[media] cx23855: add support for DVBSky T980C (no CI support)

This patch adds basic support for DVBSky T980C card. CI interface is not supported.

DVBSky T980C is a PCIe card with the following components:
- CX23885 PCIe bridge
- Si2168-A20 demodulator
- Si2158-A20 tuner
- CIMaX SP2 CI chip

The demodulator and tuner need firmware. They're the same as used with TT CT2-4650 CI:
https://www.mail-archive.com/linux-media@vger.kernel.org/msg78033.html

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c
index 88c257d1161b..e8965e63eb09 100644
--- a/drivers/media/pci/cx23885/cx23885-cards.c
+++ b/drivers/media/pci/cx23885/cx23885-cards.c
@@ -680,6 +680,10 @@ struct cx23885_board cx23885_boards[] = {
 		.portb		= CX23885_MPEG_DVB,
 		.portc		= CX23885_MPEG_DVB,
 	},
+	[CX23885_BOARD_DVBSKY_T980C] = {
+		.name		= "DVBSky T980C",
+		.portb		= CX23885_MPEG_DVB,
+	},
 };
 const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards);
 
@@ -939,6 +943,10 @@ struct cx23885_subid cx23885_subids[] = {
 		.subvendor = 0x4254,
 		.subdevice = 0x9580,
 		.card      = CX23885_BOARD_DVBSKY_T9580,
+	}, {
+		.subvendor = 0x4254,
+		.subdevice = 0x980c,
+		.card      = CX23885_BOARD_DVBSKY_T980C,
 	},
 };
 const unsigned int cx23885_idcount = ARRAY_SIZE(cx23885_subids);
@@ -1541,6 +1549,36 @@ void cx23885_gpio_setup(struct cx23885_dev *dev)
 		mdelay(100);
 		cx23885_gpio_set(dev, GPIO_2 | GPIO_11);
 		break;
+	case CX23885_BOARD_DVBSKY_T980C:
+		/*
+		 * GPIO-0 INTA from CiMax, input
+		 * GPIO-1 reset CiMax, output, high active
+		 * GPIO-2 reset demod, output, low active
+		 * GPIO-3 to GPIO-10 data/addr for CAM
+		 * GPIO-11 ~CS0 to CiMax1
+		 * GPIO-12 ~CS1 to CiMax2
+		 * GPIO-13 ADL0 load LSB addr
+		 * GPIO-14 ADL1 load MSB addr
+		 * GPIO-15 ~RDY from CiMax
+		 * GPIO-17 ~RD to CiMax
+		 * GPIO-18 ~WR to CiMax
+		 */
+
+		cx_set(GP0_IO, 0x00060002); /* GPIO 1/2 as output */
+		cx_clear(GP0_IO, 0x00010004); /* GPIO 0 as input */
+		mdelay(100); /* reset delay */
+		cx_set(GP0_IO, 0x00060004); /* GPIO as out, reset high */
+		cx_clear(GP0_IO, 0x00010002);
+		cx_write(MC417_CTL, 0x00000037); /* enable GPIO3-18 pins */
+
+		/* GPIO-15 IN as ~ACK, rest as OUT */
+		cx_write(MC417_OEN, 0x00001000);
+
+		/* ~RD, ~WR high; ADL0, ADL1 low; ~CS0, ~CS1 high */
+		cx_write(MC417_RWD, 0x0000c300);
+
+		/* enable irq */
+		cx_write(GPIO_ISM, 0x00000000); /* INTERRUPTS active low */
 	}
 }
 
@@ -1817,6 +1855,7 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 	case CX23885_BOARD_TEVII_S471:
 	case CX23885_BOARD_DVBWORLD_2005:
 	case CX23885_BOARD_PROF_8000:
+	case CX23885_BOARD_DVBSKY_T980C:
 		ts1->gen_ctrl_val  = 0x5; /* Parallel */
 		ts1->ts_clk_en_val = 0x1; /* Enable TS_CLK */
 		ts1->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
@@ -1935,6 +1974,7 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 	case CX23885_BOARD_TBS_6980:
 	case CX23885_BOARD_TBS_6981:
 	case CX23885_BOARD_DVBSKY_T9580:
+	case CX23885_BOARD_DVBSKY_T980C:
 		dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 				&dev->i2c_bus[2].i2c_adap,
 				"cx25840", 0x88 >> 1, NULL);