V4L/DVB (12332): Create card parameters array in SDMC DM1105 driver

Create card parameters array in SDMC DM1105 driver.
It is useful for cards with the same pci id, but different
tuners, lnb power control circuits, etc.
Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dm1105/dm1105.c

@@ -44,6 +44,14 @@
 #include "cx24116.h"
 #include "z0194a.h"
 
+#define UNSET (-1U)
+
+#define DM1105_BOARD_NOAUTO		UNSET
+#define DM1105_BOARD_UNKNOWN		0
+#define DM1105_BOARD_DVBWORLD_2002	1
+#define DM1105_BOARD_DVBWORLD_2004	2
+#define DM1105_BOARD_AXESS_DM05		3
+
 /* ----------------------------------------------- */
 /*
  * PCI ID's
@@ -153,20 +161,105 @@
 
 /* GPIO's for LNB power control */
 #define DM1105_LNB_MASK				0x00000000
+#define DM1105_LNB_OFF				0x00020000
 #define DM1105_LNB_13V				0x00010100
 #define DM1105_LNB_18V				0x00000100
 
 /* GPIO's for LNB power control for Axess DM05 */
 #define DM05_LNB_MASK				0x00000000
+#define DM05_LNB_OFF				0x00020000/* actually 13v */
 #define DM05_LNB_13V				0x00020000
 #define DM05_LNB_18V				0x00030000
 
+static unsigned int card[]  = {[0 ... 3] = UNSET };
+module_param_array(card,  int, NULL, 0444);
+MODULE_PARM_DESC(card, "card type");
+
 static int ir_debug;
 module_param(ir_debug, int, 0644);
 MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
 
+static unsigned int dm1105_devcount;
+
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
+struct dm1105_board {
+	char                    *name;
+};
+
+struct dm1105_subid {
+	u16     subvendor;
+	u16     subdevice;
+	u32     card;
+};
+
+static const struct dm1105_board dm1105_boards[] = {
+	[DM1105_BOARD_UNKNOWN] = {
+		.name		= "UNKNOWN/GENERIC",
+	},
+	[DM1105_BOARD_DVBWORLD_2002] = {
+		.name		= "DVBWorld PCI 2002",
+	},
+	[DM1105_BOARD_DVBWORLD_2004] = {
+		.name		= "DVBWorld PCI 2004",
+	},
+	[DM1105_BOARD_AXESS_DM05] = {
+		.name		= "Axess/EasyTv DM05",
+	},
+};
+
+static const struct dm1105_subid dm1105_subids[] = {
+	{
+		.subvendor = 0x0000,
+		.subdevice = 0x2002,
+		.card      = DM1105_BOARD_DVBWORLD_2002,
+	}, {
+		.subvendor = 0x0001,
+		.subdevice = 0x2002,
+		.card      = DM1105_BOARD_DVBWORLD_2002,
+	}, {
+		.subvendor = 0x0000,
+		.subdevice = 0x2004,
+		.card      = DM1105_BOARD_DVBWORLD_2004,
+	}, {
+		.subvendor = 0x0001,
+		.subdevice = 0x2004,
+		.card      = DM1105_BOARD_DVBWORLD_2004,
+	}, {
+		.subvendor = 0x195d,
+		.subdevice = 0x1105,
+		.card      = DM1105_BOARD_AXESS_DM05,
+	},
+};
+
+static void dm1105_card_list(struct pci_dev *pci)
+{
+	int i;
+
+	if (0 == pci->subsystem_vendor &&
+			0 == pci->subsystem_device) {
+		printk(KERN_ERR
+			"dm1105: Your board has no valid PCI Subsystem ID\n"
+			"dm1105: and thus can't be autodetected\n"
+			"dm1105: Please pass card=<n> insmod option to\n"
+			"dm1105: workaround that.  Redirect complaints to\n"
+			"dm1105: the vendor of the TV card.  Best regards,\n"
+			"dm1105: -- tux\n");
+	} else {
+		printk(KERN_ERR
+			"dm1105: Your board isn't known (yet) to the driver.\n"
+			"dm1105: You can try to pick one of the existing\n"
+			"dm1105: card configs via card=<n> insmod option.\n"
+			"dm1105: Updating to the latest version might help\n"
+			"dm1105: as well.\n");
+	}
+	printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
+		   "insmod option:\n");
+	for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
+		printk(KERN_ERR "dm1105:    card=%d -> %s\n",
+				i, dm1105_boards[i].name);
+}
+
 /* infrared remote control */
 struct infrared {
 	struct input_dev	*input_dev;
@@ -193,6 +286,8 @@ struct dm1105dvb {
 	struct dvb_frontend *fe;
 	struct dvb_net dvbnet;
 	unsigned int full_ts_users;
+	unsigned int boardnr;
+	int nr;
 
 	/* i2c */
 	struct i2c_adapter i2c_adap;
@@ -211,7 +306,6 @@ struct dm1105dvb {
 	unsigned int	PacketErrorCount;
 	unsigned int dmarst;
 	spinlock_t lock;
-
 };
 
 #define dm_io_mem(reg)	((unsigned long)(&dm1105dvb->io_mem[reg]))
@@ -326,16 +420,20 @@ static inline struct dm1105dvb *frontend_to_dm1105dvb(struct dvb_frontend *fe)
 static int dm1105dvb_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 {
 	struct dm1105dvb *dm1105dvb = frontend_to_dm1105dvb(fe);
-	u32 lnb_mask, lnb_13v, lnb_18v;
+	u32 lnb_mask, lnb_13v, lnb_18v, lnb_off;
 
-	switch (dm1105dvb->pdev->subsystem_device) {
-	case PCI_DEVICE_ID_DM05:
+	switch (dm1105dvb->boardnr) {
+	case DM1105_BOARD_AXESS_DM05:
 		lnb_mask = DM05_LNB_MASK;
+		lnb_off = DM05_LNB_OFF;
 		lnb_13v = DM05_LNB_13V;
 		lnb_18v = DM05_LNB_18V;
 		break;
+	case DM1105_BOARD_DVBWORLD_2002:
+	case DM1105_BOARD_DVBWORLD_2004:
 	default:
 		lnb_mask = DM1105_LNB_MASK;
+		lnb_off = DM1105_LNB_OFF;
 		lnb_13v = DM1105_LNB_13V;
 		lnb_18v = DM1105_LNB_18V;
 	}
@@ -343,8 +441,10 @@ static int dm1105dvb_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volta
 	outl(lnb_mask, dm_io_mem(DM1105_GPIOCTR));
 	if (voltage == SEC_VOLTAGE_18)
 		outl(lnb_18v , dm_io_mem(DM1105_GPIOVAL));
-	else
+	else if (voltage == SEC_VOLTAGE_13)
 		outl(lnb_13v, dm_io_mem(DM1105_GPIOVAL));
+	else
+		outl(lnb_off, dm_io_mem(DM1105_GPIOVAL));
 
 	return 0;
 }
@@ -589,8 +689,8 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb)
 {
 	int ret;
 
-	switch (dm1105dvb->pdev->subsystem_device) {
-	case PCI_DEVICE_ID_DW2004:
+	switch (dm1105dvb->boardnr) {
+	case DM1105_BOARD_DVBWORLD_2004:
 		dm1105dvb->fe = dvb_attach(
 			cx24116_attach, &serit_sp2633_config,
 			&dm1105dvb->i2c_adap);
@@ -598,6 +698,8 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb)
 			dm1105dvb->fe->ops.set_voltage = dm1105dvb_set_voltage;
 
 		break;
+	case DM1105_BOARD_DVBWORLD_2002:
+	case DM1105_BOARD_AXESS_DM05:
 	default:
 		dm1105dvb->fe = dvb_attach(
 			stv0299_attach, &sharp_z0194a_config,
@@ -676,11 +778,31 @@ static int __devinit dm1105_probe(struct pci_dev *pdev,
 	struct dvb_demux *dvbdemux;
 	struct dmx_demux *dmx;
 	int ret = -ENOMEM;
+	int i;
 
 	dm1105dvb = kzalloc(sizeof(struct dm1105dvb), GFP_KERNEL);
 	if (!dm1105dvb)
 		return -ENOMEM;
 
+	/* board config */
+	dm1105dvb->nr = dm1105_devcount;
+	dm1105dvb->boardnr = UNSET;
+	if (card[dm1105dvb->nr] < ARRAY_SIZE(dm1105_boards))
+		dm1105dvb->boardnr = card[dm1105dvb->nr];
+	for (i = 0; UNSET == dm1105dvb->boardnr &&
+				i < ARRAY_SIZE(dm1105_subids); i++)
+		if (pdev->subsystem_vendor ==
+			dm1105_subids[i].subvendor &&
+				pdev->subsystem_device ==
+					dm1105_subids[i].subdevice)
+			dm1105dvb->boardnr = dm1105_subids[i].card;
+
+	if (UNSET == dm1105dvb->boardnr) {
+		dm1105dvb->boardnr = DM1105_BOARD_UNKNOWN;
+		dm1105_card_list(pdev);
+	}
+
+	dm1105_devcount++;
 	dm1105dvb->pdev = pdev;
 	dm1105dvb->buffer_size = 5 * DM1105_DMA_BYTES;
 	dm1105dvb->PacketErrorCount = 0;
@@ -853,6 +975,7 @@ static void __devexit dm1105_remove(struct pci_dev *pdev)
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
+	dm1105_devcount--;
 	kfree(dm1105dvb);
 }
 
@@ -861,17 +984,12 @@ static struct pci_device_id dm1105_id_table[] __devinitdata = {
 		.vendor = PCI_VENDOR_ID_TRIGEM,
 		.device = PCI_DEVICE_ID_DM1105,
 		.subvendor = PCI_ANY_ID,
-		.subdevice = PCI_DEVICE_ID_DW2002,
-	}, {
-		.vendor = PCI_VENDOR_ID_TRIGEM,
-		.device = PCI_DEVICE_ID_DM1105,
-		.subvendor = PCI_ANY_ID,
-		.subdevice = PCI_DEVICE_ID_DW2004,
+		.subdevice = PCI_ANY_ID,
 	}, {
 		.vendor = PCI_VENDOR_ID_AXESS,
 		.device = PCI_DEVICE_ID_DM05,
-		.subvendor = PCI_VENDOR_ID_AXESS,
-		.subdevice = PCI_DEVICE_ID_DM05,
+		.subvendor = PCI_ANY_ID,
+		.subdevice = PCI_ANY_ID,
 	}, {
 		/* empty */
 	},