[media] it913x [VER 1.07] Support for single ITE 9135 devices
authorMalcolm Priestley <tvboxspy@gmail.com>
Fri, 14 Oct 2011 22:54:11 +0000 (19:54 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Thu, 3 Nov 2011 20:33:58 +0000 (18:33 -0200)
Support for single ITE 9135 device.

Only single devices have been tested.  Dual ITE 9135 devices
should work, but have not been tested.

TODOs
support for ver 2 chip
config for other tuner types.
rework of firmware file.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/dvb-usb/dvb-usb-ids.h
drivers/media/dvb/dvb-usb/it913x.c

index 2ad33ba..2d08c9b 100644 (file)
@@ -37,6 +37,7 @@
 #define USB_VID_HAUPPAUGE                      0x2040
 #define USB_VID_HYPER_PALTEK                   0x1025
 #define USB_VID_INTEL                          0x8086
+#define USB_VID_ITETECH                                0x048d
 #define USB_VID_KWORLD                         0xeb2a
 #define USB_VID_KWORLD_2                       0x1b80
 #define USB_VID_KYE                            0x0458
 #define USB_PID_GRANDTEC_DVBT_USB_COLD                 0x0fa0
 #define USB_PID_GRANDTEC_DVBT_USB_WARM                 0x0fa1
 #define USB_PID_INTEL_CE9500                           0x9500
+#define USB_PID_ITETECH_IT9135                         0x9135
 #define USB_PID_KWORLD_399U                            0xe399
 #define USB_PID_KWORLD_399U_2                          0xe400
 #define USB_PID_KWORLD_395U                            0xe396
index f027a2c..c462261 100644 (file)
@@ -60,6 +60,17 @@ 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;
+
 static int it913x_bulk_write(struct usb_device *dev,
                                u8 *snd, int len, u8 pipe)
 {
@@ -191,18 +202,23 @@ static int it913x_read_reg(struct usb_device *udev, u32 reg)
 static u32 it913x_query(struct usb_device *udev, u8 pro)
 {
        int ret;
-       u32 res = 0;
        u8 data[4];
        ret = it913x_io(udev, READ_LONG, pro, CMD_DEMOD_READ,
-               0x1222, 0, &data[0], 1);
-       if (data[0] == 0x1) {
-               ret = it913x_io(udev, READ_SHORT, pro,
+               0x1222, 0, &data[0], 3);
+
+       it913x_config.chip_ver = data[0];
+       it913x_config.chip_type = (u16)(data[2] << 8) + data[1];
+
+       info("Chip Version=%02x Chip Type=%04x", it913x_config.chip_ver,
+               it913x_config.chip_type);
+
+       ret |= it913x_io(udev, READ_SHORT, pro,
                        CMD_QUERYINFO, 0, 0x1, &data[0], 4);
-               res = (data[0] << 24) + (data[1] << 16) +
+
+       it913x_config.firmware = (data[0] << 24) + (data[1] << 16) +
                        (data[2] << 8) + data[3];
-       }
 
-       return (ret < 0) ? 0 : res;
+       return (ret < 0) ? 0 : it913x_config.firmware;
 }
 
 static int it913x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
@@ -336,26 +352,35 @@ static int it913x_identify_state(struct usb_device *udev,
                int *cold)
 {
        int ret = 0, firm_no;
-       u8 reg, adap, ep, tun0, tun1;
+       u8 reg, remote;
 
        firm_no = it913x_return_status(udev);
 
-       ep = it913x_read_reg(udev, 0x49ac);
-       adap = it913x_read_reg(udev, 0x49c5);
-       tun0 = it913x_read_reg(udev, 0x49d0);
-       info("No. Adapters=%x Endpoints=%x Tuner Type=%x", adap, ep, tun0);
+       /* checnk for dual mode */
+       it913x_config.dual_mode =  it913x_read_reg(udev, 0x49c5);
+
+       /* TODO different remotes */
+       remote = it913x_read_reg(udev, 0x49ac); /* Remote */
+       if (remote == 0)
+               props->rc.core.rc_codes = NULL;
+
+       /* TODO at the moment tuner_id is always assigned to 0x38 */
+       it913x_config.tuner_id_0 = it913x_read_reg(udev, 0x49d0);
+
+       info("Dual mode=%x Remote=%x Tuner Type=%x", it913x_config.dual_mode
+               , remote, it913x_config.tuner_id_0);
 
        if (firm_no > 0) {
                *cold = 0;
                return 0;
        }
 
-       if (adap > 2) {
-               tun1 = it913x_read_reg(udev, 0x49e0);
+       if (it913x_config.dual_mode) {
+               it913x_config.tuner_id_1 = it913x_read_reg(udev, 0x49e0);
                ret = it913x_wr_reg(udev, DEV_0, GPIOH1_EN, 0x1);
                ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_ON, 0x1);
                ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x1);
-               msleep(50); /* Delay noticed reset cycle ? */
+               msleep(50);
                ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x0);
                msleep(50);
                reg = it913x_read_reg(udev, GPIOH1_O);
@@ -366,14 +391,19 @@ 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);
 
-       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.dual_mode) {
+               ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, CHIP2_I2C_ADDR);
+               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);
+       }
 
        *cold = 1;
 
@@ -403,13 +433,11 @@ static int it913x_download_firmware(struct usb_device *udev,
                                        const struct firmware *fw)
 {
        int ret = 0, i;
-       u8 packet_size, dlen, tun1;
+       u8 packet_size, dlen;
        u8 *fw_data;
 
        packet_size = 0x29;
 
-       tun1 = it913x_read_reg(udev, 0x49e0);
-
        ret = it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_100);
 
        info("FRM Starting Firmware Download");
@@ -444,11 +472,12 @@ static int it913x_download_firmware(struct usb_device *udev,
        ret |= it913x_wr_reg(udev, DEV_0,  I2C_CLK, I2C_CLK_400);
 
        /* Tuner function */
-       ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0xa0);
+       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 (tun1 > 0) {
+       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);
        }
@@ -475,9 +504,28 @@ static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
        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;
+
+       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;
+       }
 
        adap->fe_adap[0].fe = dvb_attach(it913x_fe_attach,
-               &adap->dev->i2c_adap, adap_addr, adf, IT9137);
+               &adap->dev->i2c_adap, adap_addr, adf, tuner_type);
 
        if (adap->id == 0 && adap->fe_adap[0].fe) {
                ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x1);
@@ -533,6 +581,7 @@ 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) },
        {}              /* Terminating entry */
 };
 
@@ -608,12 +657,14 @@ static struct dvb_usb_device_properties it913x_properties = {
                .rc_codes       = RC_MAP_KWORLD_315U,
        },
        .i2c_algo         = &it913x_i2c_algo,
-       .num_device_descs = 1,
+       .num_device_descs = 2,
        .devices = {
                {   "Kworld UB499-2T T09(IT9137)",
                        { &it913x_table[0], NULL },
                        },
-
+               {   "ITE 9135 Generic",
+                       { &it913x_table[1], NULL },
+                       },
        }
 };
 
@@ -647,5 +698,5 @@ module_exit(it913x_module_exit);
 
 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
 MODULE_DESCRIPTION("it913x USB 2 Driver");
-MODULE_VERSION("1.06");
+MODULE_VERSION("1.07");
 MODULE_LICENSE("GPL");