diff options
Diffstat (limited to 'drivers/pcmcia/pcmcia_resource.c')
-rw-r--r-- | drivers/pcmcia/pcmcia_resource.c | 228 |
1 files changed, 119 insertions, 109 deletions
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 89022ad..45063b4 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -14,7 +14,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/interrupt.h> @@ -89,7 +88,7 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base, } if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) { *base = s->io_offset | (*base & 0x0fff); - s->io[0].Attributes = attr; + s->io[0].res->flags = (s->io[0].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); return 0; } /* Check for an already-allocated window that must conflict with @@ -97,38 +96,36 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base, * potential conflicts, just the most obvious ones. */ for (i = 0; i < MAX_IO_WIN; i++) - if ((s->io[i].NumPorts != 0) && - ((s->io[i].BasePort & (align-1)) == *base)) + if ((s->io[i].res) && + ((s->io[i].res->start & (align-1)) == *base)) return 1; for (i = 0; i < MAX_IO_WIN; i++) { - if (s->io[i].NumPorts == 0) { + if (!s->io[i].res) { s->io[i].res = pcmcia_find_io_region(*base, num, align, s); if (s->io[i].res) { - s->io[i].Attributes = attr; - s->io[i].BasePort = *base = s->io[i].res->start; - s->io[i].NumPorts = s->io[i].InUse = num; + *base = s->io[i].res->start; + s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); + s->io[i].InUse = num; break; } else return 1; - } else if (s->io[i].Attributes != attr) + } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS)) continue; /* Try to extend top of window */ - try = s->io[i].BasePort + s->io[i].NumPorts; + try = s->io[i].res->end + 1; if ((*base == 0) || (*base == try)) if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start, s->io[i].res->end + num, s) == 0) { *base = try; - s->io[i].NumPorts += num; s->io[i].InUse += num; break; } /* Try to extend bottom of window */ - try = s->io[i].BasePort - num; + try = s->io[i].res->start - num; if ((*base == 0) || (*base == try)) if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num, s->io[i].res->end, s) == 0) { - s->io[i].BasePort = *base = try; - s->io[i].NumPorts += num; + *base = try; s->io[i].InUse += num; break; } @@ -143,12 +140,13 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base, int i; for (i = 0; i < MAX_IO_WIN; i++) { - if ((s->io[i].BasePort <= base) && - (s->io[i].BasePort+s->io[i].NumPorts >= base+num)) { + if (!s->io[i].res) + continue; + if ((s->io[i].res->start <= base) && + (s->io[i].res->end >= base+num-1)) { s->io[i].InUse -= num; /* Free the window if no one else is using it */ if (s->io[i].InUse == 0) { - s->io[i].NumPorts = 0; release_resource(s->io[i].res); kfree(s->io[i].res); s->io[i].res = NULL; @@ -165,21 +163,19 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base, * this and the tuple reading services. */ -int pccard_access_configuration_register(struct pcmcia_socket *s, - unsigned int function, +int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, conf_reg_t *reg) { + struct pcmcia_socket *s; config_t *c; int addr; u_char val; - if (!s || !s->config) + if (!p_dev || !p_dev->function_config) return CS_NO_CARD; - c = &s->config[function]; - - if (c == NULL) - return CS_NO_CARD; + s = p_dev->socket; + c = p_dev->function_config; if (!(c->state & CONFIG_LOCKED)) return CS_CONFIGURATION_LOCKED; @@ -200,20 +196,12 @@ int pccard_access_configuration_register(struct pcmcia_socket *s, break; } return CS_SUCCESS; -} /* pccard_access_configuration_register */ - -int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, - conf_reg_t *reg) -{ - return pccard_access_configuration_register(p_dev->socket, - p_dev->func, reg); -} +} /* pcmcia_access_configuration_register */ EXPORT_SYMBOL(pcmcia_access_configuration_register); - int pccard_get_configuration_info(struct pcmcia_socket *s, - unsigned int function, + struct pcmcia_device *p_dev, config_info_t *config) { config_t *c; @@ -221,7 +209,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - config->Function = function; + config->Function = p_dev->func; #ifdef CONFIG_CARDBUS if (s->state & SOCKET_CARDBUS) { @@ -235,14 +223,14 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, config->AssignedIRQ = s->irq.AssignedIRQ; if (config->AssignedIRQ) config->Attributes |= CONF_ENABLE_IRQ; - config->BasePort1 = s->io[0].BasePort; - config->NumPorts1 = s->io[0].NumPorts; + config->BasePort1 = s->io[0].res->start; + config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1; } return CS_SUCCESS; } #endif - c = (s->config != NULL) ? &s->config[function] : NULL; + c = (p_dev) ? p_dev->function_config : NULL; if ((c == NULL) || !(c->state & CONFIG_LOCKED)) { config->Attributes = 0; @@ -271,7 +259,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, int pcmcia_get_configuration_info(struct pcmcia_device *p_dev, config_info_t *config) { - return pccard_get_configuration_info(p_dev->socket, p_dev->func, + return pccard_get_configuration_info(p_dev->socket, p_dev, config); } EXPORT_SYMBOL(pcmcia_get_configuration_info); @@ -317,7 +305,7 @@ EXPORT_SYMBOL(pcmcia_get_window); * SocketState yet: I haven't seen any point for it. */ -int pccard_get_status(struct pcmcia_socket *s, unsigned int function, +int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status) { config_t *c; @@ -334,11 +322,12 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - c = (s->config != NULL) ? &s->config[function] : NULL; + c = (p_dev) ? p_dev->function_config : NULL; + if ((c != NULL) && (c->state & CONFIG_LOCKED) && (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { u_char reg; - if (c->Present & PRESENT_PIN_REPLACE) { + if (c->CardValues & PRESENT_PIN_REPLACE) { pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®); status->CardState |= (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0; @@ -352,7 +341,7 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, /* No PRR? Then assume we're always ready */ status->CardState |= CS_EVENT_READY_CHANGE; } - if (c->Present & PRESENT_EXT_STATUS) { + if (c->CardValues & PRESENT_EXT_STATUS) { pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®); status->CardState |= (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0; @@ -370,11 +359,9 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, return CS_SUCCESS; } /* pccard_get_status */ -int pcmcia_get_status(client_handle_t handle, cs_status_t *status) +int pcmcia_get_status(struct pcmcia_device *p_dev, cs_status_t *status) { - struct pcmcia_socket *s; - s = SOCKET(handle); - return pccard_get_status(s, handle->func, status); + return pccard_get_status(p_dev->socket, p_dev, status); } EXPORT_SYMBOL(pcmcia_get_status); @@ -422,7 +409,8 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, config_t *c; s = p_dev->socket; - c = CONFIG(p_dev); + c = p_dev->function_config; + if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; if (!(c->state & CONFIG_LOCKED)) @@ -454,6 +442,28 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, (mod->Attributes & CONF_VPP2_CHANGE_VALID)) return CS_BAD_VPP; + if (mod->Attributes & CONF_IO_CHANGE_WIDTH) { + pccard_io_map io_off = { 0, 0, 0, 0, 1 }; + pccard_io_map io_on; + int i; + + io_on.speed = io_speed; + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + io_off.map = i; + io_on.map = i; + + io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8; + io_on.start = s->io[i].res->start; + io_on.stop = s->io[i].res->end; + + s->ops->set_io_map(s, &io_off); + mdelay(40); + s->ops->set_io_map(s, &io_on); + } + } + return CS_SUCCESS; } /* modify_configuration */ EXPORT_SYMBOL(pcmcia_modify_configuration); @@ -463,23 +473,23 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) { pccard_io_map io = { 0, 0, 0, 0, 1 }; struct pcmcia_socket *s = p_dev->socket; + config_t *c = p_dev->function_config; int i; - if (!(p_dev->state & CLIENT_CONFIG_LOCKED)) - return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_CONFIG_LOCKED; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); + if (p_dev->_locked) { + p_dev->_locked = 0; if (--(s->lock_count) == 0) { s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; s->socket.io_irq = 0; s->ops->set_socket(s, &s->socket); } + } + if (c->state & CONFIG_LOCKED) { + c->state &= ~CONFIG_LOCKED; if (c->state & CONFIG_IO_REQ) for (i = 0; i < MAX_IO_WIN; i++) { - if (s->io[i].NumPorts == 0) + if (!s->io[i].res) continue; s->io[i].Config--; if (s->io[i].Config != 0) @@ -487,12 +497,10 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) io.map = i; s->ops->set_io_map(s, &io); } - c->state &= ~CONFIG_LOCKED; } return CS_SUCCESS; } /* pcmcia_release_configuration */ -EXPORT_SYMBOL(pcmcia_release_configuration); /** pcmcia_release_io @@ -503,25 +511,23 @@ EXPORT_SYMBOL(pcmcia_release_configuration); * don't bother checking the port ranges against the current socket * values. */ -int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) +static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) { struct pcmcia_socket *s = p_dev->socket; + config_t *c = p_dev->function_config; - if (!(p_dev->state & CLIENT_IO_REQ)) + if (!p_dev->_io ) return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_IO_REQ; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); - if (c->state & CONFIG_LOCKED) - return CS_CONFIGURATION_LOCKED; - if ((c->io.BasePort1 != req->BasePort1) || - (c->io.NumPorts1 != req->NumPorts1) || - (c->io.BasePort2 != req->BasePort2) || - (c->io.NumPorts2 != req->NumPorts2)) - return CS_BAD_ARGS; - c->state &= ~CONFIG_IO_REQ; - } + + p_dev->_io = 0; + + if ((c->io.BasePort1 != req->BasePort1) || + (c->io.NumPorts1 != req->NumPorts1) || + (c->io.BasePort2 != req->BasePort2) || + (c->io.NumPorts2 != req->NumPorts2)) + return CS_BAD_ARGS; + + c->state &= ~CONFIG_IO_REQ; release_io_space(s, req->BasePort1, req->NumPorts1); if (req->NumPorts2) @@ -529,28 +535,26 @@ int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) return CS_SUCCESS; } /* pcmcia_release_io */ -EXPORT_SYMBOL(pcmcia_release_io); -int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) +static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) { struct pcmcia_socket *s = p_dev->socket; - if (!(p_dev->state & CLIENT_IRQ_REQ)) + config_t *c= p_dev->function_config; + + if (!p_dev->_irq) return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_IRQ_REQ; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); - if (c->state & CONFIG_LOCKED) - return CS_CONFIGURATION_LOCKED; - if (c->irq.Attributes != req->Attributes) - return CS_BAD_ATTRIBUTE; - if (s->irq.AssignedIRQ != req->AssignedIRQ) - return CS_BAD_IRQ; - if (--s->irq.Config == 0) { - c->state &= ~CONFIG_IRQ_REQ; - s->irq.AssignedIRQ = 0; - } + p_dev->_irq = 0; + + if (c->state & CONFIG_LOCKED) + return CS_CONFIGURATION_LOCKED; + if (c->irq.Attributes != req->Attributes) + return CS_BAD_ATTRIBUTE; + if (s->irq.AssignedIRQ != req->AssignedIRQ) + return CS_BAD_IRQ; + if (--s->irq.Config == 0) { + c->state &= ~CONFIG_IRQ_REQ; + s->irq.AssignedIRQ = 0; } if (req->Attributes & IRQ_HANDLE_PRESENT) { @@ -563,7 +567,6 @@ int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) return CS_SUCCESS; } /* pcmcia_release_irq */ -EXPORT_SYMBOL(pcmcia_release_irq); int pcmcia_release_window(window_handle_t win) @@ -573,7 +576,7 @@ int pcmcia_release_window(window_handle_t win) if ((win == NULL) || (win->magic != WINDOW_MAGIC)) return CS_BAD_HANDLE; s = win->sock; - if (!(win->handle->state & CLIENT_WIN_REQ(win->index))) + if (!(win->handle->_win & CLIENT_WIN_REQ(win->index))) return CS_BAD_HANDLE; /* Shut down memory window */ @@ -587,7 +590,7 @@ int pcmcia_release_window(window_handle_t win) kfree(win->ctl.res); win->ctl.res = NULL; } - win->handle->state &= ~CLIENT_WIN_REQ(win->index); + win->handle->_win &= ~CLIENT_WIN_REQ(win->index); win->magic = 0; @@ -610,16 +613,12 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (req->IntType & INT_CARDBUS) return CS_UNSUPPORTED_MODE; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; /* Do power control. We don't allow changes in Vcc. */ - if (s->socket.Vcc != req->Vcc) - return CS_BAD_VCC; - if (req->Vpp1 != req->Vpp2) - return CS_BAD_VPP; - s->socket.Vpp = req->Vpp1; + s->socket.Vpp = req->Vpp; if (s->ops->set_socket(s, &s->socket)) return CS_BAD_VPP; @@ -643,7 +642,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, /* Set up CIS configuration registers */ base = c->ConfigBase = req->ConfigBase; - c->Present = c->CardValues = req->Present; + c->CardValues = req->Present; if (req->Present & PRESENT_COPY) { c->Copy = req->Copy; pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &c->Copy); @@ -690,10 +689,10 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (c->state & CONFIG_IO_REQ) { iomap.speed = io_speed; for (i = 0; i < MAX_IO_WIN; i++) - if (s->io[i].NumPorts != 0) { + if (s->io[i].res) { iomap.map = i; iomap.flags = MAP_ACTIVE; - switch (s->io[i].Attributes & IO_DATA_PATH_WIDTH) { + switch (s->io[i].res->flags & IO_DATA_PATH_WIDTH) { case IO_DATA_PATH_WIDTH_16: iomap.flags |= MAP_16BIT; break; case IO_DATA_PATH_WIDTH_AUTO: @@ -701,15 +700,15 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, default: break; } - iomap.start = s->io[i].BasePort; - iomap.stop = iomap.start + s->io[i].NumPorts - 1; + iomap.start = s->io[i].res->start; + iomap.stop = s->io[i].res->end; s->ops->set_io_map(s, &iomap); s->io[i].Config++; } } c->state |= CONFIG_LOCKED; - p_dev->state |= CLIENT_CONFIG_LOCKED; + p_dev->_locked = 1; return CS_SUCCESS; } /* pcmcia_request_configuration */ EXPORT_SYMBOL(pcmcia_request_configuration); @@ -730,7 +729,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) if (!req) return CS_UNSUPPORTED_MODE; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->state & CONFIG_IO_REQ) @@ -755,7 +754,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) c->io = *req; c->state |= CONFIG_IO_REQ; - p_dev->state |= CLIENT_IO_REQ; + p_dev->_io = 1; return CS_SUCCESS; } /* pcmcia_request_io */ EXPORT_SYMBOL(pcmcia_request_io); @@ -786,7 +785,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->state & CONFIG_IRQ_REQ) @@ -851,7 +850,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) s->irq.Config++; c->state |= CONFIG_IRQ_REQ; - p_dev->state |= CLIENT_IRQ_REQ; + p_dev->_irq = 1; #ifdef CONFIG_PCMCIA_PROBE pcmcia_used_irq[irq]++; @@ -911,7 +910,7 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h if (!win->ctl.res) return CS_IN_USE; } - (*p_dev)->state |= CLIENT_WIN_REQ(w); + (*p_dev)->_win |= CLIENT_WIN_REQ(w); /* Configure the socket controller */ win->ctl.map = w+1; @@ -941,3 +940,14 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h return CS_SUCCESS; } /* pcmcia_request_window */ EXPORT_SYMBOL(pcmcia_request_window); + +void pcmcia_disable_device(struct pcmcia_device *p_dev) { + pcmcia_release_configuration(p_dev); + pcmcia_release_io(p_dev, &p_dev->io); + pcmcia_release_irq(p_dev, &p_dev->irq); + if (&p_dev->win) + pcmcia_release_window(p_dev->win); + + p_dev->dev_node = NULL; +} +EXPORT_SYMBOL(pcmcia_disable_device); |