| Rafał Miłecki | 399500da | 2015-10-15 07:23:25 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Broadcom 43xx PCMCIA-SSB bridge module |
| 3 | * |
| 4 | * Copyright (c) 2007 Michael Buesch <m@bues.ch> |
| 5 | * |
| 6 | * Licensed under the GNU/GPL. See COPYING for details. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/ssb/ssb.h> |
| 10 | #include <linux/slab.h> |
| 11 | #include <linux/module.h> |
| 12 | |
| 13 | #include <pcmcia/cistpl.h> |
| 14 | #include <pcmcia/ciscode.h> |
| 15 | #include <pcmcia/ds.h> |
| 16 | #include <pcmcia/cisreg.h> |
| 17 | |
| 18 | #include "ssb_private.h" |
| 19 | |
| 20 | static const struct pcmcia_device_id ssb_host_pcmcia_tbl[] = { |
| 21 | PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448), |
| 22 | PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476), |
| 23 | PCMCIA_DEVICE_NULL, |
| 24 | }; |
| 25 | |
| 26 | MODULE_DEVICE_TABLE(pcmcia, ssb_host_pcmcia_tbl); |
| 27 | |
| 28 | static int ssb_host_pcmcia_probe(struct pcmcia_device *dev) |
| 29 | { |
| 30 | struct ssb_bus *ssb; |
| 31 | int err = -ENOMEM; |
| 32 | int res = 0; |
| 33 | |
| 34 | ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); |
| 35 | if (!ssb) |
| 36 | goto out_error; |
| 37 | |
| 38 | err = -ENODEV; |
| 39 | |
| 40 | dev->config_flags |= CONF_ENABLE_IRQ; |
| 41 | |
| 42 | dev->resource[2]->flags |= WIN_ENABLE | WIN_DATA_WIDTH_16 | |
| 43 | WIN_USE_WAIT; |
| 44 | dev->resource[2]->start = 0; |
| 45 | dev->resource[2]->end = SSB_CORE_SIZE; |
| 46 | res = pcmcia_request_window(dev, dev->resource[2], 250); |
| 47 | if (res != 0) |
| 48 | goto err_kfree_ssb; |
| 49 | |
| 50 | res = pcmcia_map_mem_page(dev, dev->resource[2], 0); |
| 51 | if (res != 0) |
| 52 | goto err_disable; |
| 53 | |
| 54 | if (!dev->irq) |
| 55 | goto err_disable; |
| 56 | |
| 57 | res = pcmcia_enable_device(dev); |
| 58 | if (res != 0) |
| 59 | goto err_disable; |
| 60 | |
| 61 | err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start); |
| 62 | if (err) |
| 63 | goto err_disable; |
| 64 | dev->priv = ssb; |
| 65 | |
| 66 | return 0; |
| 67 | |
| 68 | err_disable: |
| 69 | pcmcia_disable_device(dev); |
| 70 | err_kfree_ssb: |
| 71 | kfree(ssb); |
| 72 | out_error: |
| 73 | ssb_err("Initialization failed (%d, %d)\n", res, err); |
| 74 | return err; |
| 75 | } |
| 76 | |
| 77 | static void ssb_host_pcmcia_remove(struct pcmcia_device *dev) |
| 78 | { |
| 79 | struct ssb_bus *ssb = dev->priv; |
| 80 | |
| 81 | ssb_bus_unregister(ssb); |
| 82 | pcmcia_disable_device(dev); |
| 83 | kfree(ssb); |
| 84 | dev->priv = NULL; |
| 85 | } |
| 86 | |
| 87 | #ifdef CONFIG_PM |
| 88 | static int ssb_host_pcmcia_suspend(struct pcmcia_device *dev) |
| 89 | { |
| 90 | struct ssb_bus *ssb = dev->priv; |
| 91 | |
| 92 | return ssb_bus_suspend(ssb); |
| 93 | } |
| 94 | |
| 95 | static int ssb_host_pcmcia_resume(struct pcmcia_device *dev) |
| 96 | { |
| 97 | struct ssb_bus *ssb = dev->priv; |
| 98 | |
| 99 | return ssb_bus_resume(ssb); |
| 100 | } |
| 101 | #else /* CONFIG_PM */ |
| 102 | # define ssb_host_pcmcia_suspend NULL |
| 103 | # define ssb_host_pcmcia_resume NULL |
| 104 | #endif /* CONFIG_PM */ |
| 105 | |
| 106 | static struct pcmcia_driver ssb_host_pcmcia_driver = { |
| 107 | .owner = THIS_MODULE, |
| 108 | .name = "ssb-pcmcia", |
| 109 | .id_table = ssb_host_pcmcia_tbl, |
| 110 | .probe = ssb_host_pcmcia_probe, |
| 111 | .remove = ssb_host_pcmcia_remove, |
| 112 | .suspend = ssb_host_pcmcia_suspend, |
| 113 | .resume = ssb_host_pcmcia_resume, |
| 114 | }; |
| 115 | |
| 116 | /* |
| 117 | * These are not module init/exit functions! |
| 118 | * The module_pcmcia_driver() helper cannot be used here. |
| 119 | */ |
| 120 | int ssb_host_pcmcia_init(void) |
| 121 | { |
| 122 | return pcmcia_register_driver(&ssb_host_pcmcia_driver); |
| 123 | } |
| 124 | |
| 125 | void ssb_host_pcmcia_exit(void) |
| 126 | { |
| 127 | pcmcia_unregister_driver(&ssb_host_pcmcia_driver); |
| 128 | } |