[media] rtl28xx: initial support for rtl2832u (b5cbaa43) · Commits · e / devices / android_kernel_teracube_2e

drivers/media/dvb/dvb-usb/rtl28xxu.c

+280 −43

Original line number	Diff line number	Diff line
		@@ -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 @@ static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
		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 @@ static int rtl28xxu_tuner_attach(struct dvb_usb_adapter *adap)
		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 @@ static int rtl28xxu_power_ctrl(struct dvb_usb_device *d, int onoff)
		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 @@ static int rtl28xxu_rc_query(struct dvb_usb_device *d)
		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);

drivers/media/dvb/dvb-usb/rtl28xxu.h

+47 −0

Original line number	Diff line number	Diff line
		@@ -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