Linux-libre 4.2-gnu

1 files changed, 832 insertions, 0 deletions

diff --git a/drivers/media/pci/cobalt/cobalt-driver.c b/drivers/media/pci/cobalt/cobalt-driver.c
new file mode 100644
index 000000000..b994b8efd
--- /dev/null
+++ b/drivers/media/pci/cobalt/cobalt-driver.c
@@ -0,0 +1,832 @@
+/*
+ *  cobalt driver initialization and card probing
+ *
+ *  Derived from cx18-driver.c
+ *
+ *  Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
+ *  All rights reserved.
+ *
+ *  This program is free software; you may redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ *  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ *  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include <media/adv7604.h>
+#include <media/adv7842.h>
+#include <media/adv7511.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ctrls.h>
+
+#include "cobalt-driver.h"
+#include "cobalt-irq.h"
+#include "cobalt-i2c.h"
+#include "cobalt-v4l2.h"
+#include "cobalt-flash.h"
+#include "cobalt-alsa.h"
+#include "cobalt-omnitek.h"
+
+/* add your revision and whatnot here */
+static struct pci_device_id cobalt_pci_tbl[] = {
+	{PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_COBALT,
+	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{0,}
+};
+
+MODULE_DEVICE_TABLE(pci, cobalt_pci_tbl);
+
+static atomic_t cobalt_instance = ATOMIC_INIT(0);
+
+int cobalt_debug;
+module_param_named(debug, cobalt_debug, int, 0644);
+MODULE_PARM_DESC(debug, "Debug level. Default: 0\n");
+
+int cobalt_ignore_err;
+module_param_named(ignore_err, cobalt_ignore_err, int, 0644);
+MODULE_PARM_DESC(ignore_err,
+	"If set then ignore missing i2c adapters/receivers. Default: 0\n");
+
+MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com> & Morten Hestnes");
+MODULE_DESCRIPTION("cobalt driver");
+MODULE_LICENSE("GPL");
+
+static u8 edid[256] = {
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0x50, 0x21, 0x9C, 0x27, 0x00, 0x00, 0x00, 0x00,
+	0x19, 0x12, 0x01, 0x03, 0x80, 0x00, 0x00, 0x78,
+	0x0E, 0x00, 0xB2, 0xA0, 0x57, 0x49, 0x9B, 0x26,
+	0x10, 0x48, 0x4F, 0x2F, 0xCF, 0x00, 0x31, 0x59,
+	0x45, 0x59, 0x61, 0x59, 0x81, 0x99, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3A,
+	0x80, 0x18, 0x71, 0x38, 0x2D, 0x40, 0x58, 0x2C,
+	0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1E,
+	0x00, 0x00, 0x00, 0xFD, 0x00, 0x31, 0x55, 0x18,
+	0x5E, 0x11, 0x00, 0x0A, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x43,
+	0x20, 0x39, 0x30, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A,
+	0x0A, 0x0A, 0x0A, 0x0A, 0x00, 0x00, 0x00, 0x10,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x68,
+	0x02, 0x03, 0x1a, 0xc0, 0x48, 0xa2, 0x10, 0x04,
+	0x02, 0x01, 0x21, 0x14, 0x13, 0x23, 0x09, 0x07,
+	0x07, 0x65, 0x03, 0x0c, 0x00, 0x10, 0x00, 0xe2,
+	0x00, 0x2a, 0x01, 0x1d, 0x00, 0x80, 0x51, 0xd0,
+	0x1c, 0x20, 0x40, 0x80, 0x35, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x1e, 0x8c, 0x0a, 0xd0, 0x8a,
+	0x20, 0xe0, 0x2d, 0x10, 0x10, 0x3e, 0x96, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd7
+};
+
+static void cobalt_set_interrupt(struct cobalt *cobalt, bool enable)
+{
+	if (enable) {
+		unsigned irqs = COBALT_SYSSTAT_VI0_INT1_MSK |
+				COBALT_SYSSTAT_VI1_INT1_MSK |
+				COBALT_SYSSTAT_VI2_INT1_MSK |
+				COBALT_SYSSTAT_VI3_INT1_MSK |
+				COBALT_SYSSTAT_VI0_INT2_MSK |
+				COBALT_SYSSTAT_VI1_INT2_MSK |
+				COBALT_SYSSTAT_VI2_INT2_MSK |
+				COBALT_SYSSTAT_VI3_INT2_MSK |
+				COBALT_SYSSTAT_VI0_LOST_DATA_MSK |
+				COBALT_SYSSTAT_VI1_LOST_DATA_MSK |
+				COBALT_SYSSTAT_VI2_LOST_DATA_MSK |
+				COBALT_SYSSTAT_VI3_LOST_DATA_MSK |
+				COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK;
+
+		if (cobalt->have_hsma_rx)
+			irqs |= COBALT_SYSSTAT_VIHSMA_INT1_MSK |
+				COBALT_SYSSTAT_VIHSMA_INT2_MSK |
+				COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK;
+
+		if (cobalt->have_hsma_tx)
+			irqs |= COBALT_SYSSTAT_VOHSMA_INT1_MSK |
+				COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK |
+				COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK;
+		/* Clear any existing interrupts */
+		cobalt_write_bar1(cobalt, COBALT_SYS_STAT_EDGE, 0xffffffff);
+		/* PIO Core interrupt mask register.
+		   Enable ADV7604 INT1 interrupts */
+		cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, irqs);
+	} else {
+		/* Disable all ADV7604 interrupts */
+		cobalt_write_bar1(cobalt, COBALT_SYS_STAT_MASK, 0);
+	}
+}
+
+static unsigned cobalt_get_sd_nr(struct v4l2_subdev *sd)
+{
+	struct cobalt *cobalt = to_cobalt(sd->v4l2_dev);
+	unsigned i;
+
+	for (i = 0; i < COBALT_NUM_NODES; i++)
+		if (sd == cobalt->streams[i].sd)
+			return i;
+	cobalt_err("Invalid adv7604 subdev pointer!\n");
+	return 0;
+}
+
+static void cobalt_notify(struct v4l2_subdev *sd,
+			  unsigned int notification, void *arg)
+{
+	struct cobalt *cobalt = to_cobalt(sd->v4l2_dev);
+	unsigned sd_nr = cobalt_get_sd_nr(sd);
+	struct cobalt_stream *s = &cobalt->streams[sd_nr];
+	bool hotplug = arg ? *((int *)arg) : false;
+
+	if (s->is_output)
+		return;
+
+	switch (notification) {
+	case ADV76XX_HOTPLUG:
+		cobalt_s_bit_sysctrl(cobalt,
+			COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(sd_nr), hotplug);
+		cobalt_dbg(1, "Set hotplug for adv %d to %d\n", sd_nr, hotplug);
+		break;
+	case V4L2_DEVICE_NOTIFY_EVENT:
+		cobalt_dbg(1, "Format changed for adv %d\n", sd_nr);
+		v4l2_event_queue(&s->vdev, arg);
+		break;
+	default:
+		break;
+	}
+}
+
+static int get_payload_size(u16 code)
+{
+	switch (code) {
+	case 0: return 128;
+	case 1: return 256;
+	case 2: return 512;
+	case 3: return 1024;
+	case 4: return 2048;
+	case 5: return 4096;
+	default: return 0;
+	}
+	return 0;
+}
+
+static const char *get_link_speed(u16 stat)
+{
+	switch (stat & PCI_EXP_LNKSTA_CLS) {
+	case 1:	return "2.5 Gbit/s";
+	case 2:	return "5 Gbit/s";
+	case 3:	return "10 Gbit/s";
+	}
+	return "Unknown speed";
+}
+
+void cobalt_pcie_status_show(struct cobalt *cobalt)
+{
+	struct pci_dev *pci_dev = cobalt->pci_dev;
+	struct pci_dev *pci_bus_dev = cobalt->pci_dev->bus->self;
+	int offset;
+	int bus_offset;
+	u32 capa;
+	u16 stat, ctrl;
+
+	offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
+	bus_offset = pci_find_capability(pci_bus_dev, PCI_CAP_ID_EXP);
+
+	/* Device */
+	pci_read_config_dword(pci_dev, offset + PCI_EXP_DEVCAP, &capa);
+	pci_read_config_word(pci_dev, offset + PCI_EXP_DEVCTL, &ctrl);
+	pci_read_config_word(pci_dev, offset + PCI_EXP_DEVSTA, &stat);
+	cobalt_info("PCIe device capability 0x%08x: Max payload %d\n",
+		    capa, get_payload_size(capa & PCI_EXP_DEVCAP_PAYLOAD));
+	cobalt_info("PCIe device control 0x%04x: Max payload %d. Max read request %d\n",
+		    ctrl,
+		    get_payload_size((ctrl & PCI_EXP_DEVCTL_PAYLOAD) >> 5),
+		    get_payload_size((ctrl & PCI_EXP_DEVCTL_READRQ) >> 12));
+	cobalt_info("PCIe device status 0x%04x\n", stat);
+
+	/* Link */
+	pci_read_config_dword(pci_dev, offset + PCI_EXP_LNKCAP, &capa);
+	pci_read_config_word(pci_dev, offset + PCI_EXP_LNKCTL, &ctrl);
+	pci_read_config_word(pci_dev, offset + PCI_EXP_LNKSTA, &stat);
+	cobalt_info("PCIe link capability 0x%08x: %s per lane and %u lanes\n",
+			capa, get_link_speed(capa),
+			(capa & PCI_EXP_LNKCAP_MLW) >> 4);
+	cobalt_info("PCIe link control 0x%04x\n", ctrl);
+	cobalt_info("PCIe link status 0x%04x: %s per lane and %u lanes\n",
+		    stat, get_link_speed(stat),
+		    (stat & PCI_EXP_LNKSTA_NLW) >> 4);
+
+	/* Bus */
+	pci_read_config_dword(pci_bus_dev, bus_offset + PCI_EXP_LNKCAP, &capa);
+	cobalt_info("PCIe bus link capability 0x%08x: %s per lane and %u lanes\n",
+			capa, get_link_speed(capa),
+			(capa & PCI_EXP_LNKCAP_MLW) >> 4);
+
+	/* Slot */
+	pci_read_config_dword(pci_dev, offset + PCI_EXP_SLTCAP, &capa);
+	pci_read_config_word(pci_dev, offset + PCI_EXP_SLTCTL, &ctrl);
+	pci_read_config_word(pci_dev, offset + PCI_EXP_SLTSTA, &stat);
+	cobalt_info("PCIe slot capability 0x%08x\n", capa);
+	cobalt_info("PCIe slot control 0x%04x\n", ctrl);
+	cobalt_info("PCIe slot status 0x%04x\n", stat);
+}
+
+static unsigned pcie_link_get_lanes(struct cobalt *cobalt)
+{
+	struct pci_dev *pci_dev = cobalt->pci_dev;
+	unsigned offset;
+	u16 link;
+
+	offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
+	if (!offset)
+		return 0;
+	pci_read_config_word(pci_dev, offset + PCI_EXP_LNKSTA, &link);
+	return (link & PCI_EXP_LNKSTA_NLW) >> 4;
+}
+
+static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt)
+{
+	struct pci_dev *pci_dev = cobalt->pci_dev->bus->self;
+	unsigned offset;
+	u32 link;
+
+	offset = pci_find_capability(pci_dev, PCI_CAP_ID_EXP);
+	if (!offset)
+		return 0;
+	pci_read_config_dword(pci_dev, offset + PCI_EXP_LNKCAP, &link);
+	return (link & PCI_EXP_LNKCAP_MLW) >> 4;
+}
+
+static void msi_config_show(struct cobalt *cobalt, struct pci_dev *pci_dev)
+{
+	u16 ctrl, data;
+	u32 adrs_l, adrs_h;
+
+	pci_read_config_word(pci_dev, 0x52, &ctrl);
+	cobalt_info("MSI %s\n", ctrl & 1 ? "enable" : "disable");
+	cobalt_info("MSI multiple message: Capable %u. Enable %u\n",
+		    (1 << ((ctrl >> 1) & 7)), (1 << ((ctrl >> 4) & 7)));
+	if (ctrl & 0x80)
+		cobalt_info("MSI: 64-bit address capable\n");
+	pci_read_config_dword(pci_dev, 0x54, &adrs_l);
+	pci_read_config_dword(pci_dev, 0x58, &adrs_h);
+	pci_read_config_word(pci_dev, 0x5c, &data);
+	if (ctrl & 0x80)
+		cobalt_info("MSI: Address 0x%08x%08x. Data 0x%04x\n",
+				adrs_h, adrs_l, data);
+	else
+		cobalt_info("MSI: Address 0x%08x. Data 0x%04x\n",
+				adrs_l, data);
+}
+
+static void cobalt_pci_iounmap(struct cobalt *cobalt, struct pci_dev *pci_dev)
+{
+	if (cobalt->bar0) {
+		pci_iounmap(pci_dev, cobalt->bar0);
+		cobalt->bar0 = NULL;
+	}
+	if (cobalt->bar1) {
+		pci_iounmap(pci_dev, cobalt->bar1);
+		cobalt->bar1 = NULL;
+	}
+}
+
+static void cobalt_free_msi(struct cobalt *cobalt, struct pci_dev *pci_dev)
+{
+	free_irq(pci_dev->irq, (void *)cobalt);
+
+	if (cobalt->msi_enabled)
+		pci_disable_msi(pci_dev);
+}
+
+static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev,
+			    const struct pci_device_id *pci_id)
+{
+	u32 ctrl;
+	int ret;
+
+	cobalt_dbg(1, "enabling pci device\n");
+
+	ret = pci_enable_device(pci_dev);
+	if (ret) {
+		cobalt_err("can't enable device\n");
+		return ret;
+	}
+	pci_set_master(pci_dev);
+	pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cobalt->card_rev);
+	pci_read_config_word(pci_dev, PCI_DEVICE_ID, &cobalt->device_id);
+
+	switch (cobalt->device_id) {
+	case PCI_DEVICE_ID_COBALT:
+		cobalt_info("PCI Express interface from Omnitek\n");
+		break;
+	default:
+		cobalt_info("PCI Express interface provider is unknown!\n");
+		break;
+	}
+
+	if (pcie_link_get_lanes(cobalt) != 8) {
+		cobalt_err("PCI Express link width is not 8 lanes (%d)\n",
+				pcie_link_get_lanes(cobalt));
+		if (pcie_bus_link_get_lanes(cobalt) < 8)
+			cobalt_err("The current slot only supports %d lanes, at least 8 are needed\n",
+					pcie_bus_link_get_lanes(cobalt));
+		else
+			cobalt_err("The card is most likely not seated correctly in the PCIe slot\n");
+		ret = -EIO;
+		goto err_disable;
+	}
+
+	if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) {
+		ret = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+		if (ret) {
+			cobalt_err("no suitable DMA available\n");
+			goto err_disable;
+		}
+	}
+
+	ret = pci_request_regions(pci_dev, "cobalt");
+	if (ret) {
+		cobalt_err("error requesting regions\n");
+		goto err_disable;
+	}
+
+	cobalt_pcie_status_show(cobalt);
+
+	cobalt->bar0 = pci_iomap(pci_dev, 0, 0);
+	cobalt->bar1 = pci_iomap(pci_dev, 1, 0);
+	if (cobalt->bar1 == NULL) {
+		cobalt->bar1 = pci_iomap(pci_dev, 2, 0);
+		cobalt_info("64-bit BAR\n");
+	}
+	if (!cobalt->bar0 || !cobalt->bar1) {
+		ret = -EIO;
+		goto err_release;
+	}
+
+	/* Reset the video inputs before enabling any interrupts */
+	ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
+	cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE, ctrl & ~0xf00);
+
+	/* Disable interrupts to prevent any spurious interrupts
+	   from being generated. */
+	cobalt_set_interrupt(cobalt, false);
+
+	if (pci_enable_msi_range(pci_dev, 1, 1) < 1) {
+		cobalt_err("Could not enable MSI\n");
+		cobalt->msi_enabled = false;
+		ret = -EIO;
+		goto err_release;
+	}
+	msi_config_show(cobalt, pci_dev);
+	cobalt->msi_enabled = true;
+
+	/* Register IRQ */
+	if (request_irq(pci_dev->irq, cobalt_irq_handler, IRQF_SHARED,
+			cobalt->v4l2_dev.name, (void *)cobalt)) {
+		cobalt_err("Failed to register irq %d\n", pci_dev->irq);
+		ret = -EIO;
+		goto err_msi;
+	}
+
+	omni_sg_dma_init(cobalt);
+	return 0;
+
+err_msi:
+	pci_disable_msi(pci_dev);
+
+err_release:
+	cobalt_pci_iounmap(cobalt, pci_dev);
+	pci_release_regions(pci_dev);
+
+err_disable:
+	pci_disable_device(cobalt->pci_dev);
+	return ret;
+}
+
+static int cobalt_hdl_info_get(struct cobalt *cobalt)
+{
+	int i;
+
+	for (i = 0; i < COBALT_HDL_INFO_SIZE; i++)
+		cobalt->hdl_info[i] =
+			ioread8(cobalt->bar1 + COBALT_HDL_INFO_BASE + i);
+	cobalt->hdl_info[COBALT_HDL_INFO_SIZE - 1] = '\0';
+	if (strstr(cobalt->hdl_info, COBALT_HDL_SEARCH_STR))
+		return 0;
+
+	return 1;
+}
+
+static void cobalt_stream_struct_init(struct cobalt *cobalt)
+{
+	int i;
+
+	for (i = 0; i < COBALT_NUM_STREAMS; i++) {
+		struct cobalt_stream *s = &cobalt->streams[i];
+
+		s->cobalt = cobalt;
+		s->flags = 0;
+		s->is_audio = false;
+		s->is_output = false;
+		s->is_dummy = true;
+
+		/* The Memory DMA channels will always get a lower channel
+		 * number than the FIFO DMA. Video input should map to the
+		 * stream 0-3. The other can use stream struct from 4 and
+		 * higher */
+		if (i <= COBALT_HSMA_IN_NODE) {
+			s->dma_channel = i + cobalt->first_fifo_channel;
+			s->video_channel = i;
+			s->dma_fifo_mask =
+				COBALT_SYSSTAT_VI0_LOST_DATA_MSK << (4 * i);
+			s->adv_irq_mask =
+				COBALT_SYSSTAT_VI0_INT1_MSK << (4 * i);
+		} else if (i >= COBALT_AUDIO_IN_STREAM &&
+			   i <= COBALT_AUDIO_IN_STREAM + 4) {
+			unsigned idx = i - COBALT_AUDIO_IN_STREAM;
+
+			s->dma_channel = 6 + idx;
+			s->is_audio = true;
+			s->video_channel = idx;
+			s->dma_fifo_mask = COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK;
+		} else if (i == COBALT_HSMA_OUT_NODE) {
+			s->dma_channel = 11;
+			s->is_output = true;
+			s->video_channel = 5;
+			s->dma_fifo_mask = COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK;
+			s->adv_irq_mask = COBALT_SYSSTAT_VOHSMA_INT1_MSK;
+		} else if (i == COBALT_AUDIO_OUT_STREAM) {
+			s->dma_channel = 12;
+			s->is_audio = true;
+			s->is_output = true;
+			s->video_channel = 5;
+			s->dma_fifo_mask = COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK;
+		} else {
+			/* FIXME: Memory DMA for debug purpose */
+			s->dma_channel = i - COBALT_NUM_NODES;
+		}
+		cobalt_info("stream #%d -> dma channel #%d <- video channel %d\n",
+			    i, s->dma_channel, s->video_channel);
+	}
+}
+
+static int cobalt_subdevs_init(struct cobalt *cobalt)
+{
+	static struct adv76xx_platform_data adv7604_pdata = {
+		.disable_pwrdnb = 1,
+		.ain_sel = ADV7604_AIN7_8_9_NC_SYNC_3_1,
+		.bus_order = ADV7604_BUS_ORDER_BRG,
+		.blank_data = 1,
+		.op_656_range = 1,
+		.op_format_mode_sel = ADV7604_OP_FORMAT_MODE0,
+		.int1_config = ADV76XX_INT1_CONFIG_ACTIVE_HIGH,
+		.dr_str_data = ADV76XX_DR_STR_HIGH,
+		.dr_str_clk = ADV76XX_DR_STR_HIGH,
+		.dr_str_sync = ADV76XX_DR_STR_HIGH,
+		.hdmi_free_run_mode = 1,
+		.inv_vs_pol = 1,
+		.inv_hs_pol = 1,
+	};
+	static struct i2c_board_info adv7604_info = {
+		.type = "adv7604",
+		.addr = 0x20,
+		.platform_data = &adv7604_pdata,
+	};
+
+	struct cobalt_stream *s = cobalt->streams;
+	int i;
+
+	for (i = 0; i < COBALT_NUM_INPUTS; i++) {
+		struct v4l2_subdev_format sd_fmt = {
+			.pad = ADV7604_PAD_SOURCE,
+			.which = V4L2_SUBDEV_FORMAT_ACTIVE,
+			.format.code = MEDIA_BUS_FMT_YUYV8_1X16,
+		};
+		struct v4l2_subdev_edid cobalt_edid = {
+			.pad = ADV76XX_PAD_HDMI_PORT_A,
+			.start_block = 0,
+			.blocks = 2,
+			.edid = edid,
+		};
+		int err;
+
+		s[i].pad_source = ADV7604_PAD_SOURCE;
+		s[i].i2c_adap = &cobalt->i2c_adap[i];
+		if (s[i].i2c_adap->dev.parent == NULL)
+			continue;
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(i), 1);
+		s[i].sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
+			s[i].i2c_adap, &adv7604_info, NULL);
+		if (!s[i].sd) {
+			if (cobalt_ignore_err)
+				continue;
+			return -ENODEV;
+		}
+		err = v4l2_subdev_call(s[i].sd, video, s_routing,
+				ADV76XX_PAD_HDMI_PORT_A, 0, 0);
+		if (err)
+			return err;
+		err = v4l2_subdev_call(s[i].sd, pad, set_edid,
+				&cobalt_edid);
+		if (err)
+			return err;
+		err = v4l2_subdev_call(s[i].sd, pad, set_fmt, NULL,
+				&sd_fmt);
+		if (err)
+			return err;
+		/* Reset channel video module */
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 0);
+		mdelay(2);
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(i), 1);
+		mdelay(1);
+		s[i].is_dummy = false;
+		cobalt->streams[i + COBALT_AUDIO_IN_STREAM].is_dummy = false;
+	}
+	return 0;
+}
+
+static int cobalt_subdevs_hsma_init(struct cobalt *cobalt)
+{
+	static struct adv7842_platform_data adv7842_pdata = {
+		.disable_pwrdnb = 1,
+		.ain_sel = ADV7842_AIN1_2_3_NC_SYNC_1_2,
+		.bus_order = ADV7842_BUS_ORDER_RBG,
+		.op_format_mode_sel = ADV7842_OP_FORMAT_MODE0,
+		.blank_data = 1,
+		.op_656_range = 1,
+		.dr_str_data = 3,
+		.dr_str_clk = 3,
+		.dr_str_sync = 3,
+		.mode = ADV7842_MODE_HDMI,
+		.hdmi_free_run_enable = 1,
+		.vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P,
+		.i2c_sdp_io = 0x4a,
+		.i2c_sdp = 0x48,
+		.i2c_cp = 0x22,
+		.i2c_vdp = 0x24,
+		.i2c_afe = 0x26,
+		.i2c_hdmi = 0x34,
+		.i2c_repeater = 0x32,
+		.i2c_edid = 0x36,
+		.i2c_infoframe = 0x3e,
+		.i2c_cec = 0x40,
+		.i2c_avlink = 0x42,
+	};
+	static struct i2c_board_info adv7842_info = {
+		.type = "adv7842",
+		.addr = 0x20,
+		.platform_data = &adv7842_pdata,
+	};
+	static struct v4l2_subdev_format sd_fmt = {
+		.pad = ADV7842_PAD_SOURCE,
+		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
+		.format.code = MEDIA_BUS_FMT_YUYV8_1X16,
+	};
+	static struct adv7511_platform_data adv7511_pdata = {
+		.i2c_edid = 0x7e >> 1,
+		.i2c_cec = 0x7c >> 1,
+		.i2c_pktmem = 0x70 >> 1,
+		.cec_clk = 12000000,
+	};
+	static struct i2c_board_info adv7511_info = {
+		.type = "adv7511",
+		.addr = 0x39, /* 0x39 or 0x3d */
+		.platform_data = &adv7511_pdata,
+	};
+	struct v4l2_subdev_edid cobalt_edid = {
+		.pad = ADV7842_EDID_PORT_A,
+		.start_block = 0,
+		.blocks = 2,
+		.edid = edid,
+	};
+	struct cobalt_stream *s = &cobalt->streams[COBALT_HSMA_IN_NODE];
+
+	s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1];
+	if (s->i2c_adap->dev.parent == NULL)
+		return 0;
+	cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 1);
+
+	s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
+			s->i2c_adap, &adv7842_info, NULL);
+	if (s->sd) {
+		int err = v4l2_subdev_call(s->sd, pad, set_edid, &cobalt_edid);
+
+		if (err)
+			return err;
+		err = v4l2_subdev_call(s->sd, pad, set_fmt, NULL,
+				&sd_fmt);
+		if (err)
+			return err;
+		cobalt->have_hsma_rx = true;
+		s->pad_source = ADV7842_PAD_SOURCE;
+		s->is_dummy = false;
+		cobalt->streams[4 + COBALT_AUDIO_IN_STREAM].is_dummy = false;
+		/* Reset channel video module */
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0);
+		mdelay(2);
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 1);
+		mdelay(1);
+		return err;
+	}
+	cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(4), 0);
+	cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT, 0);
+	s++;
+	s->i2c_adap = &cobalt->i2c_adap[COBALT_NUM_ADAPTERS - 1];
+	s->sd = v4l2_i2c_new_subdev_board(&cobalt->v4l2_dev,
+			s->i2c_adap, &adv7511_info, NULL);
+	if (s->sd) {
+		/* A transmitter is hooked up, so we can set this bit */
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 1);
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(4), 0);
+		cobalt_s_bit_sysctrl(cobalt,
+				COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT, 1);
+		cobalt->have_hsma_tx = true;
+		v4l2_subdev_call(s->sd, core, s_power, 1);
+		v4l2_subdev_call(s->sd, video, s_stream, 1);
+		v4l2_subdev_call(s->sd, audio, s_stream, 1);
+		v4l2_ctrl_s_ctrl(v4l2_ctrl_find(s->sd->ctrl_handler,
+				 V4L2_CID_DV_TX_MODE), V4L2_DV_TX_MODE_HDMI);
+		s->is_dummy = false;
+		cobalt->streams[COBALT_AUDIO_OUT_STREAM].is_dummy = false;
+		return 0;
+	}
+	return -ENODEV;
+}
+
+static int cobalt_probe(struct pci_dev *pci_dev,
+				  const struct pci_device_id *pci_id)
+{
+	struct cobalt *cobalt;
+	int retval = 0;
+	int i;
+
+	/* FIXME - module parameter arrays constrain max instances */
+	i = atomic_inc_return(&cobalt_instance) - 1;
+
+	cobalt = kzalloc(sizeof(struct cobalt), GFP_ATOMIC);
+	if (cobalt == NULL)
+		return -ENOMEM;
+	cobalt->pci_dev = pci_dev;
+	cobalt->instance = i;
+
+	cobalt->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
+	if (IS_ERR(cobalt->alloc_ctx)) {
+		kfree(cobalt);
+		return -ENOMEM;
+	}
+
+	retval = v4l2_device_register(&pci_dev->dev, &cobalt->v4l2_dev);
+	if (retval) {
+		pr_err("cobalt: v4l2_device_register of card %d failed\n",
+				cobalt->instance);
+		vb2_dma_sg_cleanup_ctx(cobalt->alloc_ctx);
+		kfree(cobalt);
+		return retval;
+	}
+	snprintf(cobalt->v4l2_dev.name, sizeof(cobalt->v4l2_dev.name),
+		 "cobalt-%d", cobalt->instance);
+	cobalt->v4l2_dev.notify = cobalt_notify;
+	cobalt_info("Initializing card %d\n", cobalt->instance);
+
+	cobalt->irq_work_queues =
+		create_singlethread_workqueue(cobalt->v4l2_dev.name);
+	if (cobalt->irq_work_queues == NULL) {
+		cobalt_err("Could not create workqueue\n");
+		retval = -ENOMEM;
+		goto err;
+	}
+
+	INIT_WORK(&cobalt->irq_work_queue, cobalt_irq_work_handler);
+
+	/* PCI Device Setup */
+	retval = cobalt_setup_pci(cobalt, pci_dev, pci_id);
+	if (retval != 0)
+		goto err_wq;
+
+	/* Show HDL version info */
+	if (cobalt_hdl_info_get(cobalt))
+		cobalt_info("Not able to read the HDL info\n");
+	else
+		cobalt_info("%s", cobalt->hdl_info);
+
+	retval = cobalt_i2c_init(cobalt);
+	if (retval)
+		goto err_pci;
+
+	cobalt_stream_struct_init(cobalt);
+
+	retval = cobalt_subdevs_init(cobalt);
+	if (retval)
+		goto err_i2c;
+
+	if (!(cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE) &
+			COBALT_SYSSTAT_HSMA_PRSNTN_MSK)) {
+		retval = cobalt_subdevs_hsma_init(cobalt);
+		if (retval)
+			goto err_i2c;
+	}
+
+	retval = v4l2_device_register_subdev_nodes(&cobalt->v4l2_dev);
+	if (retval)
+		goto err_i2c;
+	retval = cobalt_nodes_register(cobalt);
+	if (retval) {
+		cobalt_err("Error %d registering device nodes\n", retval);
+		goto err_i2c;
+	}
+	cobalt_set_interrupt(cobalt, true);
+	v4l2_device_call_all(&cobalt->v4l2_dev, 0, core,
+					interrupt_service_routine, 0, NULL);
+
+	cobalt_info("Initialized cobalt card\n");
+
+	cobalt_flash_probe(cobalt);
+
+	return 0;
+
+err_i2c:
+	cobalt_i2c_exit(cobalt);
+	cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
+err_pci:
+	cobalt_free_msi(cobalt, pci_dev);
+	cobalt_pci_iounmap(cobalt, pci_dev);
+	pci_release_regions(cobalt->pci_dev);
+	pci_disable_device(cobalt->pci_dev);
+err_wq:
+	destroy_workqueue(cobalt->irq_work_queues);
+err:
+	if (retval == 0)
+		retval = -ENODEV;
+	cobalt_err("error %d on initialization\n", retval);
+
+	v4l2_device_unregister(&cobalt->v4l2_dev);
+	vb2_dma_sg_cleanup_ctx(cobalt->alloc_ctx);
+	kfree(cobalt);
+	return retval;
+}
+
+static void cobalt_remove(struct pci_dev *pci_dev)
+{
+	struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+	struct cobalt *cobalt = to_cobalt(v4l2_dev);
+	int i;
+
+	cobalt_flash_remove(cobalt);
+	cobalt_set_interrupt(cobalt, false);
+	flush_workqueue(cobalt->irq_work_queues);
+	cobalt_nodes_unregister(cobalt);
+	for (i = 0; i < COBALT_NUM_ADAPTERS; i++) {
+		struct v4l2_subdev *sd = cobalt->streams[i].sd;
+		struct i2c_client *client;
+
+		if (sd == NULL)
+			continue;
+		client = v4l2_get_subdevdata(sd);
+		v4l2_device_unregister_subdev(sd);
+		i2c_unregister_device(client);
+	}
+	cobalt_i2c_exit(cobalt);
+	cobalt_free_msi(cobalt, pci_dev);
+	cobalt_s_bit_sysctrl(cobalt, COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT, 0);
+	cobalt_pci_iounmap(cobalt, pci_dev);
+	pci_release_regions(cobalt->pci_dev);
+	pci_disable_device(cobalt->pci_dev);
+	destroy_workqueue(cobalt->irq_work_queues);
+
+	cobalt_info("removed cobalt card\n");
+
+	v4l2_device_unregister(v4l2_dev);
+	vb2_dma_sg_cleanup_ctx(cobalt->alloc_ctx);
+	kfree(cobalt);
+}
+
+/* define a pci_driver for card detection */
+static struct pci_driver cobalt_pci_driver = {
+	.name =     "cobalt",
+	.id_table = cobalt_pci_tbl,
+	.probe =    cobalt_probe,
+	.remove =   cobalt_remove,
+};
+
+module_pci_driver(cobalt_pci_driver);