ts == PRIMARY_TS) ? 0x60 : 0x63;
+
+ dvb->i2c_client_demod = dvb_module_probe("mxl692", NULL,
+ &dev->i2c_adap[dev->def_i2c_bus],
+ addr, &mxl692_config);
+ if (!dvb->i2c_client_demod)
+ return -ENODEV;
+
+ return 0;
+}
+
static int em28xx_dvb_init(struct em28xx *dev)
{
int result = 0, dvb_alt = 0;
@@ -1627,7 +1705,7 @@ static int em28xx_dvb_init(struct em28xx *dev)
goto out_free;
}
-#ifdef CONFIG_GPIOLIB
+#ifdef CONFIG_GPIOLIB_LEGACY
/* enable LNA for DVB-T, DVB-T2 and DVB-C */
result = gpio_request_one(dvb->lna_gpio,
GPIOF_OUT_INIT_LOW, NULL);
@@ -1860,6 +1938,11 @@ static int em28xx_dvb_init(struct em28xx *dev)
if (result)
goto out_free;
break;
+ case EM28178_BOARD_PCTV_461E_V2:
+ result = em28178_dvb_init_pctv_461e_v2(dev);
+ if (result)
+ goto out_free;
+ break;
case EM28178_BOARD_PCTV_292E:
result = em28178_dvb_init_pctv_292e(dev);
if (result)
@@ -1885,6 +1968,11 @@ static int em28xx_dvb_init(struct em28xx *dev)
if (result)
goto out_free;
break;
+ case EM2874_BOARD_HAUPPAUGE_USB_QUADHD:
+ result = em2874_dvb_init_hauppauge_usb_quadhd(dev);
+ if (result)
+ goto out_free;
+ break;
default:
dev_err(&dev->intf->dev,
"The frontend of your DVB/ATSC card isn't supported yet\n");
@@ -1924,6 +2012,7 @@ ret:
return result;
out_free:
+ em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
kfree(dvb);
dev->dvb = NULL;
goto ret;
generated by cgit (git 2.34.1) at 2025-12-26 04:53:52 +0000