[media] Add initial support for Terratec H5
Not working yet. There are some fixes at the DRX-K that are needed
for it to work.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index 012ab8e..b8686c1 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -1,7 +1,7 @@
/*
DVB device driver for em28xx
- (c) 2008 Mauro Carvalho Chehab <mchehab@infradead.org>
+ (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
(c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
- Fixes for the driver to properly work with HVR-950
@@ -40,6 +40,8 @@
#include "s921.h"
#include "drxd.h"
#include "cxd2820r.h"
+#include "tda18271c2dd.h"
+#include "drxk.h"
MODULE_DESCRIPTION("driver for em28xx based DVB cards");
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
@@ -73,6 +75,10 @@
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
+
+ /* Due to DRX-D - probably need changes */
+ int (*gate_ctrl)(struct dvb_frontend *, int);
+ struct semaphore pll_mutex;
};
@@ -295,6 +301,78 @@
.disable_i2c_gate_ctrl = 1,
};
+#define TERRATEC_H5_DRXK_I2C_ADDR 0x29
+
+struct drxk_config terratec_h5_drxk = {
+ .adr = 0x29,
+};
+
+static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct em28xx_dvb *dvb = fe->sec_priv;
+ int status;
+
+ if (!dvb)
+ return -EINVAL;
+
+ if (enable) {
+ down(&dvb->pll_mutex);
+ status = dvb->gate_ctrl(fe, 1);
+ } else {
+ status = dvb->gate_ctrl(fe, 0);
+ up(&dvb->pll_mutex);
+ }
+ return status;
+}
+
+static void terratec_h5_init(struct em28xx *dev)
+{
+ int i;
+ struct em28xx_reg_seq terratec_h5_init[] = {
+ {EM28XX_R08_GPIO, 0xff, 0xff, 10},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xf2, 0xff, 50},
+ {EM2874_R80_GPIO, 0xf6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+ struct em28xx_reg_seq terratec_h5_end[] = {
+ {EM2874_R80_GPIO, 0xe6, 0xff, 100},
+ {EM2874_R80_GPIO, 0xa6, 0xff, 50},
+ {EM2874_R80_GPIO, 0xe6, 0xff, 100},
+ { -1, -1, -1, -1},
+ };
+ 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},
+ {{ 0x04, 0x00 }, 2},
+ {{ 0x00, 0x04 }, 2},
+ {{ 0x00, 0x04, 0x00, 0x0a }, 4},
+ {{ 0x04, 0x14 }, 2},
+ {{ 0x04, 0x14, 0x00, 0x00 }, 4},
+ };
+
+ em28xx_gpio_set(dev, terratec_h5_init);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
+ msleep(10);
+ em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
+ msleep(10);
+
+ dev->i2c_client.addr = 0x82 >> 1;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++)
+ i2c_master_send(&dev->i2c_client, regs[i].r, regs[i].len);
+ em28xx_gpio_set(dev, terratec_h5_end);
+};
+
static int mt352_terratec_xs_init(struct dvb_frontend *fe)
{
/* Values extracted from a USB trace of the Terratec Windows driver */
@@ -689,6 +767,36 @@
}
}
break;
+ case EM2884_BOARD_TERRATEC_H5:
+ terratec_h5_init(dev);
+
+ /* dvb->fe[1] will be DVB-C, and dvb->fe[0] will be DVB-T */
+ dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap, &dvb->fe[1]);
+ if (!dvb->fe[0] || !dvb->fe[1]) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ /* FIXME: do we need a pll semaphore? */
+ dvb->fe[0]->sec_priv = dvb;
+ sema_init(&dvb->pll_mutex, 1);
+ dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
+ dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+ dvb->fe[1]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+ dvb->fe[1]->id = 1;
+
+ /* Attach tda18271 */
+ if (dvb->fe[0]->ops.i2c_gate_ctrl)
+ dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
+ if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap, 0x60)) {
+ result = -EINVAL;
+ goto out_free;
+ }
+ if (dvb->fe[0]->ops.i2c_gate_ctrl)
+ dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
+ if (dvb->fe[1]->ops.i2c_gate_ctrl)
+ dvb->fe[1]->ops.i2c_gate_ctrl(dvb->fe[1], 1);
+
+ break;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");
