2020-04-02 23:48:19 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2014-10-27 02:45:22 +01:00
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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2019-03-01 12:43:02 +01:00
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#include <device/pci_ops.h>
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2014-10-27 02:45:22 +01:00
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#include "chip.h"
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static void rce822_enable(struct device *dev)
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{
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struct drivers_ricoh_rce822_config *config = dev->chip_info;
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pci_write_config8(dev, 0xca, 0x57);
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pci_write_config8(dev, 0xcb, config->disable_mask);
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pci_write_config8(dev, 0xca, 0x00);
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}
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static void rce822_init(struct device *dev)
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{
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struct drivers_ricoh_rce822_config *config = dev->chip_info;
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pci_write_config8(dev, 0xf9, 0xfc);
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pci_write_config8(dev, 0xfb, config->sdwppol << 1);
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pci_write_config8(dev, 0xf9, 0x00);
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}
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2018-09-20 17:26:10 +02:00
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static void rce822_set_subsystem(struct device *dev, unsigned int vendor,
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unsigned int device)
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2014-10-27 02:45:22 +01:00
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{
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if (!vendor || !device) {
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pci_write_config32(dev, 0xac,
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pci_read_config32(dev, PCI_VENDOR_ID));
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} else {
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pci_write_config32(dev, 0xac,
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((device & 0xffff) << 16) | (vendor & 0xffff));
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}
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}
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static struct pci_operations lops_pci = {
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2018-11-27 17:02:10 +01:00
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.set_subsystem = rce822_set_subsystem,
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2014-10-27 02:45:22 +01:00
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};
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2015-05-15 11:10:08 +02:00
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static struct device_operations rce822_ops = {
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2014-10-27 02:45:22 +01:00
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = rce822_init,
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.enable = rce822_enable,
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.ops_pci = &lops_pci,
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};
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static const unsigned short pci_device_ids[] = { 0xe822, 0xe823, 0 };
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2015-05-15 11:10:08 +02:00
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static const struct pci_driver rce822 __pci_driver = {
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.ops = &rce822_ops,
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2022-03-07 04:34:52 +01:00
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.vendor = PCI_VID_RICOH,
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2014-10-27 02:45:22 +01:00
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.devices = pci_device_ids,
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};
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2019-08-25 12:05:46 +02:00
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struct chip_operations drivers_ricoh_rce822_ops = {
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CHIP_NAME("RICOH RCE822")
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};
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