[media] rtl28xx: initial support for rtl2832u
authorAntti Palosaari <crope@iki.fi>
Thu, 4 Aug 2011 16:26:10 +0000 (13:26 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Tue, 28 Feb 2012 21:41:20 +0000 (18:41 -0300)
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/dvb-usb/rtl28xxu.c
drivers/media/dvb/dvb-usb/rtl28xxu.h

index c186736ea8f76a350135c3cf13deb63fa1c93688..8772fe880b344ce870784f5a0e316dc19fc3cbf4 100644 (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);
index 902cb8b09206ebe448b609f4ea1a3414634c5c2a..dbde378d05e65639b4a6988ec6c8145b6114d03b 100644 (file)
 #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