Commit f5ef4d4f authored by Gerhard Uttenthaler's avatar Gerhard Uttenthaler Committed by Marc Kleine-Budde
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can: ems_pci: Add Asix AX99100 definitions 



Add Asix AX99100 PCI IDs and add the v3 to the ems_pci_tbl.
Add define for maximum CAN channel count

Signed-off-by: default avatarGerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Link: https://lore.kernel.org/all/20230120112616.6071-3-uttenthaler@ems-wuensche.com


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 2b9ed3b9

drivers/net/can/sja1000/ems_pci.c

+19 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ MODULE_LICENSE("GPL v2"); 


#define EMS_PCI_V1_MAX_CHAN 2

#define EMS_PCI_V2_MAX_CHAN 4

#define EMS_PCI_V3_MAX_CHAN 4

#define EMS_PCI_MAX_CHAN    EMS_PCI_V2_MAX_CHAN



struct ems_pci_card {
@@ -61,6 +62,15 @@ struct ems_pci_card { 
#define PLX_ICSR_ENA_CLR    (PLX_ICSR_LINTI1_ENA | PLX_ICSR_PCIINT_ENA | \

			     PLX_ICSR_LINTI1_CLR)



/* Register definitions for the ASIX99100

 */

#define ASIX_LINTSR 0x28 /* Interrupt Control/Status register */

#define ASIX_LINTSR_INT0AC BIT(0) /* Writing 1 enables or clears interrupt */



#define ASIX_LIEMR 0x24 /* Local Interrupt Enable / Miscellaneous Register */

#define ASIX_LIEMR_L0EINTEN BIT(16) /* Local INT0 input assertion enable */

#define ASIX_LIEMR_LRST BIT(14) /* Local Reset assert */



/* The board configuration is probably following:

 * RX1 is connected to ground.

 * TX1 is not connected.
@@ -86,6 +96,13 @@ struct ems_pci_card { 


#define EMS_PCI_BASE_SIZE  4096 /* size of controller area */



#ifndef PCI_VENDOR_ID_ASIX

#define PCI_VENDOR_ID_ASIX 0x125b

#define PCI_DEVICE_ID_ASIX_9110 0x9110

#define PCI_SUBVENDOR_ID_ASIX 0xa000

#endif

#define PCI_SUBDEVICE_ID_EMS 0x4010



static const struct pci_device_id ems_pci_tbl[] = {

	/* CPC-PCI v1 */

	{PCI_VENDOR_ID_SIEMENS, 0x2104, PCI_ANY_ID, PCI_ANY_ID,},
@@ -93,6 +110,8 @@ static const struct pci_device_id ems_pci_tbl[] = { 
	{PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, PCI_VENDOR_ID_PLX, 0x4000},

	/* CPC-104P v2 */

	{PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, PCI_VENDOR_ID_PLX, 0x4002},

	/* CPC-PCIe v3 */

	{PCI_VENDOR_ID_ASIX, PCI_DEVICE_ID_ASIX_9110, PCI_SUBVENDOR_ID_ASIX, PCI_SUBDEVICE_ID_EMS},

	{0,}

};

MODULE_DEVICE_TABLE(pci, ems_pci_tbl);