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can: ems_pci: Add Asix AX99100 definitions

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

Signed-off-by: Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Link: https://lore.kernel.org/all/20230120112616.6071-3-uttenthaler@ems-wuensche.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Gerhard Uttenthaler 2023-01-20 12:26:10 +01:00 committed by Marc Kleine-Budde
parent 2b9ed3b9aa
commit f5ef4d4f53
1 changed files with 19 additions and 0 deletions
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19
drivers/net/can/sja1000/ems_pci.c
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@ -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);