[media] em28xx: support for 2304:0242 PCTV QuatroStick (510e)

[deliverable/linux.git] / drivers / media / video / em28xx / em28xx-dvb.c

diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index 398d713779301df8aadfaffc4585b9c7a8a65d36..d8dd971ad644c0abb791d5d51bed148f84ddfd5b 100644 (file)
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -338,6 +338,13 @@ struct drxk_config pctv_520e_drxk = {
        .chunk_size = 58,
 };
 
+struct drxk_config pctv_520e_drxk = {
+       .adr = 0x29,
+       .single_master = 1,
+       .microcode_name = "dvb-demod-drxk-pctv.fw",
+       .chunk_size = 58,
+};
+
 static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
        struct em28xx_dvb *dvb = fe->sec_priv;
@@ -498,6 +505,33 @@ static void pctv_520e_init(struct em28xx *dev)
                i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
 };
 
+static void pctv_520e_init(struct em28xx *dev)
+{
+       /*
+        * Init TDA8295(?) analog demodulator. Looks like I2C traffic to
+        * digital demodulator and tuner are routed via TDA8295.
+        */
+       int i;
+       struct {
+               unsigned char r[4];
+               int len;
+       } regs[] = {
+               {{ 0x06, 0x02, 0x00, 0x31 }, 4},
+               {{ 0x01, 0x02 }, 2},
+               {{ 0x01, 0x02, 0x00, 0xc6 }, 4},
+               {{ 0x01, 0x00 }, 2},
+               {{ 0x01, 0x00, 0xff, 0xaf }, 4},
+               {{ 0x01, 0x00, 0x03, 0xa0 }, 4},
+               {{ 0x01, 0x00 }, 2},
+               {{ 0x01, 0x00, 0x73, 0xaf }, 4},
+       };
+
+       dev->i2c_client.addr = 0x82 >> 1; /* 0x41 */
+
+       for (i = 0; i < ARRAY_SIZE(regs); i++)
+               i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+};
+
 static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
 {
        /* Values extracted from a USB trace of the Terratec Windows driver */
@@ -1002,6 +1036,25 @@ static int em28xx_dvb_init(struct em28xx *dev)
        case EM2884_BOARD_PCTV_520E:
                pctv_520e_init(dev);
 
+               /* attach demodulator */
+               dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
+                               &dev->i2c_adap);
+
+               if (dvb->fe[0]) {
+                       /* attach tuner */
+                       if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
+                                       &dev->i2c_adap,
+                                       &em28xx_cxd2820r_tda18271_config)) {
+                               dvb_frontend_detach(dvb->fe[0]);
+                               result = -EINVAL;
+                               goto out_free;
+                       }
+               }
+               break;
+       case EM2884_BOARD_PCTV_510E:
+       case EM2884_BOARD_PCTV_520E:
+               pctv_520e_init(dev);
+
                /* attach demodulator */
                dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
                                &dev->i2c_adap);