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[media] rtl28xx: initial support for rtl2832u

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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2011-08-04 13:26:10 -03:00 committed by Mauro Carvalho Chehab
parent e9320ece9e
commit b5cbaa43a6
2 changed files with 327 additions and 43 deletions
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323
drivers/media/dvb/dvb-usb/rtl28xxu.c
View File

@ -88,8 +88,10 @@ static int rtl2831_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
if (reg < 0x3000)
req.index = CMD_USB_WR;
else
else if (reg < 0x4000)
req.index = CMD_SYS_WR;
else
req.index = CMD_IR_WR;
req.value = reg;
req.size = len;
@ -104,8 +106,10 @@ static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
if (reg < 0x3000)
req.index = CMD_USB_RD;
else
else if (reg < 0x4000)
req.index = CMD_SYS_RD;
else
req.index = CMD_IR_RD;
req.value = reg;
req.size = len;
@ -235,18 +239,18 @@ static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
.agc_targ_val = 0x3e,
};
static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
u8 buf[1];
struct rtl2830_config *rtl2830_config;
/* open RTL2831U/RTL2830 I2C gate */
struct rtl28xxu_req req_gate = {0x0120, 0x0011, 0x0001, "\x08"};
/* for MT2060 tuner probe */
struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
/* for QT1010 tuner probe */
struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
/* open RTL2831U/RTL2830 I2C gate */
struct rtl28xxu_req req_gate = {0x0120, 0x0011, 0x0001, "\x08"};
deb_info("%s:\n", __func__);
@ -329,6 +333,79 @@ err:
return ret;
}
static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
u8 buf[1];
/* open RTL2832U/RTL2832 I2C gate */
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
/* close RTL2832U/RTL2832 I2C gate */
struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
/* for FC2580 tuner probe */
struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
deb_info("%s:\n", __func__);
/* GPIO direction */
ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a);
if (ret)
goto err;
/* enable as output GPIO0, GPIO2, GPIO4 */
ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15);
if (ret)
goto err;
ret = rtl2831_wr_reg(adap->dev, SYS_DEMOD_CTL, 0xe8);
if (ret)
goto err;
/*
* Probe used tuner. We need to know used tuner before demod attach
* since there is some demod params needed to set according to tuner.
*/
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_open);
if (ret)
goto err;
/* check FC2580 ID register; reg=01 val=56 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc2580);
if (ret == 0 && buf[0] == 0x56) {
priv->tuner = TUNER_RTL2832_FC2580;
deb_info("%s: FC2580\n", __func__);
goto found;
} else {
deb_info("%s: FC2580 probe failed=%d - %02x\n",
__func__, ret, buf[0]);
}
/* close demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
if (ret)
goto err;
/* tuner not found */
ret = -ENODEV;
goto err;
found:
/* close demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
if (ret)
goto err;
/* attach demodulator */
/* TODO: */
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
static struct qt1010_config rtl28xxu_qt1010_config = {
.i2c_address = 0x62, /* 0xc4 */
};
@ -355,7 +432,7 @@ static struct mxl5005s_config rtl28xxu_mxl5005s_config = {
.AgcMasterByte = 0x00,
};
static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
@ -395,6 +472,33 @@ err:
return ret;
}
static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
struct dvb_frontend *fe = NULL;
deb_info("%s:\n", __func__);
switch (priv->tuner) {
case TUNER_RTL2832_FC2580:
/* TODO: */
break;
default:
err("unknown tuner=%d", priv->tuner);
}
if (fe == NULL) {
ret = -ENODEV;
goto err;
}
return 0;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
static int rtl28xxu_streaming_ctrl(struct dvb_usb_adapter *adap , int onoff)
{
int ret;
@ -455,21 +559,14 @@ static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
sys0 = sys0 & 0x0f;
sys0 |= 0xe0;
} else {
#if 0 /* keep */
/*
* FIXME: Use .fe_ioctl_override() to prevent demod
* IOCTLs in case of device is powered off.
*
* For now we cannot power off device because most FE IOCTLs
* can be performed only when device is powered.
* Using IOCTLs when device is powered off will result errors
* because register access to demod fails.
* IOCTLs in case of device is powered off. Or change
* RTL2830 demod not perform requestesd IOCTL & IO when sleep.
*/
gpio &= (~0x01); /* GPIO0 = 0 */
gpio |= 0x10; /* GPIO4 = 1 */
sys0 = sys0 & (~0xc0);
#endif
}
deb_info("%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, sys0, gpio);
@ -490,11 +587,39 @@ err:
return ret;
}
static int rtl28xxu_rc_query(struct dvb_usb_device *d)
static int rtl2831u_rc_query(struct dvb_usb_device *d)
{
int ret;
int ret, i;
struct rtl28xxu_priv *priv = d->priv;
u8 buf[5];
u32 rc_code;
struct rtl28xxu_reg_val rc_nec_tab[] = {
{ 0x3033, 0x80 },
{ 0x3020, 0x43 },
{ 0x3021, 0x16 },
{ 0x3022, 0x16 },
{ 0x3023, 0x5a },
{ 0x3024, 0x2d },
{ 0x3025, 0x16 },
{ 0x3026, 0x01 },
{ 0x3028, 0xb0 },
{ 0x3029, 0x04 },
{ 0x302c, 0x88 },
{ 0x302e, 0x13 },
{ 0x3030, 0xdf },
{ 0x3031, 0x05 },
};
/* init remote controller */
if (!priv->rc_active) {
for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
ret = rtl2831_wr_reg(d, rc_nec_tab[i].reg,
rc_nec_tab[i].val);
if (ret)
goto err;
}
priv->rc_active = true;
}
ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5);
if (ret)
@ -534,19 +659,97 @@ err:
return ret;
}
static int rtl2832u_rc_query(struct dvb_usb_device *d)
{
int ret, i;
struct rtl28xxu_priv *priv = d->priv;
u8 buf[128];
int len;
struct rtl28xxu_reg_val rc_nec_tab[] = {
{IR_RX_CTRL, 0x20},
{IR_RX_BUF_CTRL, 0x80},
{IR_RX_IF, 0xff},
{IR_RX_IE, 0xff},
{IR_MAX_DURATION0, 0xd0},
{IR_MAX_DURATION1, 0x07},
{IR_IDLE_LEN0, 0xc0},
{IR_IDLE_LEN1, 0x00},
{IR_GLITCH_LEN, 0x03},
{IR_RX_CLK, 0x09},
{IR_RX_CFG, 0x1c},
{IR_MAX_H_TOL_LEN, 0x1e},
{IR_MAX_L_TOL_LEN, 0x1e},
{IR_RX_CTRL, 0x80},
};
/* init remote controller */
if (!priv->rc_active) {
for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
ret = rtl2831_wr_reg(d, rc_nec_tab[i].reg,
rc_nec_tab[i].val);
if (ret)
goto err;
}
priv->rc_active = true;
}
ret = rtl2831_rd_reg(d, IR_RX_IF, &buf[0]);
if (ret)
goto err;
if (buf[0] != 0x83)
goto exit;
ret = rtl2831_rd_reg(d, IR_RX_BC, &buf[0]);
if (ret)
goto err;
len = buf[0];
ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
/* TODO: pass raw IR to Kernel IR decoder */
ret = rtl2831_wr_reg(d, IR_RX_IF, 0x03);
ret = rtl2831_wr_reg(d, IR_RX_BUF_CTRL, 0x80);
ret = rtl2831_wr_reg(d, IR_RX_CTRL, 0x80);
exit:
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
/* DVB USB Driver stuff */
#define USB_VID_REALTEK 0x0bda
#define USB_VID_DEXATEK 0x1D19
#define USB_PID_RTL2831U 0x2831
#define USB_PID_RTL2832U 0x2832
#define USB_PID_FREECOM 0x0160
#define USB_PID_DEXATEK_1101 0x1101
#define RTL2831U_0BDA_2831 0
#define RTL2831U_14AA_0160 1
#define RTL2832U_1ST_ID (RTL2831U_14AA_0160 + 1)
#define RTL2832U_0BDA_2832 (0 + RTL2832U_1ST_ID)
#define RTL2832U_1D19_1101 (1 + RTL2832U_1ST_ID)
static struct usb_device_id rtl28xxu_table[] = {
[RTL2831U_0BDA_2831] = {
USB_DEVICE(USB_VID_REALTEK, USB_PID_RTL2831U)},
[RTL2831U_14AA_0160] = {
USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM)},
[RTL2832U_0BDA_2832] = {
USB_DEVICE(USB_VID_REALTEK, USB_PID_RTL2832U)},
[RTL2832U_1D19_1101] = {
USB_DEVICE(USB_VID_DEXATEK, USB_PID_DEXATEK_1101)},
{} /* terminating entry */
};
@ -564,8 +767,8 @@ static struct dvb_usb_device_properties rtl28xxu_properties[] = {
.num_adapters = 1,
.adapter = {
{
.frontend_attach = rtl28xxu_frontend_attach,
.tuner_attach = rtl28xxu_tuner_attach,
.frontend_attach = rtl2831u_frontend_attach,
.tuner_attach = rtl2831u_tuner_attach,
.streaming_ctrl = rtl28xxu_streaming_ctrl,
.stream = {
.type = USB_BULK,
@ -585,7 +788,7 @@ static struct dvb_usb_device_properties rtl28xxu_properties[] = {
.rc.core = {
.protocol = RC_TYPE_NEC,
.module_name = "rtl28xxu",
.rc_query = rtl28xxu_rc_query,
.rc_query = rtl2831u_rc_query,
.rc_interval = 400,
.allowed_protos = RC_TYPE_NEC,
.rc_codes = RC_MAP_EMPTY,
@ -609,6 +812,63 @@ static struct dvb_usb_device_properties rtl28xxu_properties[] = {
},
}
},
{
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = DEVICE_SPECIFIC,
.no_reconnect = 1,
.size_of_priv = sizeof(struct rtl28xxu_priv),
.num_adapters = 1,
.adapter = {
{
.frontend_attach = rtl2832u_frontend_attach,
.tuner_attach = rtl2832u_tuner_attach,
.streaming_ctrl = rtl28xxu_streaming_ctrl,
.stream = {
.type = USB_BULK,
.count = 6,
.endpoint = 0x81,
.u = {
.bulk = {
.buffersize = 4096,
}
}
},
}
},
.power_ctrl = rtl28xxu_power_ctrl,
.rc.core = {
.protocol = RC_TYPE_NEC,
.module_name = "rtl28xxu",
.rc_query = rtl2832u_rc_query,
.rc_interval = 400,
.allowed_protos = RC_TYPE_NEC,
.rc_codes = RC_MAP_EMPTY,
},
.i2c_algo = &rtl28xxu_i2c_algo,
.num_device_descs = 2,
.devices = {
{
.name = "Realtek RTL2832U reference design",
.cold_ids = {NULL},
.warm_ids = {
&rtl28xxu_table[RTL2832U_0BDA_2832], NULL},
},
{
.name = "Dexatek dongle",
.cold_ids = {NULL},
.warm_ids = {
&rtl28xxu_table[RTL2832U_1D19_1101], NULL},
},
}
},
};
static int rtl28xxu_probe(struct usb_interface *intf,
@ -617,22 +877,6 @@ static int rtl28xxu_probe(struct usb_interface *intf,
int ret, i;
int properties_count = ARRAY_SIZE(rtl28xxu_properties);
struct dvb_usb_device *d = NULL;
struct rtl28xxu_reg_val rc_nec_tab[] = {
{ 0x3033, 0x80 },
{ 0x3020, 0x43 },
{ 0x3021, 0x16 },
{ 0x3022, 0x16 },
{ 0x3023, 0x5a },
{ 0x3024, 0x2d },
{ 0x3025, 0x16 },
{ 0x3026, 0x01 },
{ 0x3028, 0xb0 },
{ 0x3029, 0x04 },
{ 0x302c, 0x88 },
{ 0x302e, 0x13 },
{ 0x3030, 0xdf },
{ 0x3031, 0x05 },
};
deb_info("%s: interface=%d\n", __func__,
intf->cur_altsetting->desc.bInterfaceNumber);
@ -663,13 +907,6 @@ static int rtl28xxu_probe(struct usb_interface *intf,
if (ret)
goto err;
/* init remote controller */
for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
ret = rtl2831_wr_reg(d, rc_nec_tab[i].reg, rc_nec_tab[i].val);
if (ret)
goto err;
}
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);

47
drivers/media/dvb/dvb-usb/rtl28xxu.h
View File

@ -62,10 +62,13 @@
#define CMD_SYS_WR (SYS | CMD_WR_FLAG)
#define CMD_I2C_RD (I2C)
#define CMD_I2C_WR (I2C | CMD_WR_FLAG)
#define CMD_IR_RD (CMD_SYS_RD | 0x01)
#define CMD_IR_WR (CMD_SYS_WR | 0x01)
struct rtl28xxu_priv {
u8 chip_id;
u8 tuner;
bool rc_active;
};
enum rtl28xxu_chip_id {
@ -76,9 +79,21 @@ enum rtl28xxu_chip_id {
enum rtl28xxu_tuner {
TUNER_NONE = 0,
TUNER_RTL2830_QT1010,
TUNER_RTL2830_MT2060,
TUNER_RTL2830_MXL5005S,
TUNER_RTL2832_MT2266,
TUNER_RTL2832_FC2580,
TUNER_RTL2832_MT2063,
TUNER_RTL2832_MAX3543,
TUNER_RTL2832_TUA9001,
TUNER_RTL2832_MXL5007T,
TUNER_RTL2832_FC0012,
TUNER_RTL2832_E4000,
TUNER_RTL2832_TDA18272,
TUNER_RTL2832_FC0013,
};
struct rtl28xxu_req {
@ -192,6 +207,8 @@ struct rtl28xxu_reg_val {
#define SYS_GPIO_CFG0 0x3007 /* PAD configuration for GPIO0-GPIO3 */
#define SYS_SYS2 0x3008 /* include GP_CFG1 and 3 reserved bytes */
#define SYS_GPIO_CFG1 0x3008 /* PAD configuration for GPIO4 */
#define SYS_DEMOD_CTL1 0x300B
/* IrDA registers */
#define SYS_IRRC_PSR 0x3020 /* IR protocol selection */
#define SYS_IRRC_PER 0x3024 /* IR protocol extension */
@ -207,4 +224,34 @@ struct rtl28xxu_reg_val {
#define SYS_I2CMSR 0x304C /* I2C master status */
#define SYS_I2CMFR 0x3050 /* I2C master FIFO */
/*
* IR registers
*/
#define IR_RX_BUF 0xFC00
#define IR_RX_IE 0xFD00
#define IR_RX_IF 0xFD01
#define IR_RX_CTRL 0xFD02
#define IR_RX_CFG 0xFD03
#define IR_MAX_DURATION0 0xFD04
#define IR_MAX_DURATION1 0xFD05
#define IR_IDLE_LEN0 0xFD06
#define IR_IDLE_LEN1 0xFD07
#define IR_GLITCH_LEN 0xFD08
#define IR_RX_BUF_CTRL 0xFD09
#define IR_RX_BUF_DATA 0xFD0A
#define IR_RX_BC 0xFD0B
#define IR_RX_CLK 0xFD0C
#define IR_RX_C_COUNT_L 0xFD0D
#define IR_RX_C_COUNT_H 0xFD0E
#define IR_SUSPEND_CTRL 0xFD10
#define IR_ERR_TOL_CTRL 0xFD11
#define IR_UNIT_LEN 0xFD12
#define IR_ERR_TOL_LEN 0xFD13
#define IR_MAX_H_TOL_LEN 0xFD14
#define IR_MAX_L_TOL_LEN 0xFD15
#define IR_MASK_CTRL 0xFD16
#define IR_MASK_DATA 0xFD17
#define IR_RES_MASK_ADDR 0xFD18
#define IR_RES_MASK_T_LEN 0xFD19
#endif