^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Broadcom 43xx PCMCIA-SSB bridge module
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2007 Michael Buesch <m@bues.ch>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Licensed under the GNU/GPL. See COPYING for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "ssb_private.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/ssb/ssb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <pcmcia/cistpl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <pcmcia/ciscode.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <pcmcia/ds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <pcmcia/cisreg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static const struct pcmcia_device_id ssb_host_pcmcia_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) PCMCIA_DEVICE_NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) MODULE_DEVICE_TABLE(pcmcia, ssb_host_pcmcia_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int ssb_host_pcmcia_probe(struct pcmcia_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct ssb_bus *ssb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int res = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) if (!ssb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) goto out_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) dev->config_flags |= CONF_ENABLE_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) dev->resource[2]->flags |= WIN_ENABLE | WIN_DATA_WIDTH_16 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) WIN_USE_WAIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) dev->resource[2]->start = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) dev->resource[2]->end = SSB_CORE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) res = pcmcia_request_window(dev, dev->resource[2], 250);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (res != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) goto err_kfree_ssb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (res != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) goto err_disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (!dev->irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) goto err_disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) res = pcmcia_enable_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (res != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) goto err_disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) goto err_disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) dev->priv = ssb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) err_disable:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) pcmcia_disable_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) err_kfree_ssb:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) kfree(ssb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) out_error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) dev_err(&dev->dev, "Initialization failed (%d, %d)\n", res, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static void ssb_host_pcmcia_remove(struct pcmcia_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct ssb_bus *ssb = dev->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) ssb_bus_unregister(ssb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) pcmcia_disable_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) kfree(ssb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) dev->priv = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static int ssb_host_pcmcia_suspend(struct pcmcia_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct ssb_bus *ssb = dev->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return ssb_bus_suspend(ssb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static int ssb_host_pcmcia_resume(struct pcmcia_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct ssb_bus *ssb = dev->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return ssb_bus_resume(ssb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #else /* CONFIG_PM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) # define ssb_host_pcmcia_suspend NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) # define ssb_host_pcmcia_resume NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #endif /* CONFIG_PM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static struct pcmcia_driver ssb_host_pcmcia_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .name = "ssb-pcmcia",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .id_table = ssb_host_pcmcia_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .probe = ssb_host_pcmcia_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .remove = ssb_host_pcmcia_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .suspend = ssb_host_pcmcia_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .resume = ssb_host_pcmcia_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static int pcmcia_init_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * These are not module init/exit functions!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * The module_pcmcia_driver() helper cannot be used here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int ssb_host_pcmcia_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return pcmcia_init_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) void ssb_host_pcmcia_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (!pcmcia_init_failed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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