Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / media / dvb / dvb-usb / it913x.c
index 67094b8..9f01cd7 100644 (file)
@@ -52,42 +52,59 @@ static int pid_filter;
 module_param_named(pid, pid_filter, int, 0644);
 MODULE_PARM_DESC(pid, "set default 0=on 1=off");
 
+static int dvb_usb_it913x_firmware;
+module_param_named(firmware, dvb_usb_it913x_firmware, int, 0644);
+MODULE_PARM_DESC(firmware, "set firmware 0=auto 1=IT9137 2=IT9135V1");
+
+
 int cmd_counter;
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
 struct it913x_state {
        u8 id;
-};
-
-struct ite_config {
-       u8 chip_ver;
-       u16 chip_type;
-       u32 firmware;
-       u8 tuner_id_0;
-       u8 tuner_id_1;
-       u8 dual_mode;
+       struct ite_config it913x_config;
 };
 
 struct ite_config it913x_config;
 
+#define IT913X_RETRY   10
+#define IT913X_SND_TIMEOUT     100
+#define IT913X_RCV_TIMEOUT     200
+
 static int it913x_bulk_write(struct usb_device *dev,
                                u8 *snd, int len, u8 pipe)
 {
-       int ret, actual_l;
+       int ret, actual_l, i;
+
+       for (i = 0; i < IT913X_RETRY; i++) {
+               ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
+                               snd, len , &actual_l, IT913X_SND_TIMEOUT);
+               if (ret == 0 || ret != -EBUSY || ret != -ETIMEDOUT)
+                       break;
+       }
+
+       if (len != actual_l && ret == 0)
+               ret = -EAGAIN;
 
-       ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
-                               snd, len , &actual_l, 100);
        return ret;
 }
 
 static int it913x_bulk_read(struct usb_device *dev,
                                u8 *rev, int len, u8 pipe)
 {
-       int ret, actual_l;
+       int ret, actual_l, i;
+
+       for (i = 0; i < IT913X_RETRY; i++) {
+               ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
+                                rev, len , &actual_l, IT913X_RCV_TIMEOUT);
+               if (ret == 0 || ret != -EBUSY || ret != -ETIMEDOUT)
+                       break;
+       }
+
+       if (len != actual_l && ret == 0)
+               ret = -EAGAIN;
 
-       ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
-                                rev, len , &actual_l, 200);
        return ret;
 }
 
@@ -100,7 +117,7 @@ static u16 check_sum(u8 *p, u8 len)
        return ~sum;
 }
 
-static int it913x_io(struct usb_device *udev, u8 mode, u8 pro,
+static int it913x_usb_talk(struct usb_device *udev, u8 mode, u8 pro,
                        u8 cmd, u32 reg, u8 addr, u8 *data, u8 len)
 {
        int ret = 0, i, buf_size = 1;
@@ -159,22 +176,41 @@ static int it913x_io(struct usb_device *udev, u8 mode, u8 pro,
        buff[buf_size++] = (chk_sum & 0xff);
 
        ret = it913x_bulk_write(udev, buff, buf_size , 0x02);
+       if (ret < 0)
+               goto error;
 
-       ret |= it913x_bulk_read(udev, buff, (mode & 1) ?
+       ret = it913x_bulk_read(udev, buff, (mode & 1) ?
                        5 : len + 5 , 0x01);
+       if (ret < 0)
+               goto error;
 
        rlen = (mode & 0x1) ? 0x1 : len;
 
        if (mode & 1)
-               ret |= buff[2];
+               ret = buff[2];
        else
                memcpy(data, &buff[3], rlen);
 
        cmd_counter++;
 
-       kfree(buff);
+error: kfree(buff);
 
-       return (ret < 0) ? -ENODEV : 0;
+       return ret;
+}
+
+static int it913x_io(struct usb_device *udev, u8 mode, u8 pro,
+                       u8 cmd, u32 reg, u8 addr, u8 *data, u8 len)
+{
+       int ret, i;
+
+       for (i = 0; i < IT913X_RETRY; i++) {
+               ret = it913x_usb_talk(udev, mode, pro,
+                       cmd, reg, addr, data, len);
+               if (ret != -EAGAIN)
+                       break;
+       }
+
+       return ret;
 }
 
 static int it913x_wr_reg(struct usb_device *udev, u8 pro, u32 reg , u8 data)
@@ -223,15 +259,15 @@ static u32 it913x_query(struct usb_device *udev, u8 pro)
 
 static int it913x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
 {
-       int ret = 0;
+       struct usb_device *udev = adap->dev->udev;
+       int ret;
        u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
 
        if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
                        return -EAGAIN;
        deb_info(1, "PID_C  (%02x)", onoff);
 
-       if (!onoff)
-               ret = it913x_wr_reg(adap->dev->udev, pro, PID_RST, 0x1);
+       ret = it913x_wr_reg(udev, pro, PID_EN, onoff);
 
        mutex_unlock(&adap->dev->i2c_mutex);
        return ret;
@@ -241,27 +277,20 @@ static int it913x_pid_filter(struct dvb_usb_adapter *adap,
                int index, u16 pid, int onoff)
 {
        struct usb_device *udev = adap->dev->udev;
-       int ret = 0;
+       int ret;
        u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
 
-       if (pid_filter > 0)
-               return 0;
-
        if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
                        return -EAGAIN;
        deb_info(1, "PID_F  (%02x)", onoff);
-       if (onoff) {
-               ret = it913x_wr_reg(udev, pro, PID_EN, 0x1);
-
-               ret |= it913x_wr_reg(udev, pro, PID_LSB, (u8)(pid & 0xff));
 
-               ret |= it913x_wr_reg(udev, pro, PID_MSB, (u8)(pid >> 8));
+       ret = it913x_wr_reg(udev, pro, PID_LSB, (u8)(pid & 0xff));
 
-               ret |= it913x_wr_reg(udev, pro, PID_INX_EN, (u8)onoff);
+       ret |= it913x_wr_reg(udev, pro, PID_MSB, (u8)(pid >> 8));
 
-               ret |= it913x_wr_reg(udev, pro, PID_INX, (u8)(index & 0x1f));
+       ret |= it913x_wr_reg(udev, pro, PID_INX_EN, (u8)onoff);
 
-       }
+       ret |= it913x_wr_reg(udev, pro, PID_INX, (u8)(index & 0x1f));
 
        mutex_unlock(&adap->dev->i2c_mutex);
        return 0;
@@ -337,15 +366,73 @@ static int it913x_rc_query(struct dvb_usb_device *d)
 
        if ((ibuf[2] + ibuf[3]) == 0xff) {
                key = ibuf[2];
-               key += ibuf[0] << 8;
-               deb_info(1, "INT Key =%08x", key);
+               key += ibuf[0] << 16;
+               key += ibuf[1] << 8;
+               deb_info(1, "NEC Extended Key =%08x", key);
                if (d->rc_dev != NULL)
                        rc_keydown(d->rc_dev, key, 0);
        }
+
        mutex_unlock(&d->i2c_mutex);
 
        return ret;
 }
+
+/* Firmware sets raw */
+const char fw_it9135_v1[] = "dvb-usb-it9135-01.fw";
+const char fw_it9135_v2[] = "dvb-usb-it9135-02.fw";
+const char fw_it9137[] = "dvb-usb-it9137-01.fw";
+
+static int ite_firmware_select(struct usb_device *udev,
+       struct dvb_usb_device_properties *props)
+{
+       int sw;
+       /* auto switch */
+       if (le16_to_cpu(udev->descriptor.idProduct) ==
+                       USB_PID_ITETECH_IT9135)
+               sw = IT9135_V1_FW;
+       else if (le16_to_cpu(udev->descriptor.idProduct) ==
+                       USB_PID_ITETECH_IT9135_9005)
+               sw = IT9135_V1_FW;
+       else if (le16_to_cpu(udev->descriptor.idProduct) ==
+                       USB_PID_ITETECH_IT9135_9006) {
+               sw = IT9135_V2_FW;
+               if (it913x_config.tuner_id_0 == 0)
+                       it913x_config.tuner_id_0 = IT9135_60;
+       } else
+               sw = IT9137_FW;
+
+       /* force switch */
+       if (dvb_usb_it913x_firmware != IT9135_AUTO)
+               sw = dvb_usb_it913x_firmware;
+
+       switch (sw) {
+       case IT9135_V1_FW:
+               it913x_config.firmware_ver = 1;
+               it913x_config.adc_x2 = 1;
+               props->firmware = fw_it9135_v1;
+               break;
+       case IT9135_V2_FW:
+               it913x_config.firmware_ver = 1;
+               it913x_config.adc_x2 = 1;
+               props->firmware = fw_it9135_v2;
+               break;
+       case IT9137_FW:
+       default:
+               it913x_config.firmware_ver = 0;
+               it913x_config.adc_x2 = 0;
+               props->firmware = fw_it9137;
+       }
+
+       return 0;
+}
+
+#define TS_MPEG_PKT_SIZE       188
+#define EP_LOW                 21
+#define TS_BUFFER_SIZE_PID     (EP_LOW*TS_MPEG_PKT_SIZE)
+#define EP_HIGH                        348
+#define TS_BUFFER_SIZE_MAX     (EP_HIGH*TS_MPEG_PKT_SIZE)
+
 static int it913x_identify_state(struct usb_device *udev,
                struct dvb_usb_device_properties *props,
                struct dvb_usb_device_description **desc,
@@ -359,6 +446,19 @@ static int it913x_identify_state(struct usb_device *udev,
        /* checnk for dual mode */
        it913x_config.dual_mode =  it913x_read_reg(udev, 0x49c5);
 
+       if (udev->speed != USB_SPEED_HIGH) {
+               props->adapter[0].fe[0].pid_filter_count = 5;
+               info("USB 1 low speed mode - connect to USB 2 port");
+               if (pid_filter > 0)
+                       pid_filter = 0;
+               if (it913x_config.dual_mode) {
+                       it913x_config.dual_mode = 0;
+                       info("Dual mode not supported in USB 1");
+               }
+       } else /* For replugging */
+               if(props->adapter[0].fe[0].pid_filter_count == 5)
+                       props->adapter[0].fe[0].pid_filter_count = 31;
+
        /* TODO different remotes */
        remote = it913x_read_reg(udev, 0x49ac); /* Remote */
        if (remote == 0)
@@ -370,6 +470,28 @@ static int it913x_identify_state(struct usb_device *udev,
        info("Dual mode=%x Remote=%x Tuner Type=%x", it913x_config.dual_mode
                , remote, it913x_config.tuner_id_0);
 
+       /* Select Stream Buffer Size and pid filter option*/
+       if (pid_filter) {
+               props->adapter[0].fe[0].stream.u.bulk.buffersize =
+                       TS_BUFFER_SIZE_MAX;
+               props->adapter[0].fe[0].caps &=
+                       ~DVB_USB_ADAP_NEED_PID_FILTERING;
+       } else
+               props->adapter[0].fe[0].stream.u.bulk.buffersize =
+                       TS_BUFFER_SIZE_PID;
+
+       if (it913x_config.dual_mode) {
+               props->adapter[1].fe[0].stream.u.bulk.buffersize =
+                       props->adapter[0].fe[0].stream.u.bulk.buffersize;
+               props->num_adapters = 2;
+               if (pid_filter)
+                       props->adapter[1].fe[0].caps =
+                               props->adapter[0].fe[0].caps;
+       } else
+               props->num_adapters = 1;
+
+       ret = ite_firmware_select(udev, props);
+
        if (firm_no > 0) {
                *cold = 0;
                return 0;
@@ -391,18 +513,22 @@ static int it913x_identify_state(struct usb_device *udev,
                                ret = it913x_wr_reg(udev, DEV_0,
                                        GPIOH1_O, 0x0);
                }
-               props->num_adapters = 2;
-       } else
-               props->num_adapters = 1;
+       }
 
        reg = it913x_read_reg(udev, IO_MUX_POWER_CLK);
 
        if (it913x_config.dual_mode) {
                ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, CHIP2_I2C_ADDR);
-               ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x1);
+               if (it913x_config.firmware_ver == 1)
+                       ret |= it913x_wr_reg(udev, DEV_0,  0xcfff, 0x1);
+               else
+                       ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x1);
        } else {
                ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, 0x0);
-               ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x0);
+               if (it913x_config.firmware_ver == 1)
+                       ret |= it913x_wr_reg(udev, DEV_0,  0xcfff, 0x0);
+               else
+                       ret |= it913x_wr_reg(udev, DEV_0,  CLK_O_EN, 0x0);
        }
 
        *cold = 1;
@@ -428,35 +554,45 @@ static int it913x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
        return ret;
 }
 
-
 static int it913x_download_firmware(struct usb_device *udev,
                                        const struct firmware *fw)
 {
-       int ret = 0, i;
-       u8 packet_size, dlen;
+       int ret = 0, i = 0, pos = 0;
+       u8 packet_size, min_pkt;
        u8 *fw_data;
 
-       packet_size = 0x29;
-
        ret = it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_100);
 
        info("FRM Starting Firmware Download");
-       /* This uses scatter write firmware headers follow */
-       /* 03 XX 00     XX = chip number? */ 
-
-       for (i = 0; i < fw->size; i += packet_size) {
-                       if (i > 0)
-                               packet_size = 0x39;
-                       fw_data = (u8 *)(fw->data + i);
-                       dlen = ((i + packet_size) > fw->size)
-                               ? (fw->size - i) : packet_size;
-                       ret |= it913x_io(udev, WRITE_DATA, DEV_0,
-                               CMD_SCATTER_WRITE, 0, 0, fw_data, dlen);
-                       udelay(1000);
+
+       /* Multi firmware loader */
+       /* This uses scatter write firmware headers */
+       /* The firmware must start with 03 XX 00 */
+       /* and be the extact firmware length */
+
+       if (it913x_config.chip_ver == 2)
+               min_pkt = 0x11;
+       else
+               min_pkt = 0x19;
+
+       while (i <= fw->size) {
+               if (((fw->data[i] == 0x3) && (fw->data[i + 2] == 0x0))
+                       || (i == fw->size)) {
+                       packet_size = i - pos;
+                       if ((packet_size > min_pkt) || (i == fw->size)) {
+                               fw_data = (u8 *)(fw->data + pos);
+                               pos += packet_size;
+                               if (packet_size > 0)
+                                       ret |= it913x_io(udev, WRITE_DATA,
+                                               DEV_0, CMD_SCATTER_WRITE, 0,
+                                               0, fw_data, packet_size);
+                               udelay(1000);
+                       }
+               }
+               i++;
        }
 
-       ret |= it913x_io(udev, WRITE_CMD, DEV_0,
-                       CMD_BOOT, 0, 0, NULL, 0);
+       ret |= it913x_io(udev, WRITE_CMD, DEV_0, CMD_BOOT, 0, 0, NULL, 0);
 
        msleep(100);
 
@@ -474,12 +610,17 @@ static int it913x_download_firmware(struct usb_device *udev,
        /* Tuner function */
        if (it913x_config.dual_mode)
                ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0xa0);
-
-       ret |= it913x_wr_reg(udev, DEV_0,  PADODPU, 0x0);
-       ret |= it913x_wr_reg(udev, DEV_0,  AGC_O_D, 0x0);
-       if (it913x_config.dual_mode) {
-               ret |= it913x_wr_reg(udev, DEV_1,  PADODPU, 0x0);
-               ret |= it913x_wr_reg(udev, DEV_1,  AGC_O_D, 0x0);
+       else
+               ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0x68);
+
+       if ((it913x_config.chip_ver == 1) &&
+               (it913x_config.chip_type == 0x9135)) {
+               ret |= it913x_wr_reg(udev, DEV_0,  PADODPU, 0x0);
+               ret |= it913x_wr_reg(udev, DEV_0,  AGC_O_D, 0x0);
+               if (it913x_config.dual_mode) {
+                       ret |= it913x_wr_reg(udev, DEV_1,  PADODPU, 0x0);
+                       ret |= it913x_wr_reg(udev, DEV_1,  AGC_O_D, 0x0);
+               }
        }
 
        return (ret < 0) ? -ENODEV : 0;
@@ -500,32 +641,23 @@ static int it913x_name(struct dvb_usb_adapter *adap)
 static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
 {
        struct usb_device *udev = adap->dev->udev;
+       struct it913x_state *st = adap->dev->priv;
        int ret = 0;
-       u8 adf = it913x_read_reg(udev, IO_MUX_POWER_CLK);
        u8 adap_addr = I2C_BASE_ADDR + (adap->id << 5);
-       u16 ep_size = adap->props.fe[0].stream.u.bulk.buffersize;
-       u8 tuner_id, tuner_type;
+       u16 ep_size = adap->props.fe[0].stream.u.bulk.buffersize / 4;
+       u8 pkt_size = 0x80;
+
+       if (adap->dev->udev->speed != USB_SPEED_HIGH)
+               pkt_size = 0x10;
+
+       it913x_config.adf = it913x_read_reg(udev, IO_MUX_POWER_CLK);
 
        if (adap->id == 0)
-               tuner_id = it913x_config.tuner_id_0;
-       else
-               tuner_id = it913x_config.tuner_id_1;
-
-       /* TODO we always use IT9137 possible references here*/
-       /* Documentation suggests don't care */
-       switch (tuner_id) {
-       case 0x51:
-       case 0x52:
-       case 0x60:
-       case 0x61:
-       case 0x62:
-       default:
-       case 0x38:
-               tuner_type = IT9137;
-       }
+               memcpy(&st->it913x_config, &it913x_config,
+                       sizeof(struct ite_config));
 
        adap->fe_adap[0].fe = dvb_attach(it913x_fe_attach,
-               &adap->dev->i2c_adap, adap_addr, adf, tuner_type);
+               &adap->dev->i2c_adap, adap_addr, &st->it913x_config);
 
        if (adap->id == 0 && adap->fe_adap[0].fe) {
                ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x1);
@@ -536,13 +668,13 @@ static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
                ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_LSB,
                                        ep_size & 0xff);
                ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8);
-               ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, 0x80);
+               ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, pkt_size);
        } else if (adap->id == 1 && adap->fe_adap[0].fe) {
                ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x6f);
                ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_LSB,
                                        ep_size & 0xff);
                ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8);
-               ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, 0x80);
+               ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, pkt_size);
                ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_EN, 0x1);
                ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_SERIAL, 0x1);
                ret = it913x_wr_reg(udev, DEV_1, TOP_HOSTB_SER_MODE, 0x1);
@@ -582,6 +714,9 @@ static int it913x_probe(struct usb_interface *intf,
 static struct usb_device_id it913x_table[] = {
        { USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09) },
        { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135) },
+       { USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137) },
+       { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005) },
+       { USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006) },
        {}              /* Terminating entry */
 };
 
@@ -614,8 +749,8 @@ static struct dvb_usb_device_properties it913x_properties = {
                                .endpoint = 0x04,
                                .u = {/* Keep Low if PID filter on */
                                        .bulk = {
-                                               .buffersize = 3584,
-
+                                       .buffersize =
+                                               TS_BUFFER_SIZE_PID,
                                        }
                                }
                        }
@@ -639,8 +774,8 @@ static struct dvb_usb_device_properties it913x_properties = {
                                .endpoint = 0x05,
                                .u = {
                                        .bulk = {
-                                               .buffersize = 3584,
-
+                                               .buffersize =
+                                                       TS_BUFFER_SIZE_PID,
                                        }
                                }
                        }
@@ -654,10 +789,10 @@ static struct dvb_usb_device_properties it913x_properties = {
                .rc_query       = it913x_rc_query,
                .rc_interval    = IT913X_POLL,
                .allowed_protos = RC_TYPE_NEC,
-               .rc_codes       = RC_MAP_KWORLD_315U,
+               .rc_codes       = RC_MAP_MSI_DIGIVOX_III,
        },
        .i2c_algo         = &it913x_i2c_algo,
-       .num_device_descs = 2,
+       .num_device_descs = 5,
        .devices = {
                {   "Kworld UB499-2T T09(IT9137)",
                        { &it913x_table[0], NULL },
@@ -665,6 +800,15 @@ static struct dvb_usb_device_properties it913x_properties = {
                {   "ITE 9135 Generic",
                        { &it913x_table[1], NULL },
                        },
+               {   "Sveon STV22 Dual DVB-T HDTV(IT9137)",
+                       { &it913x_table[2], NULL },
+                       },
+               {   "ITE 9135(9005) Generic",
+                       { &it913x_table[3], NULL },
+                       },
+               {   "ITE 9135(9006) Generic",
+                       { &it913x_table[4], NULL },
+                       },
        }
 };
 
@@ -679,5 +823,5 @@ module_usb_driver(it913x_driver);
 
 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
 MODULE_DESCRIPTION("it913x USB 2 Driver");
-MODULE_VERSION("1.07");
+MODULE_VERSION("1.22");
 MODULE_LICENSE("GPL");