linux-kernel - [PATCH 4/4] parport_pc: add support for ASIX AX99100

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Message-Id: <20230718174200.2862849-5-jiaqing.zhao@linux.intel.com>
Date:   Tue, 18 Jul 2023 17:42:00 +0000
From:   Jiaqing Zhao <jiaqing.zhao@...ux.intel.com>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-serial@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-can@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiaqing Zhao <jiaqing.zhao@...ux.intel.com>
Subject: [PATCH 4/4] parport_pc: add support for ASIX AX99100

The PCI function 2 on ASIX AX99100 PCIe to Multi I/O Controller can be
configured as a single-port parallel port controller. The subvendor id
is 0x2000 when configured as parallel port. It supports IEEE-1284 EPP /
ECP with its ECR on BAR1.

Signed-off-by: Jiaqing Zhao <jiaqing.zhao@...ux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/parport/parport_pc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 3bacbaf16f42..1f236aaf7867 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -2655,6 +2655,7 @@ enum parport_pc_pci_cards {
 	netmos_9815,
 	netmos_9901,
 	netmos_9865,
+	asix_ax99100,
 	quatech_sppxp100,
 	wch_ch382l,
 };
@@ -2733,6 +2734,7 @@ static struct parport_pc_pci {
 	/* netmos_9815 */		{ 2, { { 0, 1 }, { 2, 3 }, } },
 	/* netmos_9901 */               { 1, { { 0, -1 }, } },
 	/* netmos_9865 */               { 1, { { 0, -1 }, } },
+	/* asix_ax99100 */		{ 1, { { 0, 1 }, } },
 	/* quatech_sppxp100 */		{ 1, { { 0, 1 }, } },
 	/* wch_ch382l */		{ 1, { { 2, -1 }, } },
 };
@@ -2823,6 +2825,9 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
 	  0xA000, 0x1000, 0, 0, netmos_9865 },
 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
 	  0xA000, 0x2000, 0, 0, netmos_9865 },
+	/* ASIX AX99100 PCIe to Multi I/O Controller */
+	{ PCI_VENDOR_ID_ASIX, PCI_DEVICE_ID_ASIX_AX99100,
+	  0xA000, 0x2000, 0, 0, asix_ax99100 },
 	/* Quatech SPPXP-100 Parallel port PCI ExpressCard */
 	{ PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_SPPXP_100,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 },
-- 
2.39.2