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path: root/drivers/media/video/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-dvb.c96
1 files changed, 88 insertions, 8 deletions
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index aabbf4854f6..503a8d5b538 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -61,9 +61,6 @@ if (debug >= level) \
printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \
} while (0)
-#define EM28XX_DVB_NUM_BUFS 5
-#define EM28XX_DVB_MAX_PACKETS 64
-
struct em28xx_dvb {
struct dvb_frontend *fe[2];
@@ -172,20 +169,21 @@ static int em28xx_start_streaming(struct em28xx_dvb *dvb)
max_dvb_packet_size = dev->dvb_max_pkt_size;
if (max_dvb_packet_size < 0)
return max_dvb_packet_size;
- dprintk(1, "Using %d buffers each with %d bytes\n",
+ dprintk(1, "Using %d buffers each with %d x %d bytes\n",
EM28XX_DVB_NUM_BUFS,
+ EM28XX_DVB_MAX_PACKETS,
max_dvb_packet_size);
- return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS,
- EM28XX_DVB_NUM_BUFS, max_dvb_packet_size,
- em28xx_dvb_isoc_copy);
+ return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE,
+ EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS,
+ max_dvb_packet_size, em28xx_dvb_isoc_copy);
}
static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
{
struct em28xx *dev = dvb->adapter.priv;
- em28xx_uninit_isoc(dev);
+ em28xx_capture_start(dev, 0);
em28xx_set_mode(dev, EM28XX_SUSPEND);
@@ -327,6 +325,19 @@ struct drxk_config hauppauge_930c_drxk = {
.chunk_size = 56,
};
+struct drxk_config maxmedia_ub425_tc_drxk = {
+ .adr = 0x29,
+ .single_master = 1,
+ .no_i2c_bridge = 1,
+};
+
+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;
@@ -460,6 +471,33 @@ static void terratec_h5_init(struct em28xx *dev)
em28xx_gpio_set(dev, terratec_h5_end);
};
+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 */
@@ -938,6 +976,48 @@ static int em28xx_dvb_init(struct em28xx *dev)
dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap,
&em28xx_a8293_config);
break;
+ case EM2874_BOARD_MAXMEDIA_UB425_TC:
+ /* attach demodulator */
+ dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
+ &dev->i2c_adap);
+
+ if (dvb->fe[0]) {
+ /* disable I2C-gate */
+ dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
+
+ /* attach tuner */
+ if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0],
+ &dev->i2c_adap, 0x60)) {
+ dvb_frontend_detach(dvb->fe[0]);
+ result = -EINVAL;
+ goto out_free;
+ }
+ }
+
+ /* TODO: we need drx-3913k firmware in order to support DVB-T */
+ em28xx_info("MaxMedia UB425-TC: only DVB-C supported by that " \
+ "driver version\n");
+
+ 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);
+
+ 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;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");