Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Regular cardbus driver ("yenta_socket") |
| 3 | * |
| 4 | * (C) Copyright 1999, 2000 Linus Torvalds |
| 5 | * |
| 6 | * Changelog: |
| 7 | * Aug 2002: Manfred Spraul <manfred@colorfullife.com> |
| 8 | * Dynamically adjust the size of the bridge resource |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 9 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * May 2003: Dominik Brodowski <linux@brodo.de> |
| 11 | * Merge pci_socket.c and yenta.c into one file |
| 12 | */ |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/pci.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include <linux/workqueue.h> |
| 16 | #include <linux/interrupt.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/module.h> |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 19 | #include <linux/io.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 20 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <pcmcia/ss.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "yenta_socket.h" |
| 25 | #include "i82365.h" |
| 26 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 27 | static bool disable_clkrun; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | module_param(disable_clkrun, bool, 0444); |
| 29 | MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option"); |
| 30 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 31 | static bool isa_probe = 1; |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 32 | module_param(isa_probe, bool, 0444); |
| 33 | MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing"); |
| 34 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 35 | static bool pwr_irqs_off; |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 36 | module_param(pwr_irqs_off, bool, 0644); |
| 37 | MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!"); |
| 38 | |
Wolfram Sang | 3516952 | 2010-01-10 09:41:24 +0100 | [diff] [blame] | 39 | static char o2_speedup[] = "default"; |
| 40 | module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444); |
| 41 | MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' " |
| 42 | "or 'default' (uses recommended behaviour for the detected bridge)"); |
| 43 | |
Jens Künzer | 0d3a940 | 2010-03-06 08:27:22 +0100 | [diff] [blame] | 44 | /* |
| 45 | * Only probe "regular" interrupts, don't |
| 46 | * touch dangerous spots like the mouse irq, |
| 47 | * because there are mice that apparently |
| 48 | * get really confused if they get fondled |
| 49 | * too intimately. |
| 50 | * |
| 51 | * Default to 11, 10, 9, 7, 6, 5, 4, 3. |
| 52 | */ |
| 53 | static u32 isa_interrupts = 0x0ef8; |
| 54 | |
| 55 | |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 56 | #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
| 58 | /* Don't ask.. */ |
| 59 | #define to_cycles(ns) ((ns)/120) |
| 60 | #define to_ns(cycles) ((cycles)*120) |
| 61 | |
Randy Dunlap | 7818786 | 2007-12-10 15:49:22 -0800 | [diff] [blame] | 62 | /* |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 63 | * yenta PCI irq probing. |
| 64 | * currently only used in the TI/EnE initialization code |
| 65 | */ |
| 66 | #ifdef CONFIG_YENTA_TI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | static int yenta_probe_cb_irq(struct yenta_socket *socket); |
Jens Künzer | 0d3a940 | 2010-03-06 08:27:22 +0100 | [diff] [blame] | 68 | static unsigned int yenta_probe_irq(struct yenta_socket *socket, |
| 69 | u32 isa_irq_mask); |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 70 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | |
| 73 | static unsigned int override_bios; |
| 74 | module_param(override_bios, uint, 0000); |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 75 | MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
| 77 | /* |
| 78 | * Generate easy-to-use ways of reading a cardbus sockets |
| 79 | * regular memory space ("cb_xxx"), configuration space |
| 80 | * ("config_xxx") and compatibility space ("exca_xxxx") |
| 81 | */ |
| 82 | static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg) |
| 83 | { |
| 84 | u32 val = readl(socket->base + reg); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 85 | debug("%04x %08x\n", socket, reg, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | return val; |
| 87 | } |
| 88 | |
| 89 | static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val) |
| 90 | { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 91 | debug("%04x %08x\n", socket, reg, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | writel(val, socket->base + reg); |
Daniel Ritz | c8751e4 | 2005-09-09 13:03:25 -0700 | [diff] [blame] | 93 | readl(socket->base + reg); /* avoid problems with PCI write posting */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | static inline u8 config_readb(struct yenta_socket *socket, unsigned offset) |
| 97 | { |
| 98 | u8 val; |
| 99 | pci_read_config_byte(socket->dev, offset, &val); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 100 | debug("%04x %02x\n", socket, offset, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | return val; |
| 102 | } |
| 103 | |
| 104 | static inline u16 config_readw(struct yenta_socket *socket, unsigned offset) |
| 105 | { |
| 106 | u16 val; |
| 107 | pci_read_config_word(socket->dev, offset, &val); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 108 | debug("%04x %04x\n", socket, offset, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | return val; |
| 110 | } |
| 111 | |
| 112 | static inline u32 config_readl(struct yenta_socket *socket, unsigned offset) |
| 113 | { |
| 114 | u32 val; |
| 115 | pci_read_config_dword(socket->dev, offset, &val); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 116 | debug("%04x %08x\n", socket, offset, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | return val; |
| 118 | } |
| 119 | |
| 120 | static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val) |
| 121 | { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 122 | debug("%04x %02x\n", socket, offset, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | pci_write_config_byte(socket->dev, offset, val); |
| 124 | } |
| 125 | |
| 126 | static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val) |
| 127 | { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 128 | debug("%04x %04x\n", socket, offset, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | pci_write_config_word(socket->dev, offset, val); |
| 130 | } |
| 131 | |
| 132 | static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val) |
| 133 | { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 134 | debug("%04x %08x\n", socket, offset, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | pci_write_config_dword(socket->dev, offset, val); |
| 136 | } |
| 137 | |
| 138 | static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg) |
| 139 | { |
| 140 | u8 val = readb(socket->base + 0x800 + reg); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 141 | debug("%04x %02x\n", socket, reg, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | return val; |
| 143 | } |
| 144 | |
| 145 | static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg) |
| 146 | { |
| 147 | u16 val; |
| 148 | val = readb(socket->base + 0x800 + reg); |
| 149 | val |= readb(socket->base + 0x800 + reg + 1) << 8; |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 150 | debug("%04x %04x\n", socket, reg, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | return val; |
| 152 | } |
| 153 | |
| 154 | static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val) |
| 155 | { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 156 | debug("%04x %02x\n", socket, reg, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | writeb(val, socket->base + 0x800 + reg); |
Daniel Ritz | c8751e4 | 2005-09-09 13:03:25 -0700 | [diff] [blame] | 158 | readb(socket->base + 0x800 + reg); /* PCI write posting... */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val) |
| 162 | { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 163 | debug("%04x %04x\n", socket, reg, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | writeb(val, socket->base + 0x800 + reg); |
| 165 | writeb(val >> 8, socket->base + 0x800 + reg + 1); |
Daniel Ritz | c8751e4 | 2005-09-09 13:03:25 -0700 | [diff] [blame] | 166 | |
| 167 | /* PCI write posting... */ |
| 168 | readb(socket->base + 0x800 + reg); |
| 169 | readb(socket->base + 0x800 + reg + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Linus Torvalds | 030ee39 | 2005-10-28 13:55:08 -0700 | [diff] [blame] | 172 | static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf) |
| 173 | { |
| 174 | struct pci_dev *dev = to_pci_dev(yentadev); |
| 175 | struct yenta_socket *socket = pci_get_drvdata(dev); |
| 176 | int offset = 0, i; |
| 177 | |
| 178 | offset = snprintf(buf, PAGE_SIZE, "CB registers:"); |
| 179 | for (i = 0; i < 0x24; i += 4) { |
| 180 | unsigned val; |
| 181 | if (!(i & 15)) |
| 182 | offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i); |
| 183 | val = cb_readl(socket, i); |
| 184 | offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val); |
| 185 | } |
| 186 | |
| 187 | offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:"); |
| 188 | for (i = 0; i < 0x45; i++) { |
| 189 | unsigned char val; |
| 190 | if (!(i & 7)) { |
| 191 | if (i & 8) { |
| 192 | memcpy(buf + offset, " -", 2); |
| 193 | offset += 2; |
| 194 | } else |
| 195 | offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i); |
| 196 | } |
| 197 | val = exca_readb(socket, i); |
| 198 | offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val); |
| 199 | } |
| 200 | buf[offset++] = '\n'; |
| 201 | return offset; |
| 202 | } |
| 203 | |
| 204 | static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL); |
| 205 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | /* |
| 207 | * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend |
| 208 | * on what kind of card is inserted.. |
| 209 | */ |
| 210 | static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value) |
| 211 | { |
| 212 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
| 213 | unsigned int val; |
| 214 | u32 state = cb_readl(socket, CB_SOCKET_STATE); |
| 215 | |
| 216 | val = (state & CB_3VCARD) ? SS_3VCARD : 0; |
| 217 | val |= (state & CB_XVCARD) ? SS_XVCARD : 0; |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 218 | val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING; |
| 219 | val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0; |
| 220 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | |
| 222 | if (state & CB_CBCARD) { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 223 | val |= SS_CARDBUS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | val |= (state & CB_CARDSTS) ? SS_STSCHG : 0; |
| 225 | val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT; |
| 226 | val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0; |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 227 | } else if (state & CB_16BITCARD) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | u8 status = exca_readb(socket, I365_STATUS); |
| 229 | val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; |
| 230 | if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { |
| 231 | val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; |
| 232 | } else { |
| 233 | val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; |
| 234 | val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; |
| 235 | } |
| 236 | val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; |
| 237 | val |= (status & I365_CS_READY) ? SS_READY : 0; |
| 238 | val |= (status & I365_CS_POWERON) ? SS_POWERON : 0; |
| 239 | } |
| 240 | |
| 241 | *value = val; |
| 242 | return 0; |
| 243 | } |
| 244 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state) |
| 246 | { |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 247 | /* some birdges require to use the ExCA registers to power 16bit cards */ |
| 248 | if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) && |
| 249 | (socket->flags & YENTA_16BIT_POWER_EXCA)) { |
| 250 | u8 reg, old; |
| 251 | reg = old = exca_readb(socket, I365_POWER); |
| 252 | reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK); |
| 253 | |
| 254 | /* i82365SL-DF style */ |
| 255 | if (socket->flags & YENTA_16BIT_POWER_DF) { |
| 256 | switch (state->Vcc) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 257 | case 33: |
| 258 | reg |= I365_VCC_3V; |
| 259 | break; |
| 260 | case 50: |
| 261 | reg |= I365_VCC_5V; |
| 262 | break; |
| 263 | default: |
| 264 | reg = 0; |
| 265 | break; |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 266 | } |
| 267 | switch (state->Vpp) { |
| 268 | case 33: |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 269 | case 50: |
| 270 | reg |= I365_VPP1_5V; |
| 271 | break; |
| 272 | case 120: |
| 273 | reg |= I365_VPP1_12V; |
| 274 | break; |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 275 | } |
| 276 | } else { |
| 277 | /* i82365SL-B style */ |
| 278 | switch (state->Vcc) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 279 | case 50: |
| 280 | reg |= I365_VCC_5V; |
| 281 | break; |
| 282 | default: |
| 283 | reg = 0; |
| 284 | break; |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 285 | } |
| 286 | switch (state->Vpp) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 287 | case 50: |
| 288 | reg |= I365_VPP1_5V | I365_VPP2_5V; |
| 289 | break; |
| 290 | case 120: |
| 291 | reg |= I365_VPP1_12V | I365_VPP2_12V; |
| 292 | break; |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 293 | } |
| 294 | } |
| 295 | |
| 296 | if (reg != old) |
| 297 | exca_writeb(socket, I365_POWER, reg); |
| 298 | } else { |
| 299 | u32 reg = 0; /* CB_SC_STPCLK? */ |
| 300 | switch (state->Vcc) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 301 | case 33: |
| 302 | reg = CB_SC_VCC_3V; |
| 303 | break; |
| 304 | case 50: |
| 305 | reg = CB_SC_VCC_5V; |
| 306 | break; |
| 307 | default: |
| 308 | reg = 0; |
| 309 | break; |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 310 | } |
| 311 | switch (state->Vpp) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 312 | case 33: |
| 313 | reg |= CB_SC_VPP_3V; |
| 314 | break; |
| 315 | case 50: |
| 316 | reg |= CB_SC_VPP_5V; |
| 317 | break; |
| 318 | case 120: |
| 319 | reg |= CB_SC_VPP_12V; |
| 320 | break; |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 321 | } |
| 322 | if (reg != cb_readl(socket, CB_SOCKET_CONTROL)) |
| 323 | cb_writel(socket, CB_SOCKET_CONTROL, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state) |
| 328 | { |
| 329 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
| 330 | u16 bridge; |
| 331 | |
Daniel Ritz | d250a48 | 2006-03-06 17:37:04 +0100 | [diff] [blame] | 332 | /* if powering down: do it immediately */ |
| 333 | if (state->Vcc == 0) |
| 334 | yenta_set_power(socket, state); |
| 335 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | socket->io_irq = state->io_irq; |
| 337 | bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR); |
| 338 | if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) { |
| 339 | u8 intr; |
| 340 | bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0; |
| 341 | |
| 342 | /* ISA interrupt control? */ |
| 343 | intr = exca_readb(socket, I365_INTCTL); |
| 344 | intr = (intr & ~0xf); |
Jens Künzer | ba8819e | 2010-03-06 08:02:24 +0100 | [diff] [blame] | 345 | if (!socket->dev->irq) { |
| 346 | intr |= socket->cb_irq ? socket->cb_irq : state->io_irq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | bridge |= CB_BRIDGE_INTR; |
| 348 | } |
| 349 | exca_writeb(socket, I365_INTCTL, intr); |
| 350 | } else { |
| 351 | u8 reg; |
| 352 | |
| 353 | reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA); |
| 354 | reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; |
| 355 | reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; |
Jens Künzer | ba8819e | 2010-03-06 08:02:24 +0100 | [diff] [blame] | 356 | if (state->io_irq != socket->dev->irq) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | reg |= state->io_irq; |
| 358 | bridge |= CB_BRIDGE_INTR; |
| 359 | } |
| 360 | exca_writeb(socket, I365_INTCTL, reg); |
| 361 | |
| 362 | reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK); |
| 363 | reg |= I365_PWR_NORESET; |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 364 | if (state->flags & SS_PWR_AUTO) |
| 365 | reg |= I365_PWR_AUTO; |
| 366 | if (state->flags & SS_OUTPUT_ENA) |
| 367 | reg |= I365_PWR_OUT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | if (exca_readb(socket, I365_POWER) != reg) |
| 369 | exca_writeb(socket, I365_POWER, reg); |
| 370 | |
| 371 | /* CSC interrupt: no ISA irq for CSC */ |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 372 | reg = exca_readb(socket, I365_CSCINT); |
| 373 | reg &= I365_CSC_IRQ_MASK; |
| 374 | reg |= I365_CSC_DETECT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | if (state->flags & SS_IOCARD) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 376 | if (state->csc_mask & SS_STSCHG) |
| 377 | reg |= I365_CSC_STSCHG; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | } else { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 379 | if (state->csc_mask & SS_BATDEAD) |
| 380 | reg |= I365_CSC_BVD1; |
| 381 | if (state->csc_mask & SS_BATWARN) |
| 382 | reg |= I365_CSC_BVD2; |
| 383 | if (state->csc_mask & SS_READY) |
| 384 | reg |= I365_CSC_READY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | } |
| 386 | exca_writeb(socket, I365_CSCINT, reg); |
| 387 | exca_readb(socket, I365_CSC); |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 388 | if (sock->zoom_video) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | sock->zoom_video(sock, state->flags & SS_ZVCARD); |
| 390 | } |
| 391 | config_writew(socket, CB_BRIDGE_CONTROL, bridge); |
| 392 | /* Socket event mask: get card insert/remove events.. */ |
| 393 | cb_writel(socket, CB_SOCKET_EVENT, -1); |
| 394 | cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); |
Daniel Ritz | d250a48 | 2006-03-06 17:37:04 +0100 | [diff] [blame] | 395 | |
| 396 | /* if powering up: do it as the last step when the socket is configured */ |
| 397 | if (state->Vcc != 0) |
| 398 | yenta_set_power(socket, state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io) |
| 403 | { |
| 404 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
| 405 | int map; |
| 406 | unsigned char ioctl, addr, enable; |
| 407 | |
| 408 | map = io->map; |
| 409 | |
| 410 | if (map > 1) |
| 411 | return -EINVAL; |
| 412 | |
| 413 | enable = I365_ENA_IO(map); |
| 414 | addr = exca_readb(socket, I365_ADDRWIN); |
| 415 | |
| 416 | /* Disable the window before changing it.. */ |
| 417 | if (addr & enable) { |
| 418 | addr &= ~enable; |
| 419 | exca_writeb(socket, I365_ADDRWIN, addr); |
| 420 | } |
| 421 | |
| 422 | exca_writew(socket, I365_IO(map)+I365_W_START, io->start); |
| 423 | exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop); |
| 424 | |
| 425 | ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map); |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 426 | if (io->flags & MAP_0WS) |
| 427 | ioctl |= I365_IOCTL_0WS(map); |
| 428 | if (io->flags & MAP_16BIT) |
| 429 | ioctl |= I365_IOCTL_16BIT(map); |
| 430 | if (io->flags & MAP_AUTOSZ) |
| 431 | ioctl |= I365_IOCTL_IOCS16(map); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | exca_writeb(socket, I365_IOCTL, ioctl); |
| 433 | |
| 434 | if (io->flags & MAP_ACTIVE) |
| 435 | exca_writeb(socket, I365_ADDRWIN, addr | enable); |
| 436 | return 0; |
| 437 | } |
| 438 | |
| 439 | static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem) |
| 440 | { |
| 441 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
| 442 | struct pci_bus_region region; |
| 443 | int map; |
| 444 | unsigned char addr, enable; |
| 445 | unsigned int start, stop, card_start; |
| 446 | unsigned short word; |
| 447 | |
Yinghai Lu | fc27985 | 2013-12-09 22:54:40 -0800 | [diff] [blame] | 448 | pcibios_resource_to_bus(socket->dev->bus, ®ion, mem->res); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | |
| 450 | map = mem->map; |
| 451 | start = region.start; |
| 452 | stop = region.end; |
| 453 | card_start = mem->card_start; |
| 454 | |
| 455 | if (map > 4 || start > stop || ((start ^ stop) >> 24) || |
| 456 | (card_start >> 26) || mem->speed > 1000) |
| 457 | return -EINVAL; |
| 458 | |
| 459 | enable = I365_ENA_MEM(map); |
| 460 | addr = exca_readb(socket, I365_ADDRWIN); |
| 461 | if (addr & enable) { |
| 462 | addr &= ~enable; |
| 463 | exca_writeb(socket, I365_ADDRWIN, addr); |
| 464 | } |
| 465 | |
| 466 | exca_writeb(socket, CB_MEM_PAGE(map), start >> 24); |
| 467 | |
| 468 | word = (start >> 12) & 0x0fff; |
| 469 | if (mem->flags & MAP_16BIT) |
| 470 | word |= I365_MEM_16BIT; |
| 471 | if (mem->flags & MAP_0WS) |
| 472 | word |= I365_MEM_0WS; |
| 473 | exca_writew(socket, I365_MEM(map) + I365_W_START, word); |
| 474 | |
| 475 | word = (stop >> 12) & 0x0fff; |
| 476 | switch (to_cycles(mem->speed)) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 477 | case 0: |
| 478 | break; |
| 479 | case 1: |
| 480 | word |= I365_MEM_WS0; |
| 481 | break; |
| 482 | case 2: |
| 483 | word |= I365_MEM_WS1; |
| 484 | break; |
| 485 | default: |
| 486 | word |= I365_MEM_WS1 | I365_MEM_WS0; |
| 487 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | } |
| 489 | exca_writew(socket, I365_MEM(map) + I365_W_STOP, word); |
| 490 | |
| 491 | word = ((card_start - start) >> 12) & 0x3fff; |
| 492 | if (mem->flags & MAP_WRPROT) |
| 493 | word |= I365_MEM_WRPROT; |
| 494 | if (mem->flags & MAP_ATTRIB) |
| 495 | word |= I365_MEM_REG; |
| 496 | exca_writew(socket, I365_MEM(map) + I365_W_OFF, word); |
| 497 | |
| 498 | if (mem->flags & MAP_ACTIVE) |
| 499 | exca_writeb(socket, I365_ADDRWIN, addr | enable); |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 504 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 505 | static irqreturn_t yenta_interrupt(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | { |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 507 | unsigned int events; |
| 508 | struct yenta_socket *socket = (struct yenta_socket *) dev_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | u8 csc; |
| 510 | u32 cb_event; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | |
| 512 | /* Clear interrupt status for the event */ |
| 513 | cb_event = cb_readl(socket, CB_SOCKET_EVENT); |
| 514 | cb_writel(socket, CB_SOCKET_EVENT, cb_event); |
| 515 | |
| 516 | csc = exca_readb(socket, I365_CSC); |
| 517 | |
Daniel Ritz | e411580 | 2005-09-20 14:17:37 -0700 | [diff] [blame] | 518 | if (!(cb_event || csc)) |
| 519 | return IRQ_NONE; |
| 520 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ; |
| 522 | events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0; |
| 523 | if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) { |
| 524 | events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; |
| 525 | } else { |
| 526 | events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; |
| 527 | events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; |
| 528 | events |= (csc & I365_CSC_READY) ? SS_READY : 0; |
| 529 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 531 | if (events) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | pcmcia_parse_events(&socket->socket, events); |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 533 | |
Daniel Ritz | e411580 | 2005-09-20 14:17:37 -0700 | [diff] [blame] | 534 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | static void yenta_interrupt_wrapper(unsigned long data) |
| 538 | { |
| 539 | struct yenta_socket *socket = (struct yenta_socket *) data; |
| 540 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 541 | yenta_interrupt(0, (void *)socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | socket->poll_timer.expires = jiffies + HZ; |
| 543 | add_timer(&socket->poll_timer); |
| 544 | } |
| 545 | |
| 546 | static void yenta_clear_maps(struct yenta_socket *socket) |
| 547 | { |
| 548 | int i; |
| 549 | struct resource res = { .start = 0, .end = 0x0fff }; |
| 550 | pccard_io_map io = { 0, 0, 0, 0, 1 }; |
| 551 | pccard_mem_map mem = { .res = &res, }; |
| 552 | |
| 553 | yenta_set_socket(&socket->socket, &dead_socket); |
| 554 | for (i = 0; i < 2; i++) { |
| 555 | io.map = i; |
| 556 | yenta_set_io_map(&socket->socket, &io); |
| 557 | } |
| 558 | for (i = 0; i < 5; i++) { |
| 559 | mem.map = i; |
| 560 | yenta_set_mem_map(&socket->socket, &mem); |
| 561 | } |
| 562 | } |
| 563 | |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 564 | /* redoes voltage interrogation if required */ |
| 565 | static void yenta_interrogate(struct yenta_socket *socket) |
| 566 | { |
| 567 | u32 state; |
| 568 | |
| 569 | state = cb_readl(socket, CB_SOCKET_STATE); |
| 570 | if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) || |
| 571 | (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) || |
| 572 | ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD))) |
| 573 | cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST); |
| 574 | } |
| 575 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | /* Called at resume and initialization events */ |
| 577 | static int yenta_sock_init(struct pcmcia_socket *sock) |
| 578 | { |
| 579 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | |
| 581 | exca_writeb(socket, I365_GBLCTL, 0x00); |
| 582 | exca_writeb(socket, I365_GENCTL, 0x00); |
| 583 | |
| 584 | /* Redo card voltage interrogation */ |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 585 | yenta_interrogate(socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | |
| 587 | yenta_clear_maps(socket); |
| 588 | |
| 589 | if (socket->type && socket->type->sock_init) |
| 590 | socket->type->sock_init(socket); |
| 591 | |
| 592 | /* Re-enable CSC interrupts */ |
| 593 | cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK); |
| 594 | |
| 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | static int yenta_sock_suspend(struct pcmcia_socket *sock) |
| 599 | { |
| 600 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
| 601 | |
| 602 | /* Disable CSC interrupts */ |
| 603 | cb_writel(socket, CB_SOCKET_MASK, 0x0); |
| 604 | |
| 605 | return 0; |
| 606 | } |
| 607 | |
| 608 | /* |
| 609 | * Use an adaptive allocation for the memory resource, |
| 610 | * sometimes the memory behind pci bridges is limited: |
| 611 | * 1/8 of the size of the io window of the parent. |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 612 | * max 4 MB, min 16 kB. We try very hard to not get below |
| 613 | * the "ACC" values, though. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | */ |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 615 | #define BRIDGE_MEM_MAX (4*1024*1024) |
| 616 | #define BRIDGE_MEM_ACC (128*1024) |
| 617 | #define BRIDGE_MEM_MIN (16*1024) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 619 | #define BRIDGE_IO_MAX 512 |
| 620 | #define BRIDGE_IO_ACC 256 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | #define BRIDGE_IO_MIN 32 |
| 622 | |
| 623 | #ifndef PCIBIOS_MIN_CARDBUS_IO |
| 624 | #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO |
| 625 | #endif |
| 626 | |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 627 | static int yenta_search_one_res(struct resource *root, struct resource *res, |
| 628 | u32 min) |
| 629 | { |
| 630 | u32 align, size, start, end; |
| 631 | |
| 632 | if (res->flags & IORESOURCE_IO) { |
| 633 | align = 1024; |
| 634 | size = BRIDGE_IO_MAX; |
| 635 | start = PCIBIOS_MIN_CARDBUS_IO; |
| 636 | end = ~0U; |
| 637 | } else { |
| 638 | unsigned long avail = root->end - root->start; |
| 639 | int i; |
| 640 | size = BRIDGE_MEM_MAX; |
| 641 | if (size > avail/8) { |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 642 | size = (avail+1)/8; |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 643 | /* round size down to next power of 2 */ |
| 644 | i = 0; |
| 645 | while ((size /= 2) != 0) |
| 646 | i++; |
| 647 | size = 1 << i; |
| 648 | } |
| 649 | if (size < min) |
| 650 | size = min; |
| 651 | align = size; |
| 652 | start = PCIBIOS_MIN_MEM; |
| 653 | end = ~0U; |
| 654 | } |
| 655 | |
| 656 | do { |
| 657 | if (allocate_resource(root, res, size, start, end, align, |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 658 | NULL, NULL) == 0) { |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 659 | return 1; |
| 660 | } |
| 661 | size = size/2; |
| 662 | align = size; |
| 663 | } while (size >= min); |
| 664 | |
| 665 | return 0; |
| 666 | } |
| 667 | |
| 668 | |
| 669 | static int yenta_search_res(struct yenta_socket *socket, struct resource *res, |
| 670 | u32 min) |
| 671 | { |
Bjorn Helgaas | 89a74ec | 2010-02-23 10:24:31 -0700 | [diff] [blame] | 672 | struct resource *root; |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 673 | int i; |
Bjorn Helgaas | 89a74ec | 2010-02-23 10:24:31 -0700 | [diff] [blame] | 674 | |
| 675 | pci_bus_for_each_resource(socket->dev->bus, root, i) { |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 676 | if (!root) |
| 677 | continue; |
| 678 | |
| 679 | if ((res->flags ^ root->flags) & |
| 680 | (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH)) |
| 681 | continue; /* Wrong type */ |
| 682 | |
| 683 | if (yenta_search_one_res(root, res, min)) |
| 684 | return 1; |
| 685 | } |
| 686 | return 0; |
| 687 | } |
| 688 | |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 689 | static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 690 | { |
Matthew Wilcox | 852710d | 2009-06-19 09:36:15 -0400 | [diff] [blame] | 691 | struct pci_dev *dev = socket->dev; |
| 692 | struct resource *res; |
Dominik Brodowski | 43c3473 | 2005-08-04 18:06:21 -0700 | [diff] [blame] | 693 | struct pci_bus_region region; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | unsigned mask; |
| 695 | |
Matthew Wilcox | 852710d | 2009-06-19 09:36:15 -0400 | [diff] [blame] | 696 | res = dev->resource + PCI_BRIDGE_RESOURCES + nr; |
Ivan Kokshaysky | 7925407 | 2005-06-27 16:28:02 -0700 | [diff] [blame] | 697 | /* Already allocated? */ |
| 698 | if (res->parent) |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 699 | return 0; |
Ivan Kokshaysky | 7925407 | 2005-06-27 16:28:02 -0700 | [diff] [blame] | 700 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */ |
| 702 | mask = ~0xfff; |
| 703 | if (type & IORESOURCE_IO) |
| 704 | mask = ~3; |
| 705 | |
Matthew Wilcox | 852710d | 2009-06-19 09:36:15 -0400 | [diff] [blame] | 706 | res->name = dev->subordinate->name; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | res->flags = type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | |
Dominik Brodowski | 43c3473 | 2005-08-04 18:06:21 -0700 | [diff] [blame] | 709 | region.start = config_readl(socket, addr_start) & mask; |
| 710 | region.end = config_readl(socket, addr_end) | ~mask; |
| 711 | if (region.start && region.end > region.start && !override_bios) { |
Yinghai Lu | fc27985 | 2013-12-09 22:54:40 -0800 | [diff] [blame] | 712 | pcibios_bus_to_resource(dev->bus, res, ®ion); |
Matthew Wilcox | 852710d | 2009-06-19 09:36:15 -0400 | [diff] [blame] | 713 | if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0) |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 714 | return 0; |
Matthew Wilcox | 852710d | 2009-06-19 09:36:15 -0400 | [diff] [blame] | 715 | dev_printk(KERN_INFO, &dev->dev, |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 716 | "Preassigned resource %d busy or not available, " |
| 717 | "reconfiguring...\n", |
| 718 | nr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | } |
| 720 | |
| 721 | if (type & IORESOURCE_IO) { |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 722 | if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) || |
| 723 | (yenta_search_res(socket, res, BRIDGE_IO_ACC)) || |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 724 | (yenta_search_res(socket, res, BRIDGE_IO_MIN))) |
| 725 | return 1; |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 726 | } else { |
| 727 | if (type & IORESOURCE_PREFETCH) { |
| 728 | if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || |
| 729 | (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 730 | (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) |
| 731 | return 1; |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 732 | /* Approximating prefetchable by non-prefetchable */ |
| 733 | res->flags = IORESOURCE_MEM; |
| 734 | } |
| 735 | if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || |
| 736 | (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 737 | (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) |
| 738 | return 1; |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 739 | } |
| 740 | |
Matthew Wilcox | 852710d | 2009-06-19 09:36:15 -0400 | [diff] [blame] | 741 | dev_printk(KERN_INFO, &dev->dev, |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 742 | "no resource of type %x available, trying to continue...\n", |
| 743 | type); |
Dominik Brodowski | eb0a90b | 2005-07-12 13:58:17 -0700 | [diff] [blame] | 744 | res->start = res->end = res->flags = 0; |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 745 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | } |
| 747 | |
| 748 | /* |
| 749 | * Allocate the bridge mappings for the device.. |
| 750 | */ |
| 751 | static void yenta_allocate_resources(struct yenta_socket *socket) |
| 752 | { |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 753 | int program = 0; |
| 754 | program += yenta_allocate_res(socket, 0, IORESOURCE_IO, |
Dominik Brodowski | 2787983 | 2005-07-12 13:58:16 -0700 | [diff] [blame] | 755 | PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0); |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 756 | program += yenta_allocate_res(socket, 1, IORESOURCE_IO, |
Dominik Brodowski | 2787983 | 2005-07-12 13:58:16 -0700 | [diff] [blame] | 757 | PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1); |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 758 | program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH, |
Dominik Brodowski | 2787983 | 2005-07-12 13:58:16 -0700 | [diff] [blame] | 759 | PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0); |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 760 | program += yenta_allocate_res(socket, 3, IORESOURCE_MEM, |
Dominik Brodowski | 2787983 | 2005-07-12 13:58:16 -0700 | [diff] [blame] | 761 | PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1); |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 762 | if (program) |
| 763 | pci_setup_cardbus(socket->dev->subordinate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | } |
| 765 | |
| 766 | |
| 767 | /* |
| 768 | * Free the bridge mappings for the device.. |
| 769 | */ |
| 770 | static void yenta_free_resources(struct yenta_socket *socket) |
| 771 | { |
| 772 | int i; |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 773 | for (i = 0; i < 4; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | struct resource *res; |
| 775 | res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i; |
| 776 | if (res->start != 0 && res->end != 0) |
| 777 | release_resource(res); |
Dominik Brodowski | b3743fa | 2005-09-09 13:03:23 -0700 | [diff] [blame] | 778 | res->start = res->end = res->flags = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | } |
| 780 | } |
| 781 | |
| 782 | |
| 783 | /* |
| 784 | * Close it down - release our resources and go home.. |
| 785 | */ |
Bill Pemberton | e765a02 | 2012-11-19 13:26:05 -0500 | [diff] [blame] | 786 | static void yenta_close(struct pci_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 787 | { |
| 788 | struct yenta_socket *sock = pci_get_drvdata(dev); |
| 789 | |
Linus Torvalds | 030ee39 | 2005-10-28 13:55:08 -0700 | [diff] [blame] | 790 | /* Remove the register attributes */ |
| 791 | device_remove_file(&dev->dev, &dev_attr_yenta_registers); |
| 792 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | /* we don't want a dying socket registered */ |
| 794 | pcmcia_unregister_socket(&sock->socket); |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 795 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | /* Disable all events so we don't die in an IRQ storm */ |
| 797 | cb_writel(sock, CB_SOCKET_MASK, 0x0); |
| 798 | exca_writeb(sock, I365_CSCINT, 0); |
| 799 | |
| 800 | if (sock->cb_irq) |
| 801 | free_irq(sock->cb_irq, sock); |
| 802 | else |
| 803 | del_timer_sync(&sock->poll_timer); |
| 804 | |
| 805 | if (sock->base) |
| 806 | iounmap(sock->base); |
| 807 | yenta_free_resources(sock); |
| 808 | |
| 809 | pci_release_regions(dev); |
| 810 | pci_disable_device(dev); |
| 811 | pci_set_drvdata(dev, NULL); |
| 812 | } |
| 813 | |
| 814 | |
| 815 | static struct pccard_operations yenta_socket_operations = { |
| 816 | .init = yenta_sock_init, |
| 817 | .suspend = yenta_sock_suspend, |
| 818 | .get_status = yenta_get_status, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | .set_socket = yenta_set_socket, |
| 820 | .set_io_map = yenta_set_io_map, |
| 821 | .set_mem_map = yenta_set_mem_map, |
| 822 | }; |
| 823 | |
| 824 | |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 825 | #ifdef CONFIG_YENTA_TI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | #include "ti113x.h" |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 827 | #endif |
| 828 | #ifdef CONFIG_YENTA_RICOH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | #include "ricoh.h" |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 830 | #endif |
| 831 | #ifdef CONFIG_YENTA_TOSHIBA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 832 | #include "topic.h" |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 833 | #endif |
| 834 | #ifdef CONFIG_YENTA_O2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | #include "o2micro.h" |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 836 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | |
| 838 | enum { |
| 839 | CARDBUS_TYPE_DEFAULT = -1, |
| 840 | CARDBUS_TYPE_TI, |
| 841 | CARDBUS_TYPE_TI113X, |
| 842 | CARDBUS_TYPE_TI12XX, |
| 843 | CARDBUS_TYPE_TI1250, |
| 844 | CARDBUS_TYPE_RICOH, |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 845 | CARDBUS_TYPE_TOPIC95, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | CARDBUS_TYPE_TOPIC97, |
| 847 | CARDBUS_TYPE_O2MICRO, |
Daniel Ritz | 8c3520d | 2005-08-21 22:29:26 -0700 | [diff] [blame] | 848 | CARDBUS_TYPE_ENE, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | }; |
| 850 | |
| 851 | /* |
| 852 | * Different cardbus controllers have slightly different |
| 853 | * initialization sequences etc details. List them here.. |
| 854 | */ |
| 855 | static struct cardbus_type cardbus_type[] = { |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 856 | #ifdef CONFIG_YENTA_TI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | [CARDBUS_TYPE_TI] = { |
| 858 | .override = ti_override, |
| 859 | .save_state = ti_save_state, |
| 860 | .restore_state = ti_restore_state, |
| 861 | .sock_init = ti_init, |
| 862 | }, |
| 863 | [CARDBUS_TYPE_TI113X] = { |
| 864 | .override = ti113x_override, |
| 865 | .save_state = ti_save_state, |
| 866 | .restore_state = ti_restore_state, |
| 867 | .sock_init = ti_init, |
| 868 | }, |
| 869 | [CARDBUS_TYPE_TI12XX] = { |
| 870 | .override = ti12xx_override, |
| 871 | .save_state = ti_save_state, |
| 872 | .restore_state = ti_restore_state, |
| 873 | .sock_init = ti_init, |
| 874 | }, |
| 875 | [CARDBUS_TYPE_TI1250] = { |
| 876 | .override = ti1250_override, |
| 877 | .save_state = ti_save_state, |
| 878 | .restore_state = ti_restore_state, |
| 879 | .sock_init = ti_init, |
| 880 | }, |
Justin P. Mattock | 4f2d364 | 2010-05-20 13:40:02 -0700 | [diff] [blame] | 881 | [CARDBUS_TYPE_ENE] = { |
| 882 | .override = ene_override, |
| 883 | .save_state = ti_save_state, |
| 884 | .restore_state = ti_restore_state, |
| 885 | .sock_init = ti_init, |
| 886 | }, |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 887 | #endif |
| 888 | #ifdef CONFIG_YENTA_RICOH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | [CARDBUS_TYPE_RICOH] = { |
| 890 | .override = ricoh_override, |
| 891 | .save_state = ricoh_save_state, |
| 892 | .restore_state = ricoh_restore_state, |
| 893 | }, |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 894 | #endif |
| 895 | #ifdef CONFIG_YENTA_TOSHIBA |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 896 | [CARDBUS_TYPE_TOPIC95] = { |
| 897 | .override = topic95_override, |
| 898 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | [CARDBUS_TYPE_TOPIC97] = { |
| 900 | .override = topic97_override, |
| 901 | }, |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 902 | #endif |
| 903 | #ifdef CONFIG_YENTA_O2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 904 | [CARDBUS_TYPE_O2MICRO] = { |
| 905 | .override = o2micro_override, |
| 906 | .restore_state = o2micro_restore_state, |
| 907 | }, |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 908 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | }; |
| 910 | |
| 911 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask) |
| 913 | { |
| 914 | int i; |
| 915 | unsigned long val; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | u32 mask; |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 917 | u8 reg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 919 | /* |
| 920 | * Probe for usable interrupts using the force |
| 921 | * register to generate bogus card status events. |
| 922 | */ |
| 923 | cb_writel(socket, CB_SOCKET_EVENT, -1); |
| 924 | cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 925 | reg = exca_readb(socket, I365_CSCINT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | exca_writeb(socket, I365_CSCINT, 0); |
| 927 | val = probe_irq_on() & isa_irq_mask; |
| 928 | for (i = 1; i < 16; i++) { |
| 929 | if (!((val >> i) & 1)) |
| 930 | continue; |
| 931 | exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4)); |
| 932 | cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); |
| 933 | udelay(100); |
| 934 | cb_writel(socket, CB_SOCKET_EVENT, -1); |
| 935 | } |
| 936 | cb_writel(socket, CB_SOCKET_MASK, 0); |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 937 | exca_writeb(socket, I365_CSCINT, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 938 | |
| 939 | mask = probe_irq_mask(val) & 0xffff; |
| 940 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | return mask; |
| 942 | } |
| 943 | |
| 944 | |
Randy Dunlap | 7818786 | 2007-12-10 15:49:22 -0800 | [diff] [blame] | 945 | /* |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 946 | * yenta PCI irq probing. |
| 947 | * currently only used in the TI/EnE initialization code |
| 948 | */ |
| 949 | #ifdef CONFIG_YENTA_TI |
| 950 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | /* interrupt handler, only used during probing */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 952 | static irqreturn_t yenta_probe_handler(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | { |
| 954 | struct yenta_socket *socket = (struct yenta_socket *) dev_id; |
| 955 | u8 csc; |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 956 | u32 cb_event; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 957 | |
| 958 | /* Clear interrupt status for the event */ |
| 959 | cb_event = cb_readl(socket, CB_SOCKET_EVENT); |
| 960 | cb_writel(socket, CB_SOCKET_EVENT, -1); |
| 961 | csc = exca_readb(socket, I365_CSC); |
| 962 | |
| 963 | if (cb_event || csc) { |
| 964 | socket->probe_status = 1; |
| 965 | return IRQ_HANDLED; |
| 966 | } |
| 967 | |
| 968 | return IRQ_NONE; |
| 969 | } |
| 970 | |
| 971 | /* probes the PCI interrupt, use only on override functions */ |
| 972 | static int yenta_probe_cb_irq(struct yenta_socket *socket) |
| 973 | { |
Dominik Brodowski | 02caa56 | 2010-05-21 15:16:53 +0200 | [diff] [blame] | 974 | u8 reg = 0; |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 975 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | if (!socket->cb_irq) |
| 977 | return -1; |
| 978 | |
| 979 | socket->probe_status = 0; |
| 980 | |
Thomas Gleixner | dace145 | 2006-07-01 19:29:38 -0700 | [diff] [blame] | 981 | if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 982 | dev_printk(KERN_WARNING, &socket->dev->dev, |
| 983 | "request_irq() in yenta_probe_cb_irq() failed!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | return -1; |
| 985 | } |
| 986 | |
| 987 | /* generate interrupt, wait */ |
Dominik Brodowski | 02caa56 | 2010-05-21 15:16:53 +0200 | [diff] [blame] | 988 | if (!socket->dev->irq) |
| 989 | reg = exca_readb(socket, I365_CSCINT); |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 990 | exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 991 | cb_writel(socket, CB_SOCKET_EVENT, -1); |
| 992 | cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); |
| 993 | cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); |
Daniel Ritz | a413c09 | 2005-08-24 17:03:23 +0200 | [diff] [blame] | 994 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | msleep(100); |
| 996 | |
| 997 | /* disable interrupts */ |
| 998 | cb_writel(socket, CB_SOCKET_MASK, 0); |
Jens Künzer | 28ca8dd | 2010-03-06 07:46:16 +0100 | [diff] [blame] | 999 | exca_writeb(socket, I365_CSCINT, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | cb_writel(socket, CB_SOCKET_EVENT, -1); |
| 1001 | exca_readb(socket, I365_CSC); |
| 1002 | |
| 1003 | free_irq(socket->cb_irq, socket); |
| 1004 | |
| 1005 | return (int) socket->probe_status; |
| 1006 | } |
| 1007 | |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1008 | #endif /* CONFIG_YENTA_TI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1009 | |
| 1010 | |
| 1011 | /* |
| 1012 | * Set static data that doesn't need re-initializing.. |
| 1013 | */ |
| 1014 | static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask) |
| 1015 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | socket->socket.pci_irq = socket->cb_irq; |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 1017 | if (isa_probe) |
| 1018 | socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask); |
| 1019 | else |
| 1020 | socket->socket.irq_mask = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1022 | dev_printk(KERN_INFO, &socket->dev->dev, |
| 1023 | "ISA IRQ mask 0x%04x, PCI irq %d\n", |
| 1024 | socket->socket.irq_mask, socket->cb_irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | } |
| 1026 | |
| 1027 | /* |
| 1028 | * Initialize the standard cardbus registers |
| 1029 | */ |
| 1030 | static void yenta_config_init(struct yenta_socket *socket) |
| 1031 | { |
| 1032 | u16 bridge; |
| 1033 | struct pci_dev *dev = socket->dev; |
Dominik Brodowski | 8e5d17e | 2005-09-07 16:00:28 -0700 | [diff] [blame] | 1034 | struct pci_bus_region region; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | |
Yinghai Lu | fc27985 | 2013-12-09 22:54:40 -0800 | [diff] [blame] | 1036 | pcibios_resource_to_bus(socket->dev->bus, ®ion, &dev->resource[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | |
| 1038 | config_writel(socket, CB_LEGACY_MODE_BASE, 0); |
Dominik Brodowski | 8e5d17e | 2005-09-07 16:00:28 -0700 | [diff] [blame] | 1039 | config_writel(socket, PCI_BASE_ADDRESS_0, region.start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1040 | config_writew(socket, PCI_COMMAND, |
| 1041 | PCI_COMMAND_IO | |
| 1042 | PCI_COMMAND_MEMORY | |
| 1043 | PCI_COMMAND_MASTER | |
| 1044 | PCI_COMMAND_WAIT); |
| 1045 | |
| 1046 | /* MAGIC NUMBERS! Fixme */ |
| 1047 | config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4); |
| 1048 | config_writeb(socket, PCI_LATENCY_TIMER, 168); |
| 1049 | config_writel(socket, PCI_PRIMARY_BUS, |
| 1050 | (176 << 24) | /* sec. latency timer */ |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1051 | ((unsigned int)dev->subordinate->busn_res.end << 16) | /* subordinate bus */ |
| 1052 | ((unsigned int)dev->subordinate->busn_res.start << 8) | /* secondary bus */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | dev->subordinate->primary); /* primary bus */ |
| 1054 | |
| 1055 | /* |
| 1056 | * Set up the bridging state: |
| 1057 | * - enable write posting. |
| 1058 | * - memory window 0 prefetchable, window 1 non-prefetchable |
| 1059 | * - PCI interrupts enabled if a PCI interrupt exists.. |
| 1060 | */ |
| 1061 | bridge = config_readw(socket, CB_BRIDGE_CONTROL); |
Daniel Ritz | a413c09 | 2005-08-24 17:03:23 +0200 | [diff] [blame] | 1062 | bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN); |
| 1063 | bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | config_writew(socket, CB_BRIDGE_CONTROL, bridge); |
| 1065 | } |
| 1066 | |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1067 | /** |
Randy Dunlap | 6600521 | 2006-06-06 12:06:41 -0700 | [diff] [blame] | 1068 | * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1069 | * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to |
| 1070 | * |
| 1071 | * Checks if devices on the bus which the CardBus bridge bridges to would be |
| 1072 | * invisible during PCI scans because of a misconfigured subordinate number |
| 1073 | * of the parent brige - some BIOSes seem to be too lazy to set it right. |
| 1074 | * Does the fixup carefully by checking how far it can go without conflicts. |
Justin P. Mattock | 631dd1a | 2010-10-18 11:03:14 +0200 | [diff] [blame] | 1075 | * See http://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information. |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1076 | */ |
| 1077 | static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge) |
| 1078 | { |
Yijing Wang | 560698e | 2014-02-13 21:14:02 +0800 | [diff] [blame] | 1079 | struct pci_bus *sibling; |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1080 | unsigned char upper_limit; |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 1081 | /* |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1082 | * We only check and fix the parent bridge: All systems which need |
| 1083 | * this fixup that have been reviewed are laptops and the only bridge |
| 1084 | * which needed fixing was the parent bridge of the CardBus bridge: |
| 1085 | */ |
| 1086 | struct pci_bus *bridge_to_fix = cardbus_bridge->parent; |
| 1087 | |
| 1088 | /* Check bus numbers are already set up correctly: */ |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1089 | if (bridge_to_fix->busn_res.end >= cardbus_bridge->busn_res.end) |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1090 | return; /* The subordinate number is ok, nothing to do */ |
| 1091 | |
| 1092 | if (!bridge_to_fix->parent) |
| 1093 | return; /* Root bridges are ok */ |
| 1094 | |
| 1095 | /* stay within the limits of the bus range of the parent: */ |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1096 | upper_limit = bridge_to_fix->parent->busn_res.end; |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1097 | |
Yijing Wang | 560698e | 2014-02-13 21:14:02 +0800 | [diff] [blame] | 1098 | /* check the bus ranges of all sibling bridges to prevent overlap */ |
| 1099 | list_for_each_entry(sibling, &bridge_to_fix->parent->children, |
| 1100 | node) { |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1101 | /* |
Yijing Wang | 560698e | 2014-02-13 21:14:02 +0800 | [diff] [blame] | 1102 | * If the sibling has a higher secondary bus number |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1103 | * and it's secondary is equal or smaller than our |
| 1104 | * current upper limit, set the new upper limit to |
Yijing Wang | 560698e | 2014-02-13 21:14:02 +0800 | [diff] [blame] | 1105 | * the bus number below the sibling's range: |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1106 | */ |
Yijing Wang | 560698e | 2014-02-13 21:14:02 +0800 | [diff] [blame] | 1107 | if (sibling->busn_res.start > bridge_to_fix->busn_res.end |
| 1108 | && sibling->busn_res.start <= upper_limit) |
| 1109 | upper_limit = sibling->busn_res.start - 1; |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1110 | } |
| 1111 | |
| 1112 | /* Show that the wanted subordinate number is not possible: */ |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1113 | if (cardbus_bridge->busn_res.end > upper_limit) |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1114 | dev_printk(KERN_WARNING, &cardbus_bridge->dev, |
| 1115 | "Upper limit for fixing this " |
| 1116 | "bridge's parent bridge: #%02x\n", upper_limit); |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1117 | |
| 1118 | /* If we have room to increase the bridge's subordinate number, */ |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1119 | if (bridge_to_fix->busn_res.end < upper_limit) { |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1120 | |
| 1121 | /* use the highest number of the hidden bus, within limits */ |
| 1122 | unsigned char subordinate_to_assign = |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1123 | min_t(int, cardbus_bridge->busn_res.end, upper_limit); |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1124 | |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1125 | dev_printk(KERN_INFO, &bridge_to_fix->dev, |
| 1126 | "Raising subordinate bus# of parent " |
| 1127 | "bus (#%02x) from #%02x to #%02x\n", |
| 1128 | bridge_to_fix->number, |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1129 | (int)bridge_to_fix->busn_res.end, subordinate_to_assign); |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1130 | |
| 1131 | /* Save the new subordinate in the bus struct of the bridge */ |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1132 | bridge_to_fix->busn_res.end = subordinate_to_assign; |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1133 | |
| 1134 | /* and update the PCI config space with the new subordinate */ |
| 1135 | pci_write_config_byte(bridge_to_fix->self, |
Yinghai Lu | b918c62 | 2012-05-17 18:51:11 -0700 | [diff] [blame] | 1136 | PCI_SUBORDINATE_BUS, bridge_to_fix->busn_res.end); |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1137 | } |
| 1138 | } |
| 1139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1140 | /* |
| 1141 | * Initialize a cardbus controller. Make sure we have a usable |
| 1142 | * interrupt, and that we can map the cardbus area. Fill in the |
| 1143 | * socket information structure.. |
| 1144 | */ |
Bill Pemberton | 34cdf25 | 2012-11-19 13:23:12 -0500 | [diff] [blame] | 1145 | static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1146 | { |
| 1147 | struct yenta_socket *socket; |
| 1148 | int ret; |
Ivan Kokshaysky | c7fb0b3 | 2005-09-14 23:05:30 +0400 | [diff] [blame] | 1149 | |
| 1150 | /* |
| 1151 | * If we failed to assign proper bus numbers for this cardbus |
| 1152 | * controller during PCI probe, its subordinate pci_bus is NULL. |
| 1153 | * Bail out if so. |
| 1154 | */ |
| 1155 | if (!dev->subordinate) { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1156 | dev_printk(KERN_ERR, &dev->dev, "no bus associated! " |
| 1157 | "(try 'pci=assign-busses')\n"); |
Ivan Kokshaysky | c7fb0b3 | 2005-09-14 23:05:30 +0400 | [diff] [blame] | 1158 | return -ENODEV; |
| 1159 | } |
| 1160 | |
Dominik Brodowski | 8084b37 | 2005-12-11 21:18:26 +0100 | [diff] [blame] | 1161 | socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1162 | if (!socket) |
| 1163 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | |
| 1165 | /* prepare pcmcia_socket */ |
| 1166 | socket->socket.ops = ¥ta_socket_operations; |
| 1167 | socket->socket.resource_ops = &pccard_nonstatic_ops; |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 1168 | socket->socket.dev.parent = &dev->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1169 | socket->socket.driver_data = socket; |
| 1170 | socket->socket.owner = THIS_MODULE; |
Russell King | 5bc6b68 | 2005-07-07 17:59:07 -0700 | [diff] [blame] | 1171 | socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD; |
| 1172 | socket->socket.map_size = 0x1000; |
| 1173 | socket->socket.cb_dev = dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1174 | |
| 1175 | /* prepare struct yenta_socket */ |
| 1176 | socket->dev = dev; |
| 1177 | pci_set_drvdata(dev, socket); |
| 1178 | |
| 1179 | /* |
| 1180 | * Do some basic sanity checking.. |
| 1181 | */ |
| 1182 | if (pci_enable_device(dev)) { |
| 1183 | ret = -EBUSY; |
| 1184 | goto free; |
| 1185 | } |
| 1186 | |
| 1187 | ret = pci_request_regions(dev, "yenta_socket"); |
| 1188 | if (ret) |
| 1189 | goto disable; |
| 1190 | |
| 1191 | if (!pci_resource_start(dev, 0)) { |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1192 | dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1193 | ret = -ENODEV; |
| 1194 | goto release; |
| 1195 | } |
| 1196 | |
| 1197 | /* |
| 1198 | * Ok, start setup.. Map the cardbus registers, |
| 1199 | * and request the IRQ. |
| 1200 | */ |
| 1201 | socket->base = ioremap(pci_resource_start(dev, 0), 0x1000); |
| 1202 | if (!socket->base) { |
| 1203 | ret = -ENOMEM; |
| 1204 | goto release; |
| 1205 | } |
| 1206 | |
| 1207 | /* |
| 1208 | * report the subsystem vendor and device for help debugging |
| 1209 | * the irq stuff... |
| 1210 | */ |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1211 | dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n", |
| 1212 | dev->subsystem_vendor, dev->subsystem_device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1213 | |
| 1214 | yenta_config_init(socket); |
| 1215 | |
| 1216 | /* Disable all events */ |
| 1217 | cb_writel(socket, CB_SOCKET_MASK, 0x0); |
| 1218 | |
| 1219 | /* Set up the bridge regions.. */ |
| 1220 | yenta_allocate_resources(socket); |
| 1221 | |
| 1222 | socket->cb_irq = dev->irq; |
| 1223 | |
| 1224 | /* Do we have special options for the device? */ |
| 1225 | if (id->driver_data != CARDBUS_TYPE_DEFAULT && |
| 1226 | id->driver_data < ARRAY_SIZE(cardbus_type)) { |
| 1227 | socket->type = &cardbus_type[id->driver_data]; |
| 1228 | |
| 1229 | ret = socket->type->override(socket); |
| 1230 | if (ret < 0) |
| 1231 | goto unmap; |
| 1232 | } |
| 1233 | |
| 1234 | /* We must finish initialization here */ |
| 1235 | |
Thomas Gleixner | dace145 | 2006-07-01 19:29:38 -0700 | [diff] [blame] | 1236 | if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1237 | /* No IRQ or request_irq failed. Poll */ |
| 1238 | socket->cb_irq = 0; /* But zero is a valid IRQ number. */ |
Vaishali Thakkar | 03b225b | 2015-02-11 16:15:31 +0530 | [diff] [blame] | 1239 | setup_timer(&socket->poll_timer, yenta_interrupt_wrapper, |
| 1240 | (unsigned long)socket); |
| 1241 | mod_timer(&socket->poll_timer, jiffies + HZ); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1242 | dev_printk(KERN_INFO, &dev->dev, |
| 1243 | "no PCI IRQ, CardBus support disabled for this " |
| 1244 | "socket.\n"); |
| 1245 | dev_printk(KERN_INFO, &dev->dev, |
| 1246 | "check your BIOS CardBus, BIOS IRQ or ACPI " |
| 1247 | "settings.\n"); |
Russell King | 5bc6b68 | 2005-07-07 17:59:07 -0700 | [diff] [blame] | 1248 | } else { |
| 1249 | socket->socket.features |= SS_CAP_CARDBUS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1250 | } |
| 1251 | |
| 1252 | /* Figure out what the dang thing can do for the PCMCIA layer... */ |
Daniel Ritz | fa912bc | 2005-06-23 00:10:12 -0700 | [diff] [blame] | 1253 | yenta_interrogate(socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1254 | yenta_get_socket_capabilities(socket, isa_interrupts); |
Dominik Brodowski | dd797d8 | 2008-08-02 17:54:14 +0200 | [diff] [blame] | 1255 | dev_printk(KERN_INFO, &dev->dev, |
| 1256 | "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | |
Bernhard Kaindl | b435261 | 2006-05-30 18:00:34 +0200 | [diff] [blame] | 1258 | yenta_fixup_parent_bridge(dev->subordinate); |
| 1259 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1260 | /* Register it with the pcmcia layer.. */ |
| 1261 | ret = pcmcia_register_socket(&socket->socket); |
Linus Torvalds | 030ee39 | 2005-10-28 13:55:08 -0700 | [diff] [blame] | 1262 | if (ret == 0) { |
| 1263 | /* Add the yenta register attributes */ |
Jeff Garzik | 4deb7c1 | 2006-10-20 14:44:23 -0700 | [diff] [blame] | 1264 | ret = device_create_file(&dev->dev, &dev_attr_yenta_registers); |
| 1265 | if (ret == 0) |
| 1266 | goto out; |
| 1267 | |
| 1268 | /* error path... */ |
| 1269 | pcmcia_unregister_socket(&socket->socket); |
Linus Torvalds | 030ee39 | 2005-10-28 13:55:08 -0700 | [diff] [blame] | 1270 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1271 | |
| 1272 | unmap: |
| 1273 | iounmap(socket->base); |
| 1274 | release: |
| 1275 | pci_release_regions(dev); |
| 1276 | disable: |
| 1277 | pci_disable_device(dev); |
| 1278 | free: |
| 1279 | kfree(socket); |
| 1280 | out: |
| 1281 | return ret; |
| 1282 | } |
| 1283 | |
Alexey Dobriyan | f237de5 | 2006-10-20 14:44:13 -0700 | [diff] [blame] | 1284 | #ifdef CONFIG_PM |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1285 | static int yenta_dev_suspend_noirq(struct device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | { |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1287 | struct pci_dev *pdev = to_pci_dev(dev); |
| 1288 | struct yenta_socket *socket = pci_get_drvdata(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1289 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1290 | if (!socket) |
Dominik Brodowski | d7646f7 | 2010-03-15 21:46:34 +0100 | [diff] [blame] | 1291 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1293 | if (socket->type && socket->type->save_state) |
| 1294 | socket->type->save_state(socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1295 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1296 | pci_save_state(pdev); |
| 1297 | pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]); |
| 1298 | pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]); |
| 1299 | pci_disable_device(pdev); |
| 1300 | |
Dominik Brodowski | d7646f7 | 2010-03-15 21:46:34 +0100 | [diff] [blame] | 1301 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1302 | } |
| 1303 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1304 | static int yenta_dev_resume_noirq(struct device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1305 | { |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1306 | struct pci_dev *pdev = to_pci_dev(dev); |
| 1307 | struct yenta_socket *socket = pci_get_drvdata(pdev); |
| 1308 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1309 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1310 | if (!socket) |
| 1311 | return 0; |
Jeff Garzik | 4deb7c1 | 2006-10-20 14:44:23 -0700 | [diff] [blame] | 1312 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1313 | pci_write_config_dword(pdev, 16*4, socket->saved_state[0]); |
| 1314 | pci_write_config_dword(pdev, 17*4, socket->saved_state[1]); |
Jeff Garzik | 4deb7c1 | 2006-10-20 14:44:23 -0700 | [diff] [blame] | 1315 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1316 | ret = pci_enable_device(pdev); |
| 1317 | if (ret) |
| 1318 | return ret; |
Jeff Garzik | 4deb7c1 | 2006-10-20 14:44:23 -0700 | [diff] [blame] | 1319 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1320 | pci_set_master(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1321 | |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1322 | if (socket->type && socket->type->restore_state) |
| 1323 | socket->type->restore_state(socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1324 | |
Rafael J. Wysocki | 9905d1b | 2009-11-03 10:54:58 +0100 | [diff] [blame] | 1325 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | } |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1327 | |
Alexey Dobriyan | 4714521 | 2009-12-14 18:00:08 -0800 | [diff] [blame] | 1328 | static const struct dev_pm_ops yenta_pm_ops = { |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1329 | .suspend_noirq = yenta_dev_suspend_noirq, |
| 1330 | .resume_noirq = yenta_dev_resume_noirq, |
| 1331 | .freeze_noirq = yenta_dev_suspend_noirq, |
| 1332 | .thaw_noirq = yenta_dev_resume_noirq, |
| 1333 | .poweroff_noirq = yenta_dev_suspend_noirq, |
| 1334 | .restore_noirq = yenta_dev_resume_noirq, |
| 1335 | }; |
| 1336 | |
| 1337 | #define YENTA_PM_OPS (¥ta_pm_ops) |
| 1338 | #else |
| 1339 | #define YENTA_PM_OPS NULL |
Alexey Dobriyan | f237de5 | 2006-10-20 14:44:13 -0700 | [diff] [blame] | 1340 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1341 | |
Dominik Brodowski | 9fea84f | 2009-12-07 22:11:45 +0100 | [diff] [blame] | 1342 | #define CB_ID(vend, dev, type) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | { \ |
| 1344 | .vendor = vend, \ |
| 1345 | .device = dev, \ |
| 1346 | .subvendor = PCI_ANY_ID, \ |
| 1347 | .subdevice = PCI_ANY_ID, \ |
| 1348 | .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \ |
| 1349 | .class_mask = ~0, \ |
| 1350 | .driver_data = CARDBUS_TYPE_##type, \ |
| 1351 | } |
| 1352 | |
Greg Kroah-Hartman | 0178a7a | 2014-07-18 16:58:07 -0700 | [diff] [blame] | 1353 | static const struct pci_device_id yenta_table[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1354 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI), |
| 1355 | |
| 1356 | /* |
| 1357 | * TBD: Check if these TI variants can use more |
| 1358 | * advanced overrides instead. (I can't get the |
| 1359 | * data sheets for these devices. --rmk) |
| 1360 | */ |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1361 | #ifdef CONFIG_YENTA_TI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1362 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI), |
| 1363 | |
| 1364 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X), |
| 1365 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X), |
| 1366 | |
| 1367 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX), |
| 1368 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX), |
| 1369 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX), |
| 1370 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX), |
| 1371 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX), |
| 1372 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX), |
| 1373 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX), |
| 1374 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX), |
| 1375 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX), |
| 1376 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX), |
| 1377 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX), |
| 1378 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX), |
| 1379 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX), |
| 1380 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX), |
| 1381 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX), |
| 1382 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX), |
| 1383 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX), |
| 1384 | |
| 1385 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250), |
| 1386 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250), |
| 1387 | |
Daniel Ritz | 6c1a10d | 2005-09-20 14:12:17 -0700 | [diff] [blame] | 1388 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX), |
| 1389 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX), |
Alex Williamson | 59e35ba | 2006-05-08 23:22:07 -0600 | [diff] [blame] | 1390 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX), |
Daniel Ritz | 6c1a10d | 2005-09-20 14:12:17 -0700 | [diff] [blame] | 1391 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX), |
| 1392 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX), |
| 1393 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX), |
| 1394 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX), |
| 1395 | CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX), |
| 1396 | |
Michal Pecio | f3d4ae4 | 2010-02-02 14:39:47 -0800 | [diff] [blame] | 1397 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE), |
| 1398 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE), |
| 1399 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE), |
| 1400 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE), |
Daniel Ritz | 8c3520d | 2005-08-21 22:29:26 -0700 | [diff] [blame] | 1401 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE), |
| 1402 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE), |
| 1403 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE), |
| 1404 | CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE), |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1405 | #endif /* CONFIG_YENTA_TI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1406 | |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1407 | #ifdef CONFIG_YENTA_RICOH |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1408 | CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH), |
| 1409 | CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH), |
| 1410 | CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH), |
| 1411 | CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH), |
| 1412 | CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH), |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1413 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1414 | |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1415 | #ifdef CONFIG_YENTA_TOSHIBA |
Daniel Ritz | ea2f159 | 2005-09-06 15:16:50 -0700 | [diff] [blame] | 1416 | CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1417 | CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97), |
| 1418 | CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97), |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1419 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1420 | |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1421 | #ifdef CONFIG_YENTA_O2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1422 | CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO), |
Daniel Ritz | 63e7ebd | 2005-11-03 21:12:14 +0100 | [diff] [blame] | 1423 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1424 | |
| 1425 | /* match any cardbus bridge */ |
| 1426 | CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT), |
| 1427 | { /* all zeroes */ } |
| 1428 | }; |
| 1429 | MODULE_DEVICE_TABLE(pci, yenta_table); |
| 1430 | |
| 1431 | |
| 1432 | static struct pci_driver yenta_cardbus_driver = { |
| 1433 | .name = "yenta_cardbus", |
| 1434 | .id_table = yenta_table, |
| 1435 | .probe = yenta_probe, |
Bill Pemberton | 96364e3 | 2012-11-19 13:20:38 -0500 | [diff] [blame] | 1436 | .remove = yenta_close, |
Rafael J. Wysocki | 0c570cd | 2009-09-29 00:11:03 +0200 | [diff] [blame] | 1437 | .driver.pm = YENTA_PM_OPS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1438 | }; |
| 1439 | |
Libo Chen | 7d19143 | 2013-09-13 14:49:42 -0700 | [diff] [blame] | 1440 | module_pci_driver(yenta_cardbus_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1441 | |
| 1442 | MODULE_LICENSE("GPL"); |