Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * IPWireless 3G PCMCIA Network Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Original code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *   by Stephen Blackheath <stephen@blacksapphire.com>,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *      Ben Martel <benm@symmetric.co.nz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Copyrighted as follows:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *   Copyright (C) 2004 by Symmetric Systems Ltd (NZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Various driver changes and rewrites, port to new kernels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *   Copyright (C) 2006-2007 Jiri Kosina
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * Misc code cleanups and updates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *   Copyright (C) 2007 David Sterba
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include "hardware.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include "network.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "main.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "tty.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #include <pcmcia/cisreg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #include <pcmcia/device_id.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #include <pcmcia/ss.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #include <pcmcia/ds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static const struct pcmcia_device_id ipw_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0100),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0200),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	PCMCIA_DEVICE_NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) MODULE_DEVICE_TABLE(pcmcia, ipw_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) static void ipwireless_detach(struct pcmcia_device *link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47)  * Module params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) /* Debug mode: more verbose, print sent/recv bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) int ipwireless_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) int ipwireless_loopback;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) int ipwireless_out_queue = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) module_param_named(debug, ipwireless_debug, int, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) module_param_named(loopback, ipwireless_loopback, int, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) module_param_named(out_queue, ipwireless_out_queue, int, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) MODULE_PARM_DESC(debug, "switch on debug messages [0]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) MODULE_PARM_DESC(loopback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		"debug: enable ras_raw channel [0]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) MODULE_PARM_DESC(out_queue, "debug: set size of outgoing PPP queue [10]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) /* Executes in process context. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) static void signalled_reboot_work(struct work_struct *work_reboot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	struct ipw_dev *ipw = container_of(work_reboot, struct ipw_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 			work_reboot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	struct pcmcia_device *link = ipw->link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	pcmcia_reset_card(link->socket);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) static void signalled_reboot_callback(void *callback_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	struct ipw_dev *ipw = (struct ipw_dev *) callback_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	/* Delegate to process context. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	schedule_work(&ipw->work_reboot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	struct ipw_dev *ipw = priv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	/* 0x40 causes it to generate level mode interrupts. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	/* 0x04 enables IREQ pin. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	p_dev->config_index |= 0x44;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	p_dev->io_lines = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	ret = pcmcia_request_io(p_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (!request_region(p_dev->resource[0]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 			    resource_size(p_dev->resource[0]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			    IPWIRELESS_PCCARD_NAME)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	p_dev->resource[2]->flags |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	ret = pcmcia_request_window(p_dev, p_dev->resource[2], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		goto exit1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	ret = pcmcia_map_mem_page(p_dev, p_dev->resource[2], p_dev->card_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		goto exit1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	ipw->is_v2_card = resource_size(p_dev->resource[2]) == 0x100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	ipw->common_memory = ioremap(p_dev->resource[2]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 				resource_size(p_dev->resource[2]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	if (!ipw->common_memory) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		goto exit1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (!request_mem_region(p_dev->resource[2]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 				resource_size(p_dev->resource[2]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 				IPWIRELESS_PCCARD_NAME)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		goto exit2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	p_dev->resource[3]->flags |= WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 					WIN_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	p_dev->resource[3]->end = 0; /* this used to be 0x1000 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	ret = pcmcia_request_window(p_dev, p_dev->resource[3], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		goto exit3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	ret = pcmcia_map_mem_page(p_dev, p_dev->resource[3], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		goto exit3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	ipw->attr_memory = ioremap(p_dev->resource[3]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 				resource_size(p_dev->resource[3]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (!ipw->attr_memory) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		goto exit3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	if (!request_mem_region(p_dev->resource[3]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 				resource_size(p_dev->resource[3]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 				IPWIRELESS_PCCARD_NAME)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		goto exit4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) exit4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	iounmap(ipw->attr_memory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) exit3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	release_mem_region(p_dev->resource[2]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 			resource_size(p_dev->resource[2]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) exit2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	iounmap(ipw->common_memory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) exit1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	release_region(p_dev->resource[0]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		       resource_size(p_dev->resource[0]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	pcmcia_disable_device(p_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static int config_ipwireless(struct ipw_dev *ipw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	struct pcmcia_device *link = ipw->link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	ipw->is_v2_card = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	link->config_flags |= CONF_AUTO_SET_IO | CONF_AUTO_SET_IOMEM |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		CONF_ENABLE_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	ret = pcmcia_loop_config(link, ipwireless_probe, ipw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	INIT_WORK(&ipw->work_reboot, signalled_reboot_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	ipwireless_init_hardware_v1(ipw->hardware, link->resource[0]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 				    ipw->attr_memory, ipw->common_memory,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 				    ipw->is_v2_card, signalled_reboot_callback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 				    ipw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	ret = pcmcia_request_irq(link, ipwireless_interrupt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 			ipw->is_v2_card ? "V2/V3" : "V1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	printk(KERN_INFO IPWIRELESS_PCCARD_NAME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		": I/O ports %pR, irq %d\n", link->resource[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			(unsigned int) link->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	if (ipw->attr_memory && ipw->common_memory)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		printk(KERN_INFO IPWIRELESS_PCCARD_NAME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 			": attr memory %pR, common memory %pR\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 			link->resource[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			link->resource[2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	ipw->network = ipwireless_network_create(ipw->hardware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	if (!ipw->network)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	if (!ipw->tty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	ipwireless_init_hardware_v2_v3(ipw->hardware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	 * Do the RequestConfiguration last, because it enables interrupts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	 * Then we don't get any interrupts before we're ready for them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	ret = pcmcia_enable_device(link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	if (ipw->common_memory) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		release_mem_region(link->resource[2]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 				resource_size(link->resource[2]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		iounmap(ipw->common_memory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	if (ipw->attr_memory) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		release_mem_region(link->resource[3]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 				resource_size(link->resource[3]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		iounmap(ipw->attr_memory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	pcmcia_disable_device(link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static void release_ipwireless(struct ipw_dev *ipw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	release_region(ipw->link->resource[0]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		       resource_size(ipw->link->resource[0]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	if (ipw->common_memory) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		release_mem_region(ipw->link->resource[2]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 				resource_size(ipw->link->resource[2]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		iounmap(ipw->common_memory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	if (ipw->attr_memory) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		release_mem_region(ipw->link->resource[3]->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 				resource_size(ipw->link->resource[3]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		iounmap(ipw->attr_memory);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	pcmcia_disable_device(ipw->link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)  * ipwireless_attach() creates an "instance" of the driver, allocating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)  * local data structures for one device (one interface).  The device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)  * is registered with Card Services.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)  * The pcmcia_device structure is initialized, but we don't actually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)  * configure the card at this point -- we wait until we receive a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)  * card insertion event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static int ipwireless_attach(struct pcmcia_device *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	struct ipw_dev *ipw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	ipw = kzalloc(sizeof(struct ipw_dev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	if (!ipw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	ipw->link = link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	link->priv = ipw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	ipw->hardware = ipwireless_hardware_create();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	if (!ipw->hardware) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		kfree(ipw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	/* RegisterClient will call config_ipwireless */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	ret = config_ipwireless(ipw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		ipwireless_detach(link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)  * This deletes a driver "instance".  The device is de-registered with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)  * Card Services.  If it has been released, all local data structures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)  * are freed.  Otherwise, the structures will be freed when the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)  * is released.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) static void ipwireless_detach(struct pcmcia_device *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	struct ipw_dev *ipw = link->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	release_ipwireless(ipw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	if (ipw->tty != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		ipwireless_tty_free(ipw->tty);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	if (ipw->network != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 		ipwireless_network_free(ipw->network);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	if (ipw->hardware != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		ipwireless_hardware_free(ipw->hardware);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	kfree(ipw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static struct pcmcia_driver me = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	.owner		= THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	.probe          = ipwireless_attach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	.remove         = ipwireless_detach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	.name		= IPWIRELESS_PCCARD_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	.id_table       = ipw_ids
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)  * Module insertion : initialisation of the module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)  * Register the card with cardmgr...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static int __init init_ipwireless(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	ret = ipwireless_tty_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	ret = pcmcia_register_driver(&me);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 		ipwireless_tty_release();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)  * Module removal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static void __exit exit_ipwireless(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	pcmcia_unregister_driver(&me);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	ipwireless_tty_release();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) module_init(init_ipwireless);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) module_exit(exit_ipwireless);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) MODULE_AUTHOR(IPWIRELESS_PCMCIA_AUTHOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) MODULE_DESCRIPTION(IPWIRELESS_PCCARD_NAME " " IPWIRELESS_PCMCIA_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) MODULE_LICENSE("GPL");