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Diffstat (limited to 'drivers/pnp/quirks.c')
-rw-r--r--drivers/pnp/quirks.c290
1 files changed, 155 insertions, 135 deletions
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index e8515ce0d296..55f55ed72dc7 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -5,6 +5,8 @@
5 * when building up the resource structure for the first time. 5 * when building up the resource structure for the first time.
6 * 6 *
7 * Copyright (c) 2000 Peter Denison <peterd@pnd-pc.demon.co.uk> 7 * Copyright (c) 2000 Peter Denison <peterd@pnd-pc.demon.co.uk>
8 * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
9 * Bjorn Helgaas <bjorn.helgaas@hp.com>
8 * 10 *
9 * Heavily based on PCI quirks handling which is 11 * Heavily based on PCI quirks handling which is
10 * 12 *
@@ -20,189 +22,207 @@
20#include <linux/kallsyms.h> 22#include <linux/kallsyms.h>
21#include "base.h" 23#include "base.h"
22 24
25static void quirk_awe32_add_ports(struct pnp_dev *dev,
26 struct pnp_option *option,
27 unsigned int offset)
28{
29 struct pnp_option *new_option;
30
31 new_option = kmalloc(sizeof(struct pnp_option), GFP_KERNEL);
32 if (!new_option) {
33 dev_err(&dev->dev, "couldn't add ioport region to option set "
34 "%d\n", pnp_option_set(option));
35 return;
36 }
37
38 *new_option = *option;
39 new_option->u.port.min += offset;
40 new_option->u.port.max += offset;
41 list_add(&new_option->list, &option->list);
42
43 dev_info(&dev->dev, "added ioport region %#llx-%#llx to set %d\n",
44 (unsigned long long) new_option->u.port.min,
45 (unsigned long long) new_option->u.port.max,
46 pnp_option_set(option));
47}
48
23static void quirk_awe32_resources(struct pnp_dev *dev) 49static void quirk_awe32_resources(struct pnp_dev *dev)
24{ 50{
25 struct pnp_port *port, *port2, *port3; 51 struct pnp_option *option;
26 struct pnp_option *res = dev->dependent; 52 unsigned int set = ~0;
27 53
28 /* 54 /*
29 * Unfortunately the isapnp_add_port_resource is too tightly bound 55 * Add two extra ioport regions (at offset 0x400 and 0x800 from the
30 * into the PnP discovery sequence, and cannot be used. Link in the 56 * one given) to every dependent option set.
31 * two extra ports (at offset 0x400 and 0x800 from the one given) by
32 * hand.
33 */ 57 */
34 for (; res; res = res->next) { 58 list_for_each_entry(option, &dev->options, list) {
35 port2 = pnp_alloc(sizeof(struct pnp_port)); 59 if (pnp_option_is_dependent(option) &&
36 if (!port2) 60 pnp_option_set(option) != set) {
37 return; 61 set = pnp_option_set(option);
38 port3 = pnp_alloc(sizeof(struct pnp_port)); 62 quirk_awe32_add_ports(dev, option, 0x800);
39 if (!port3) { 63 quirk_awe32_add_ports(dev, option, 0x400);
40 kfree(port2);
41 return;
42 } 64 }
43 port = res->port;
44 memcpy(port2, port, sizeof(struct pnp_port));
45 memcpy(port3, port, sizeof(struct pnp_port));
46 port->next = port2;
47 port2->next = port3;
48 port2->min += 0x400;
49 port2->max += 0x400;
50 port3->min += 0x800;
51 port3->max += 0x800;
52 dev_info(&dev->dev,
53 "AWE32 quirk - added ioports 0x%lx and 0x%lx\n",
54 (unsigned long)port2->min,
55 (unsigned long)port3->min);
56 } 65 }
57} 66}
58 67
59static void quirk_cmi8330_resources(struct pnp_dev *dev) 68static void quirk_cmi8330_resources(struct pnp_dev *dev)
60{ 69{
61 struct pnp_option *res = dev->dependent; 70 struct pnp_option *option;
62 unsigned long tmp; 71 struct pnp_irq *irq;
63 72 struct pnp_dma *dma;
64 for (; res; res = res->next) {
65
66 struct pnp_irq *irq;
67 struct pnp_dma *dma;
68 73
69 for (irq = res->irq; irq; irq = irq->next) { 74 list_for_each_entry(option, &dev->options, list) {
70 /* Valid irqs are 5, 7, 10 */ 75 if (!pnp_option_is_dependent(option))
71 tmp = 0x04A0; 76 continue;
72 bitmap_copy(irq->map.bits, &tmp, 16);
73 }
74 77
75 for (dma = res->dma; dma; dma = dma->next) { 78 if (option->type == IORESOURCE_IRQ) {
76 /* Valid 8bit dma channels are 1,3 */ 79 irq = &option->u.irq;
80 bitmap_zero(irq->map.bits, PNP_IRQ_NR);
81 __set_bit(5, irq->map.bits);
82 __set_bit(7, irq->map.bits);
83 __set_bit(10, irq->map.bits);
84 dev_info(&dev->dev, "set possible IRQs in "
85 "option set %d to 5, 7, 10\n",
86 pnp_option_set(option));
87 } else if (option->type == IORESOURCE_DMA) {
88 dma = &option->u.dma;
77 if ((dma->flags & IORESOURCE_DMA_TYPE_MASK) == 89 if ((dma->flags & IORESOURCE_DMA_TYPE_MASK) ==
78 IORESOURCE_DMA_8BIT) 90 IORESOURCE_DMA_8BIT &&
79 dma->map = 0x000A; 91 dma->map != 0x0A) {
92 dev_info(&dev->dev, "changing possible "
93 "DMA channel mask in option set %d "
94 "from %#02x to 0x0A (1, 3)\n",
95 pnp_option_set(option), dma->map);
96 dma->map = 0x0A;
97 }
80 } 98 }
81 } 99 }
82 dev_info(&dev->dev, "CMI8330 quirk - forced possible IRQs to 5, 7, 10 "
83 "and DMA channels to 1, 3\n");
84} 100}
85 101
86static void quirk_sb16audio_resources(struct pnp_dev *dev) 102static void quirk_sb16audio_resources(struct pnp_dev *dev)
87{ 103{
104 struct pnp_option *option;
105 unsigned int prev_option_flags = ~0, n = 0;
88 struct pnp_port *port; 106 struct pnp_port *port;
89 struct pnp_option *res = dev->dependent;
90 int changed = 0;
91 107
92 /* 108 /*
93 * The default range on the mpu port for these devices is 0x388-0x388. 109 * The default range on the OPL port for these devices is 0x388-0x388.
94 * Here we increase that range so that two such cards can be 110 * Here we increase that range so that two such cards can be
95 * auto-configured. 111 * auto-configured.
96 */ 112 */
113 list_for_each_entry(option, &dev->options, list) {
114 if (prev_option_flags != option->flags) {
115 prev_option_flags = option->flags;
116 n = 0;
117 }
97 118
98 for (; res; res = res->next) { 119 if (pnp_option_is_dependent(option) &&
99 port = res->port; 120 option->type == IORESOURCE_IO) {
100 if (!port) 121 n++;
101 continue; 122 port = &option->u.port;
102 port = port->next; 123 if (n == 3 && port->min == port->max) {
103 if (!port) 124 port->max += 0x70;
104 continue; 125 dev_info(&dev->dev, "increased option port "
105 port = port->next; 126 "range from %#llx-%#llx to "
106 if (!port) 127 "%#llx-%#llx\n",
107 continue; 128 (unsigned long long) port->min,
108 if (port->min != port->max) 129 (unsigned long long) port->min,
109 continue; 130 (unsigned long long) port->min,
110 port->max += 0x70; 131 (unsigned long long) port->max);
111 changed = 1; 132 }
133 }
112 } 134 }
113 if (changed)
114 dev_info(&dev->dev, "SB audio device quirk - increased port range\n");
115} 135}
116 136
117static struct pnp_option *quirk_isapnp_mpu_options(struct pnp_dev *dev) 137static struct pnp_option *pnp_clone_dependent_set(struct pnp_dev *dev,
138 unsigned int set)
118{ 139{
119 struct pnp_option *head = NULL; 140 struct pnp_option *tail = NULL, *first_new_option = NULL;
120 struct pnp_option *prev = NULL; 141 struct pnp_option *option, *new_option;
121 struct pnp_option *res; 142 unsigned int flags;
122
123 /*
124 * Build a functional IRQ-optional variant of each MPU option.
125 */
126
127 for (res = dev->dependent; res; res = res->next) {
128 struct pnp_option *curr;
129 struct pnp_port *port;
130 struct pnp_port *copy_port;
131 struct pnp_irq *irq;
132 struct pnp_irq *copy_irq;
133
134 port = res->port;
135 irq = res->irq;
136 if (!port || !irq)
137 continue;
138 143
139 copy_port = pnp_alloc(sizeof *copy_port); 144 list_for_each_entry(option, &dev->options, list) {
140 if (!copy_port) 145 if (pnp_option_is_dependent(option))
141 break; 146 tail = option;
142 147 }
143 copy_irq = pnp_alloc(sizeof *copy_irq); 148 if (!tail) {
144 if (!copy_irq) { 149 dev_err(&dev->dev, "no dependent option sets\n");
145 kfree(copy_port); 150 return NULL;
146 break; 151 }
147 }
148 152
149 *copy_port = *port; 153 flags = pnp_new_dependent_set(dev, PNP_RES_PRIORITY_FUNCTIONAL);
150 copy_port->next = NULL; 154 list_for_each_entry(option, &dev->options, list) {
155 if (pnp_option_is_dependent(option) &&
156 pnp_option_set(option) == set) {
157 new_option = kmalloc(sizeof(struct pnp_option),
158 GFP_KERNEL);
159 if (!new_option) {
160 dev_err(&dev->dev, "couldn't clone dependent "
161 "set %d\n", set);
162 return NULL;
163 }
151 164
152 *copy_irq = *irq; 165 *new_option = *option;
153 copy_irq->flags |= IORESOURCE_IRQ_OPTIONAL; 166 new_option->flags = flags;
154 copy_irq->next = NULL; 167 if (!first_new_option)
168 first_new_option = new_option;
155 169
156 curr = pnp_build_option(PNP_RES_PRIORITY_FUNCTIONAL); 170 list_add(&new_option->list, &tail->list);
157 if (!curr) { 171 tail = new_option;
158 kfree(copy_port);
159 kfree(copy_irq);
160 break;
161 } 172 }
162 curr->port = copy_port;
163 curr->irq = copy_irq;
164
165 if (prev)
166 prev->next = curr;
167 else
168 head = curr;
169 prev = curr;
170 } 173 }
171 if (head)
172 dev_info(&dev->dev, "adding IRQ-optional MPU options\n");
173 174
174 return head; 175 return first_new_option;
175} 176}
176 177
177static void quirk_ad1815_mpu_resources(struct pnp_dev *dev) 178
179static void quirk_add_irq_optional_dependent_sets(struct pnp_dev *dev)
178{ 180{
179 struct pnp_option *res; 181 struct pnp_option *new_option;
182 unsigned int num_sets, i, set;
180 struct pnp_irq *irq; 183 struct pnp_irq *irq;
181 184
182 res = dev->independent; 185 num_sets = dev->num_dependent_sets;
183 if (!res) 186 for (i = 0; i < num_sets; i++) {
184 return; 187 new_option = pnp_clone_dependent_set(dev, i);
188 if (!new_option)
189 return;
185 190
186 irq = res->irq; 191 set = pnp_option_set(new_option);
187 if (!irq || irq->next) 192 while (new_option && pnp_option_set(new_option) == set) {
188 return; 193 if (new_option->type == IORESOURCE_IRQ) {
194 irq = &new_option->u.irq;
195 irq->flags |= IORESOURCE_IRQ_OPTIONAL;
196 }
197 dbg_pnp_show_option(dev, new_option);
198 new_option = list_entry(new_option->list.next,
199 struct pnp_option, list);
200 }
189 201
190 irq->flags |= IORESOURCE_IRQ_OPTIONAL; 202 dev_info(&dev->dev, "added dependent option set %d (same as "
191 dev_info(&dev->dev, "made independent IRQ optional\n"); 203 "set %d except IRQ optional)\n", set, i);
204 }
192} 205}
193 206
194static void quirk_isapnp_mpu_resources(struct pnp_dev *dev) 207static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
195{ 208{
196 struct pnp_option *res; 209 struct pnp_option *option;
210 struct pnp_irq *irq = NULL;
211 unsigned int independent_irqs = 0;
212
213 list_for_each_entry(option, &dev->options, list) {
214 if (option->type == IORESOURCE_IRQ &&
215 !pnp_option_is_dependent(option)) {
216 independent_irqs++;
217 irq = &option->u.irq;
218 }
219 }
197 220
198 res = dev->dependent; 221 if (independent_irqs != 1)
199 if (!res)
200 return; 222 return;
201 223
202 while (res->next) 224 irq->flags |= IORESOURCE_IRQ_OPTIONAL;
203 res = res->next; 225 dev_info(&dev->dev, "made independent IRQ optional\n");
204
205 res->next = quirk_isapnp_mpu_options(dev);
206} 226}
207 227
208#include <linux/pci.h> 228#include <linux/pci.h>
@@ -297,10 +317,10 @@ static struct pnp_fixup pnp_fixups[] = {
297 {"CTL0043", quirk_sb16audio_resources}, 317 {"CTL0043", quirk_sb16audio_resources},
298 {"CTL0044", quirk_sb16audio_resources}, 318 {"CTL0044", quirk_sb16audio_resources},
299 {"CTL0045", quirk_sb16audio_resources}, 319 {"CTL0045", quirk_sb16audio_resources},
300 /* Add IRQ-less MPU options */ 320 /* Add IRQ-optional MPU options */
301 {"ADS7151", quirk_ad1815_mpu_resources}, 321 {"ADS7151", quirk_ad1815_mpu_resources},
302 {"ADS7181", quirk_isapnp_mpu_resources}, 322 {"ADS7181", quirk_add_irq_optional_dependent_sets},
303 {"AZT0002", quirk_isapnp_mpu_resources}, 323 {"AZT0002", quirk_add_irq_optional_dependent_sets},
304 /* PnP resources that might overlap PCI BARs */ 324 /* PnP resources that might overlap PCI BARs */
305 {"PNP0c01", quirk_system_pci_resources}, 325 {"PNP0c01", quirk_system_pci_resources},
306 {"PNP0c02", quirk_system_pci_resources}, 326 {"PNP0c02", quirk_system_pci_resources},
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 14:15:15 -0500