diff options
Diffstat (limited to 'drivers/pcmcia')
31 files changed, 603 insertions, 273 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index c988514eb551..c80a7a6e7698 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -215,7 +215,7 @@ config PCMCIA_PXA2XX depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \ || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \ - || MACH_VPAC270) + || MACH_VPAC270 || MACH_BALLOON3) select PCMCIA_SOC_COMMON help Say Y here to include support for the PXA2xx PCMCIA controller diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 7a2b1604bf1c..8d9386a22eb3 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -69,6 +69,7 @@ pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o +pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y) diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c index 88c4c4098789..95dd7c62741f 100644 --- a/drivers/pcmcia/au1000_generic.c +++ b/drivers/pcmcia/au1000_generic.c @@ -441,14 +441,12 @@ int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, out_err: - flush_scheduled_work(); ops->hw_shutdown(skt); while (i-- > 0) { skt = PCMCIA_SOCKET(i); del_timer_sync(&skt->poll_timer); pcmcia_unregister_socket(&skt->socket); - flush_scheduled_work(); if (i == 0) { iounmap(skt->virt_io + (u32)mips_io_port_base); skt->virt_io = NULL; @@ -480,7 +478,6 @@ int au1x00_drv_pcmcia_remove(struct platform_device *dev) del_timer_sync(&skt->poll_timer); pcmcia_unregister_socket(&skt->socket); - flush_scheduled_work(); skt->ops->hw_shutdown(skt); au1x00_pcmcia_config_skt(skt, &dead_socket); iounmap(skt->virt_io + (u32)mips_io_port_base); diff --git a/drivers/pcmcia/au1000_generic.h b/drivers/pcmcia/au1000_generic.h index 67530cefcf3c..5c36bda2963b 100644 --- a/drivers/pcmcia/au1000_generic.h +++ b/drivers/pcmcia/au1000_generic.h @@ -23,7 +23,6 @@ /* include the world */ -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c index 807f2d75dad3..b2396647a165 100644 --- a/drivers/pcmcia/au1000_pb1x00.c +++ b/drivers/pcmcia/au1000_pb1x00.c @@ -31,7 +31,6 @@ #include <linux/proc_fs.h> #include <linux/types.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 91414a0ddc44..884a984216fe 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -28,7 +28,6 @@ #include <asm/unaligned.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cisreg.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 2ec8ac97445c..d9ea192c4001 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -33,7 +33,6 @@ #include <asm/irq.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -845,7 +844,7 @@ static int pcmcia_socket_dev_resume_noirq(struct device *dev) return __pcmcia_pm_op(dev, socket_early_resume); } -static int pcmcia_socket_dev_resume(struct device *dev) +static int __used pcmcia_socket_dev_resume(struct device *dev) { return __pcmcia_pm_op(dev, socket_late_resume); } diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index da055dc14d98..7f1953f78b12 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -33,18 +33,9 @@ typedef struct config_t { struct kref ref; unsigned int state; - unsigned int Attributes; - unsigned int IntType; - unsigned int ConfigBase; - unsigned char Status, Pin, Copy, Option, ExtStatus; - unsigned int CardValues; struct resource io[MAX_IO_WIN]; /* io ports */ struct resource mem[MAX_WIN]; /* mem areas */ - - struct { - u_int Attributes; - } irq; } config_t; diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 55570d9e1e4c..100c4412457d 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -26,7 +26,6 @@ #include <linux/dma-mapping.h> #include <linux/slab.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include <pcmcia/ss.h> @@ -52,7 +51,7 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) if (!p_drv->probe || !p_drv->remove) printk(KERN_DEBUG "pcmcia: %s lacks a requisite callback " - "function\n", p_drv->drv.name); + "function\n", p_drv->name); while (did && did->match_flags) { for (i = 0; i < 4; i++) { @@ -65,7 +64,7 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) printk(KERN_DEBUG "pcmcia: %s: invalid hash for " "product string \"%s\": is 0x%x, should " - "be 0x%x\n", p_drv->drv.name, did->prod_id[i], + "be 0x%x\n", p_drv->name, did->prod_id[i], did->prod_id_hash[i], hash); printk(KERN_DEBUG "pcmcia: see " "Documentation/pcmcia/devicetable.txt for " @@ -180,10 +179,11 @@ int pcmcia_register_driver(struct pcmcia_driver *driver) /* initialize common fields */ driver->drv.bus = &pcmcia_bus_type; driver->drv.owner = driver->owner; + driver->drv.name = driver->name; mutex_init(&driver->dynids.lock); INIT_LIST_HEAD(&driver->dynids.list); - pr_debug("registering driver %s\n", driver->drv.name); + pr_debug("registering driver %s\n", driver->name); error = driver_register(&driver->drv); if (error < 0) @@ -203,7 +203,7 @@ EXPORT_SYMBOL(pcmcia_register_driver); */ void pcmcia_unregister_driver(struct pcmcia_driver *driver) { - pr_debug("unregistering driver %s\n", driver->drv.name); + pr_debug("unregistering driver %s\n", driver->name); driver_unregister(&driver->drv); pcmcia_free_dynids(driver); } @@ -264,7 +264,7 @@ static int pcmcia_device_probe(struct device *dev) p_drv = to_pcmcia_drv(dev->driver); s = p_dev->socket; - dev_dbg(dev, "trying to bind to %s\n", p_drv->drv.name); + dev_dbg(dev, "trying to bind to %s\n", p_drv->name); if ((!p_drv->probe) || (!p_dev->function_config) || (!try_module_get(p_drv->owner))) { @@ -276,21 +276,28 @@ static int pcmcia_device_probe(struct device *dev) ret = pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_CONFIG, &cis_config); if (!ret) { - p_dev->conf.ConfigBase = cis_config.base; - p_dev->conf.Present = cis_config.rmask[0]; + p_dev->config_base = cis_config.base; + p_dev->config_regs = cis_config.rmask[0]; + dev_dbg(dev, "base %x, regs %x", p_dev->config_base, + p_dev->config_regs); } else { dev_printk(KERN_INFO, dev, "pcmcia: could not parse base and rmask0 of CIS\n"); - p_dev->conf.ConfigBase = 0; - p_dev->conf.Present = 0; + p_dev->config_base = 0; + p_dev->config_regs = 0; } ret = p_drv->probe(p_dev); if (ret) { dev_dbg(dev, "binding to %s failed with %d\n", - p_drv->drv.name, ret); + p_drv->name, ret); goto put_module; } + dev_dbg(dev, "%s bound: Vpp %d.%d, idx %x, IRQ %d", p_drv->name, + p_dev->vpp/10, p_dev->vpp%10, p_dev->config_index, p_dev->irq); + dev_dbg(dev, "resources: ioport %pR %pR iomem %pR %pR %pR", + p_dev->resource[0], p_dev->resource[1], p_dev->resource[2], + p_dev->resource[3], p_dev->resource[4]); mutex_lock(&s->ops_mutex); if ((s->pcmcia_pfc) && @@ -374,13 +381,13 @@ static int pcmcia_device_remove(struct device *dev) if (p_dev->_irq || p_dev->_io || p_dev->_locked) dev_printk(KERN_INFO, dev, "pcmcia: driver %s did not release config properly\n", - p_drv->drv.name); + p_drv->name); for (i = 0; i < MAX_WIN; i++) if (p_dev->_win & CLIENT_WIN_REQ(i)) dev_printk(KERN_INFO, dev, "pcmcia: driver %s did not release window properly\n", - p_drv->drv.name); + p_drv->name); /* references from pcmcia_probe_device */ pcmcia_put_dev(p_dev); @@ -1136,7 +1143,7 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state) dev_printk(KERN_ERR, dev, "pcmcia: device %s (driver %s) did " "not want to go to sleep (%d)\n", - p_dev->devname, p_drv->drv.name, ret); + p_dev->devname, p_drv->name, ret); mutex_lock(&p_dev->socket->ops_mutex); p_dev->suspended = 0; mutex_unlock(&p_dev->socket->ops_mutex); @@ -1178,7 +1185,7 @@ static int pcmcia_dev_resume(struct device *dev) if (p_dev->device_no == p_dev->func) { dev_dbg(dev, "requesting configuration\n"); - ret = pcmcia_request_configuration(p_dev, &p_dev->conf); + ret = pcmcia_enable_device(p_dev); if (ret) goto out; } diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c index f94d8281cfb0..546d3024b6f0 100644 --- a/drivers/pcmcia/electra_cf.c +++ b/drivers/pcmcia/electra_cf.c @@ -44,7 +44,7 @@ struct electra_cf_socket { unsigned present:1; unsigned active:1; - struct of_device *ofdev; + struct platform_device *ofdev; unsigned long mem_phys; void __iomem * mem_base; unsigned long mem_size; @@ -181,7 +181,7 @@ static struct pccard_operations electra_cf_ops = { .set_mem_map = electra_cf_set_mem_map, }; -static int __devinit electra_cf_probe(struct of_device *ofdev, +static int __devinit electra_cf_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct device *device = &ofdev->dev; @@ -325,7 +325,7 @@ fail1: } -static int __devexit electra_cf_remove(struct of_device *ofdev) +static int __devexit electra_cf_remove(struct platform_device *ofdev) { struct device *device = &ofdev->dev; struct electra_cf_socket *cf; diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 05d0879ce935..fc7906eaf228 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -16,7 +16,6 @@ #include <linux/device.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <asm/system.h> #include <asm/io.h> diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index 61746bd598b3..72a033a2acdb 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -51,7 +51,6 @@ #include <asm/system.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <linux/isapnp.h> diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c index 24de49925863..2adb0106a039 100644 --- a/drivers/pcmcia/m32r_cfc.c +++ b/drivers/pcmcia/m32r_cfc.c @@ -27,7 +27,6 @@ #include <asm/system.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #undef MAX_IO_WIN /* FIXME */ #define MAX_IO_WIN 1 diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c index 8e4723844ad3..1511ff71c87b 100644 --- a/drivers/pcmcia/m32r_pcc.c +++ b/drivers/pcmcia/m32r_pcc.c @@ -28,7 +28,6 @@ #include <asm/addrspace.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> /* XXX: should be moved into asm/irq.h */ #define PCC0_IRQ 24 diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c index f2f90a7d3e12..99d4f23cb435 100644 --- a/drivers/pcmcia/m8xx_pcmcia.c +++ b/drivers/pcmcia/m8xx_pcmcia.c @@ -59,7 +59,6 @@ #include <asm/irq.h> #include <asm/fs_pd.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #define pcmcia_info(args...) printk(KERN_INFO "m8xx_pcmcia: "args) @@ -1149,7 +1148,7 @@ static struct pccard_operations m8xx_services = { .set_mem_map = m8xx_set_mem_map, }; -static int __init m8xx_probe(struct of_device *ofdev, +static int __init m8xx_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct pcmcia_win *w; @@ -1249,7 +1248,7 @@ static int __init m8xx_probe(struct of_device *ofdev, return 0; } -static int m8xx_remove(struct of_device *ofdev) +static int m8xx_remove(struct platform_device *ofdev) { u32 m, i; struct pcmcia_win *w; diff --git a/drivers/pcmcia/o2micro.h b/drivers/pcmcia/o2micro.h index e74bebac2695..5096e92c7a4c 100644 --- a/drivers/pcmcia/o2micro.h +++ b/drivers/pcmcia/o2micro.h @@ -153,14 +153,14 @@ static int o2micro_override(struct yenta_socket *socket) if (use_speedup) { dev_info(&socket->dev->dev, - "O2: enabling read prefetch/write burst\n"); + "O2: enabling read prefetch/write burst. If you experience problems or performance issues, use the yenta_socket parameter 'o2_speedup=off'\n"); config_writeb(socket, O2_RESERVED1, a | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); config_writeb(socket, O2_RESERVED2, b | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); } else { dev_info(&socket->dev->dev, - "O2: disabling read prefetch/write burst\n"); + "O2: disabling read prefetch/write burst. If you experience problems or performance issues, use the yenta_socket parameter 'o2_speedup=on'\n"); config_writeb(socket, O2_RESERVED1, a & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST)); config_writeb(socket, O2_RESERVED2, diff --git a/drivers/pcmcia/pcmcia_cis.c b/drivers/pcmcia/pcmcia_cis.c index 0ac54da15885..e2c92415b892 100644 --- a/drivers/pcmcia/pcmcia_cis.c +++ b/drivers/pcmcia/pcmcia_cis.c @@ -6,7 +6,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * Copyright (C) 1999 David A. Hinds - * Copyright (C) 2004-2009 Dominik Brodowski + * Copyright (C) 2004-2010 Dominik Brodowski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -22,7 +22,6 @@ #include <pcmcia/cisreg.h> #include <pcmcia/cistpl.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/ds.h> #include "cs_internal.h" @@ -126,14 +125,24 @@ next_entry: return ret; } + +/** + * pcmcia_io_cfg_data_width() - convert cfgtable to data path width parameter + */ +static int pcmcia_io_cfg_data_width(unsigned int flags) +{ + if (!(flags & CISTPL_IO_8BIT)) + return IO_DATA_PATH_WIDTH_16; + if (!(flags & CISTPL_IO_16BIT)) + return IO_DATA_PATH_WIDTH_8; + return IO_DATA_PATH_WIDTH_AUTO; +} + + struct pcmcia_cfg_mem { struct pcmcia_device *p_dev; + int (*conf_check) (struct pcmcia_device *p_dev, void *priv_data); void *priv_data; - int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, - void *priv_data); cisparse_t parse; cistpl_cftable_entry_t dflt; }; @@ -147,25 +156,102 @@ struct pcmcia_cfg_mem { */ static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) { - cistpl_cftable_entry_t *cfg = &parse->cftable_entry; struct pcmcia_cfg_mem *cfg_mem = priv; + struct pcmcia_device *p_dev = cfg_mem->p_dev; + cistpl_cftable_entry_t *cfg = &parse->cftable_entry; + cistpl_cftable_entry_t *dflt = &cfg_mem->dflt; + unsigned int flags = p_dev->config_flags; + unsigned int vcc = p_dev->socket->socket.Vcc; + + dev_dbg(&p_dev->dev, "testing configuration %x, autoconf %x\n", + cfg->index, flags); /* default values */ - cfg_mem->p_dev->conf.ConfigIndex = cfg->index; + cfg_mem->p_dev->config_index = cfg->index; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) cfg_mem->dflt = *cfg; - return cfg_mem->conf_check(cfg_mem->p_dev, cfg, &cfg_mem->dflt, - cfg_mem->p_dev->socket->socket.Vcc, - cfg_mem->priv_data); + /* check for matching Vcc? */ + if (flags & CONF_AUTO_CHECK_VCC) { + if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) + return -ENODEV; + } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) + return -ENODEV; + } + } + + /* set Vpp? */ + if (flags & CONF_AUTO_SET_VPP) { + if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) + p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; + else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) + p_dev->vpp = + dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000; + } + + /* enable audio? */ + if ((flags & CONF_AUTO_AUDIO) && (cfg->flags & CISTPL_CFTABLE_AUDIO)) + p_dev->config_flags |= CONF_ENABLE_SPKR; + + + /* IO window settings? */ + if (flags & CONF_AUTO_SET_IO) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; + int i = 0; + + p_dev->resource[0]->start = p_dev->resource[0]->end = 0; + p_dev->resource[1]->start = p_dev->resource[1]->end = 0; + if (io->nwin == 0) + return -ENODEV; + + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= + pcmcia_io_cfg_data_width(io->flags); + if (io->nwin > 1) { + /* For multifunction cards, by convention, we + * configure the network function with window 0, + * and serial with window 1 */ + i = (io->win[1].len > io->win[0].len); + p_dev->resource[1]->flags = p_dev->resource[0]->flags; + p_dev->resource[1]->start = io->win[1-i].base; + p_dev->resource[1]->end = io->win[1-i].len; + } + p_dev->resource[0]->start = io->win[i].base; + p_dev->resource[0]->end = io->win[i].len; + p_dev->io_lines = io->flags & CISTPL_IO_LINES_MASK; + } + + /* MEM window settings? */ + if (flags & CONF_AUTO_SET_IOMEM) { + /* so far, we only set one memory window */ + cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem; + + p_dev->resource[2]->start = p_dev->resource[2]->end = 0; + if (mem->nwin == 0) + return -ENODEV; + + p_dev->resource[2]->start = mem->win[0].host_addr; + p_dev->resource[2]->end = mem->win[0].len; + if (p_dev->resource[2]->end < 0x1000) + p_dev->resource[2]->end = 0x1000; + p_dev->card_addr = mem->win[0].card_addr; + } + + dev_dbg(&p_dev->dev, + "checking configuration %x: %pr %pr %pr (%d lines)\n", + p_dev->config_index, p_dev->resource[0], p_dev->resource[1], + p_dev->resource[2], p_dev->io_lines); + + return cfg_mem->conf_check(p_dev, cfg_mem->priv_data); } /** * pcmcia_loop_config() - loop over configuration options * @p_dev: the struct pcmcia_device which we need to loop for. * @conf_check: function to call for each configuration option. - * It gets passed the struct pcmcia_device, the CIS data - * describing the configuration option, and private data + * It gets passed the struct pcmcia_device and private data * being passed to pcmcia_loop_config() * @priv_data: private data to be passed to the conf_check function. * @@ -175,9 +261,6 @@ static int pcmcia_do_loop_config(tuple_t *tuple, cisparse_t *parse, void *priv) */ int pcmcia_loop_config(struct pcmcia_device *p_dev, int (*conf_check) (struct pcmcia_device *p_dev, - cistpl_cftable_entry_t *cfg, - cistpl_cftable_entry_t *dflt, - unsigned int vcc, void *priv_data), void *priv_data) { diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 54aa1c238cb3..0bdda5b3ed55 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -6,7 +6,7 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * Copyright (C) 1999 David A. Hinds - * Copyright (C) 2004-2005 Dominik Brodowski + * Copyright (C) 2004-2010 Dominik Brodowski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -26,7 +26,6 @@ #include <asm/irq.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> @@ -56,6 +55,12 @@ struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, } +/** + * release_io_space() - release IO ports allocated with alloc_io_space() + * @s: pcmcia socket + * @res: resource to release + * + */ static void release_io_space(struct pcmcia_socket *s, struct resource *res) { resource_size_t num = resource_size(res); @@ -81,9 +86,14 @@ static void release_io_space(struct pcmcia_socket *s, struct resource *res) } } } -} /* release_io_space */ +} + -/** alloc_io_space +/** + * alloc_io_space() - allocate IO ports for use by a PCMCIA device + * @s: pcmcia socket + * @res: resource to allocate (begin: begin, end: size) + * @lines: number of IO lines decoded by the PCMCIA card * * Special stuff for managing IO windows, because they are scarce */ @@ -135,7 +145,7 @@ static int alloc_io_space(struct pcmcia_socket *s, struct resource *res, } dev_dbg(&s->dev, "alloc_io_space request result %d: %pR\n", ret, res); return ret; -} /* alloc_io_space */ +} /** @@ -163,19 +173,19 @@ static int pcmcia_access_config(struct pcmcia_device *p_dev, c = p_dev->function_config; if (!(c->state & CONFIG_LOCKED)) { - dev_dbg(&s->dev, "Configuration isnt't locked\n"); + dev_dbg(&p_dev->dev, "Configuration isnt't locked\n"); mutex_unlock(&s->ops_mutex); return -EACCES; } - addr = (c->ConfigBase + where) >> 1; + addr = (p_dev->config_base + where) >> 1; ret = accessf(s, 1, addr, 1, val); mutex_unlock(&s->ops_mutex); return ret; -} /* pcmcia_access_config */ +} /** @@ -204,11 +214,20 @@ int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val) EXPORT_SYMBOL(pcmcia_write_config_byte); -int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh, +/** + * pcmcia_map_mem_page() - modify iomem window to point to a different offset + * @p_dev: pcmcia device + * @res: iomem resource already enabled by pcmcia_request_window() + * @offset: card_offset to map + * + * pcmcia_map_mem_page() modifies what can be read and written by accessing + * an iomem range previously enabled by pcmcia_request_window(), by setting + * the card_offset value to @offset. + */ +int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res, unsigned int offset) { struct pcmcia_socket *s = p_dev->socket; - struct resource *res = wh; unsigned int w; int ret; @@ -220,99 +239,114 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh, s->win[w].card_start = offset; ret = s->ops->set_mem_map(s, &s->win[w]); if (ret) - dev_warn(&s->dev, "failed to set_mem_map\n"); + dev_warn(&p_dev->dev, "failed to set_mem_map\n"); mutex_unlock(&s->ops_mutex); return ret; -} /* pcmcia_map_mem_page */ +} EXPORT_SYMBOL(pcmcia_map_mem_page); -/** pcmcia_modify_configuration +/** + * pcmcia_fixup_iowidth() - reduce io width to 8bit + * @p_dev: pcmcia device * - * Modify a locked socket configuration + * pcmcia_fixup_iowidth() allows a PCMCIA device driver to reduce the + * IO width to 8bit after having called pcmcia_enable_device() + * previously. */ -int pcmcia_modify_configuration(struct pcmcia_device *p_dev, - modconf_t *mod) +int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev) { - struct pcmcia_socket *s; - config_t *c; - int ret; - - s = p_dev->socket; + struct pcmcia_socket *s = p_dev->socket; + pccard_io_map io_off = { 0, 0, 0, 0, 1 }; + pccard_io_map io_on; + int i, ret = 0; mutex_lock(&s->ops_mutex); - c = p_dev->function_config; - if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); - ret = -ENODEV; - goto unlock; - } - if (!(c->state & CONFIG_LOCKED)) { - dev_dbg(&s->dev, "Configuration isnt't locked\n"); + dev_dbg(&p_dev->dev, "fixup iowidth to 8bit\n"); + + if (!(s->state & SOCKET_PRESENT) || + !(p_dev->function_config->state & CONFIG_LOCKED)) { + dev_dbg(&p_dev->dev, "No card? Config not locked?\n"); ret = -EACCES; goto unlock; } - if (mod->Attributes & (CONF_IRQ_CHANGE_VALID | CONF_VCC_CHANGE_VALID)) { - dev_dbg(&s->dev, - "changing Vcc or IRQ is not allowed at this time\n"); - ret = -EINVAL; - goto unlock; - } + 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; - /* We only allow changing Vpp1 and Vpp2 to the same value */ - if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) && - (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { - if (mod->Vpp1 != mod->Vpp2) { - dev_dbg(&s->dev, "Vpp1 and Vpp2 must be the same\n"); - ret = -EINVAL; - goto unlock; - } - s->socket.Vpp = mod->Vpp1; - if (s->ops->set_socket(s, &s->socket)) { - dev_printk(KERN_WARNING, &s->dev, - "Unable to set VPP\n"); - ret = -EIO; - goto unlock; - } - } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) || - (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { - dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n"); - ret = -EINVAL; - goto unlock; + 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); } +unlock: + mutex_unlock(&s->ops_mutex); - if (mod->Attributes & CONF_IO_CHANGE_WIDTH) { - pccard_io_map io_off = { 0, 0, 0, 0, 1 }; - pccard_io_map io_on; - int i; + return ret; +} +EXPORT_SYMBOL(pcmcia_fixup_iowidth); - 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; +/** + * pcmcia_fixup_vpp() - set Vpp to a new voltage level + * @p_dev: pcmcia device + * @new_vpp: new Vpp voltage + * + * pcmcia_fixup_vpp() allows a PCMCIA device driver to set Vpp to + * a new voltage level between calls to pcmcia_enable_device() + * and pcmcia_disable_device(). + */ +int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp) +{ + struct pcmcia_socket *s = p_dev->socket; + int ret = 0; - s->ops->set_io_map(s, &io_off); - mdelay(40); - s->ops->set_io_map(s, &io_on); - } + mutex_lock(&s->ops_mutex); + + dev_dbg(&p_dev->dev, "fixup Vpp to %d\n", new_vpp); + + if (!(s->state & SOCKET_PRESENT) || + !(p_dev->function_config->state & CONFIG_LOCKED)) { + dev_dbg(&p_dev->dev, "No card? Config not locked?\n"); + ret = -EACCES; + goto unlock; } - ret = 0; + + s->socket.Vpp = new_vpp; + if (s->ops->set_socket(s, &s->socket)) { + dev_warn(&p_dev->dev, "Unable to set VPP\n"); + ret = -EIO; + goto unlock; + } + p_dev->vpp = new_vpp; + unlock: mutex_unlock(&s->ops_mutex); return ret; -} /* modify_configuration */ -EXPORT_SYMBOL(pcmcia_modify_configuration); +} +EXPORT_SYMBOL(pcmcia_fixup_vpp); +/** + * pcmcia_release_configuration() - physically disable a PCMCIA device + * @p_dev: pcmcia device + * + * pcmcia_release_configuration() is the 1:1 counterpart to + * pcmcia_enable_device(): If a PCMCIA device is no longer used by any + * driver, the Vpp voltage is set to 0, IRQs will no longer be generated, + * and I/O ranges will be disabled. As pcmcia_release_io() and + * pcmcia_release_window() still need to be called, device drivers are + * expected to call pcmcia_disable_device() instead. + */ int pcmcia_release_configuration(struct pcmcia_device *p_dev) { pccard_io_map io = { 0, 0, 0, 0, 1 }; @@ -325,7 +359,7 @@ int pcmcia_release_configuration(struct pcmcia_device *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.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; s->socket.io_irq = 0; s->ops->set_socket(s, &s->socket); @@ -347,16 +381,18 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) mutex_unlock(&s->ops_mutex); return 0; -} /* pcmcia_release_configuration */ +} -/** pcmcia_release_io +/** + * pcmcia_release_io() - release I/O allocated by a PCMCIA device + * @p_dev: pcmcia device * - * Release_io() releases the I/O ranges allocated by a client. This - * may be invoked some time after a card ejection has already dumped - * the actual socket configuration, so if the client is "stale", we - * don't bother checking the port ranges against the current socket - * values. + * pcmcia_release_io() releases the I/O ranges allocated by a PCMCIA + * device. This may be invoked some time after a card ejection has + * already dumped the actual socket configuration, so if the client is + * "stale", we don't bother checking the port ranges against the + * current socket values. */ static int pcmcia_release_io(struct pcmcia_device *p_dev) { @@ -385,6 +421,14 @@ out: } /* pcmcia_release_io */ +/** + * pcmcia_release_window() - release reserved iomem for PCMCIA devices + * @p_dev: pcmcia device + * @res: iomem resource to release + * + * pcmcia_release_window() releases &struct resource *res which was + * previously reserved by calling pcmcia_request_window(). + */ int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res) { struct pcmcia_socket *s = p_dev->socket; @@ -401,7 +445,7 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res) win = &s->win[w]; if (!(p_dev->_win & CLIENT_WIN_REQ(w))) { - dev_dbg(&s->dev, "not releasing unknown window\n"); + dev_dbg(&p_dev->dev, "not releasing unknown window\n"); mutex_unlock(&s->ops_mutex); return -EINVAL; } @@ -418,6 +462,8 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res) kfree(win->res); win->res = NULL; } + res->start = res->end = 0; + res->flags = IORESOURCE_MEM; p_dev->_win &= ~CLIENT_WIN_REQ(w); mutex_unlock(&s->ops_mutex); @@ -426,99 +472,116 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res) EXPORT_SYMBOL(pcmcia_release_window); -int pcmcia_request_configuration(struct pcmcia_device *p_dev, - config_req_t *req) +/** + * pcmcia_enable_device() - set up and activate a PCMCIA device + * @p_dev: the associated PCMCIA device + * + * pcmcia_enable_device() physically enables a PCMCIA device. It parses + * the flags passed to in @flags and stored in @p_dev->flags and sets up + * the Vpp voltage, enables the speaker line, I/O ports and store proper + * values to configuration registers. + */ +int pcmcia_enable_device(struct pcmcia_device *p_dev) { int i; - u_int base; + unsigned int base; struct pcmcia_socket *s = p_dev->socket; config_t *c; pccard_io_map iomap; + unsigned char status = 0; + unsigned char ext_status = 0; + unsigned char option = 0; + unsigned int flags = p_dev->config_flags; if (!(s->state & SOCKET_PRESENT)) return -ENODEV; - if (req->IntType & INT_CARDBUS) { - dev_dbg(&s->dev, "IntType may not be INT_CARDBUS\n"); - return -EINVAL; - } - mutex_lock(&s->ops_mutex); c = p_dev->function_config; if (c->state & CONFIG_LOCKED) { mutex_unlock(&s->ops_mutex); - dev_dbg(&s->dev, "Configuration is locked\n"); + dev_dbg(&p_dev->dev, "Configuration is locked\n"); return -EACCES; } /* Do power control. We don't allow changes in Vcc. */ - s->socket.Vpp = req->Vpp; + s->socket.Vpp = p_dev->vpp; if (s->ops->set_socket(s, &s->socket)) { mutex_unlock(&s->ops_mutex); - dev_printk(KERN_WARNING, &s->dev, + dev_printk(KERN_WARNING, &p_dev->dev, "Unable to set socket state\n"); return -EINVAL; } /* Pick memory or I/O card, DMA mode, interrupt */ - c->IntType = req->IntType; - c->Attributes = req->Attributes; - if (req->IntType & INT_MEMORY_AND_IO) + if (p_dev->_io || flags & CONF_ENABLE_IRQ) + flags |= CONF_ENABLE_IOCARD; + if (flags & CONF_ENABLE_IOCARD) s->socket.flags |= SS_IOCARD; - if (req->IntType & INT_ZOOMED_VIDEO) - s->socket.flags |= SS_ZVCARD | SS_IOCARD; - if (req->Attributes & CONF_ENABLE_DMA) - s->socket.flags |= SS_DMA_MODE; - if (req->Attributes & CONF_ENABLE_SPKR) + if (flags & CONF_ENABLE_SPKR) { s->socket.flags |= SS_SPKR_ENA; - if (req->Attributes & CONF_ENABLE_IRQ) + status = CCSR_AUDIO_ENA; + if (!(p_dev->config_regs & PRESENT_STATUS)) + dev_warn(&p_dev->dev, "speaker requested, but " + "PRESENT_STATUS not set!\n"); + } + if (flags & CONF_ENABLE_IRQ) s->socket.io_irq = s->pcmcia_irq; else s->socket.io_irq = 0; + if (flags & CONF_ENABLE_ESR) { + p_dev->config_regs |= PRESENT_EXT_STATUS; + ext_status = ESR_REQ_ATTN_ENA; + } s->ops->set_socket(s, &s->socket); s->lock_count++; + dev_dbg(&p_dev->dev, + "enable_device: V %d, flags %x, base %x, regs %x, idx %x\n", + p_dev->vpp, flags, p_dev->config_base, p_dev->config_regs, + p_dev->config_index); + /* Set up CIS configuration registers */ - base = c->ConfigBase = req->ConfigBase; - 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); - } - if (req->Present & PRESENT_OPTION) { + base = p_dev->config_base; + if (p_dev->config_regs & PRESENT_COPY) { + u16 tmp = 0; + dev_dbg(&p_dev->dev, "clearing CISREG_SCR\n"); + pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &tmp); + } + if (p_dev->config_regs & PRESENT_PIN_REPLACE) { + u16 tmp = 0; + dev_dbg(&p_dev->dev, "clearing CISREG_PRR\n"); + pcmcia_write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &tmp); + } + if (p_dev->config_regs & PRESENT_OPTION) { if (s->functions == 1) { - c->Option = req->ConfigIndex & COR_CONFIG_MASK; + option = p_dev->config_index & COR_CONFIG_MASK; } else { - c->Option = req->ConfigIndex & COR_MFC_CONFIG_MASK; - c->Option |= COR_FUNC_ENA|COR_IREQ_ENA; - if (req->Present & PRESENT_IOBASE_0) - c->Option |= COR_ADDR_DECODE; + option = p_dev->config_index & COR_MFC_CONFIG_MASK; + option |= COR_FUNC_ENA|COR_IREQ_ENA; + if (p_dev->config_regs & PRESENT_IOBASE_0) + option |= COR_ADDR_DECODE; } - if ((req->Attributes & CONF_ENABLE_IRQ) && - !(req->Attributes & CONF_ENABLE_PULSE_IRQ)) - c->Option |= COR_LEVEL_REQ; - pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &c->Option); + if ((flags & CONF_ENABLE_IRQ) && + !(flags & CONF_ENABLE_PULSE_IRQ)) + option |= COR_LEVEL_REQ; + pcmcia_write_cis_mem(s, 1, (base + CISREG_COR)>>1, 1, &option); mdelay(40); } - if (req->Present & PRESENT_STATUS) { - c->Status = req->Status; - pcmcia_write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &c->Status); - } - if (req->Present & PRESENT_PIN_REPLACE) { - c->Pin = req->Pin; - pcmcia_write_cis_mem(s, 1, (base + CISREG_PRR)>>1, 1, &c->Pin); - } - if (req->Present & PRESENT_EXT_STATUS) { - c->ExtStatus = req->ExtStatus; - pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, &c->ExtStatus); - } - if (req->Present & PRESENT_IOBASE_0) { + if (p_dev->config_regs & PRESENT_STATUS) + pcmcia_write_cis_mem(s, 1, (base + CISREG_CCSR)>>1, 1, &status); + + if (p_dev->config_regs & PRESENT_EXT_STATUS) + pcmcia_write_cis_mem(s, 1, (base + CISREG_ESR)>>1, 1, + &ext_status); + + if (p_dev->config_regs & PRESENT_IOBASE_0) { u8 b = c->io[0].start & 0xff; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_0)>>1, 1, &b); b = (c->io[0].start >> 8) & 0xff; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOBASE_1)>>1, 1, &b); } - if (req->Present & PRESENT_IOSIZE) { + if (p_dev->config_regs & PRESENT_IOSIZE) { u8 b = resource_size(&c->io[0]) + resource_size(&c->io[1]) - 1; pcmcia_write_cis_mem(s, 1, (base + CISREG_IOSIZE)>>1, 1, &b); } @@ -549,14 +612,15 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, p_dev->_locked = 1; mutex_unlock(&s->ops_mutex); return 0; -} /* pcmcia_request_configuration */ -EXPORT_SYMBOL(pcmcia_request_configuration); +} /* pcmcia_enable_device */ +EXPORT_SYMBOL(pcmcia_enable_device); /** * pcmcia_request_io() - attempt to reserve port ranges for PCMCIA devices + * @p_dev: the associated PCMCIA device * - * pcmcia_request_io() attepts to reserve the IO port ranges specified in + * pcmcia_request_io() attempts to reserve the IO port ranges specified in * &struct pcmcia_device @p_dev->resource[0] and @p_dev->resource[1]. The * "start" value is the requested start of the IO port resource; "end" * reflects the number of ports requested. The number of IO lines requested @@ -569,19 +633,20 @@ int pcmcia_request_io(struct pcmcia_device *p_dev) int ret = -EINVAL; mutex_lock(&s->ops_mutex); - dev_dbg(&s->dev, "pcmcia_request_io: %pR , %pR", &c->io[0], &c->io[1]); + dev_dbg(&p_dev->dev, "pcmcia_request_io: %pR , %pR", + &c->io[0], &c->io[1]); if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "pcmcia_request_io: No card present\n"); + dev_dbg(&p_dev->dev, "pcmcia_request_io: No card present\n"); goto out; } if (c->state & CONFIG_LOCKED) { - dev_dbg(&s->dev, "Configuration is locked\n"); + dev_dbg(&p_dev->dev, "Configuration is locked\n"); goto out; } if (c->state & CONFIG_IO_REQ) { - dev_dbg(&s->dev, "IO already configured\n"); + dev_dbg(&p_dev->dev, "IO already configured\n"); goto out; } @@ -592,7 +657,13 @@ int pcmcia_request_io(struct pcmcia_device *p_dev) if (c->io[1].end) { ret = alloc_io_space(s, &c->io[1], p_dev->io_lines); if (ret) { + struct resource tmp = c->io[0]; + /* release the previously allocated resource */ release_io_space(s, &c->io[0]); + /* but preserve the settings, for they worked... */ + c->io[0].end = resource_size(&tmp); + c->io[0].start = tmp.start; + c->io[0].flags = tmp.flags; goto out; } } else @@ -601,7 +672,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev) c->state |= CONFIG_IO_REQ; p_dev->_io = 1; - dev_dbg(&s->dev, "pcmcia_request_io succeeded: %pR , %pR", + dev_dbg(&p_dev->dev, "pcmcia_request_io succeeded: %pR , %pR", &c->io[0], &c->io[1]); out: mutex_unlock(&s->ops_mutex); @@ -613,11 +684,13 @@ EXPORT_SYMBOL(pcmcia_request_io); /** * pcmcia_request_irq() - attempt to request a IRQ for a PCMCIA device + * @p_dev: the associated PCMCIA device + * @handler: IRQ handler to register * - * pcmcia_request_irq() is a wrapper around request_irq which will allow + * pcmcia_request_irq() is a wrapper around request_irq() which allows * the PCMCIA core to clean up the registration in pcmcia_disable_device(). * Drivers are free to use request_irq() directly, but then they need to - * call free_irq themselfves, too. Also, only IRQF_SHARED capable IRQ + * call free_irq() themselfves, too. Also, only %IRQF_SHARED capable IRQ * handlers are allowed. */ int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev, @@ -640,12 +713,14 @@ EXPORT_SYMBOL(pcmcia_request_irq); /** * pcmcia_request_exclusive_irq() - attempt to request an exclusive IRQ first + * @p_dev: the associated PCMCIA device + * @handler: IRQ handler to register * - * pcmcia_request_exclusive_irq() is a wrapper around request_irq which + * pcmcia_request_exclusive_irq() is a wrapper around request_irq() which * attempts first to request an exclusive IRQ. If it fails, it also accepts * a shared IRQ, but prints out a warning. PCMCIA drivers should allow for * IRQ sharing and either use request_irq directly (then they need to call - * free_irq themselves, too), or the pcmcia_request_irq() function. + * free_irq() themselves, too), or the pcmcia_request_irq() function. */ int __must_check __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev, @@ -786,38 +861,47 @@ int pcmcia_setup_irq(struct pcmcia_device *p_dev) } -/** pcmcia_request_window +/** + * pcmcia_request_window() - attempt to reserve iomem for PCMCIA devices + * @p_dev: the associated PCMCIA device + * @res: &struct resource pointing to p_dev->resource[2..5] + * @speed: access speed * - * Request_window() establishes a mapping between card memory space - * and system memory space. + * pcmcia_request_window() attepts to reserve an iomem ranges specified in + * &struct resource @res pointing to one of the entries in + * &struct pcmcia_device @p_dev->resource[2..5]. The "start" value is the + * requested start of the IO mem resource; "end" reflects the size + * requested. */ -int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_handle_t *wh) +int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res, + unsigned int speed) { struct pcmcia_socket *s = p_dev->socket; pccard_mem_map *win; u_long align; - struct resource *res; int w; + dev_dbg(&p_dev->dev, "request_window %pR %d\n", res, speed); + if (!(s->state & SOCKET_PRESENT)) { - dev_dbg(&s->dev, "No card present\n"); + dev_dbg(&p_dev->dev, "No card present\n"); return -ENODEV; } /* Window size defaults to smallest available */ - if (req->Size == 0) - req->Size = s->map_size; - align = (s->features & SS_CAP_MEM_ALIGN) ? req->Size : s->map_size; - if (req->Size & (s->map_size-1)) { - dev_dbg(&s->dev, "invalid map size\n"); + if (res->end == 0) + res->end = s->map_size; + align = (s->features & SS_CAP_MEM_ALIGN) ? res->end : s->map_size; + if (res->end & (s->map_size-1)) { + dev_dbg(&p_dev->dev, "invalid map size\n"); return -EINVAL; } - if ((req->Base && (s->features & SS_CAP_STATIC_MAP)) || - (req->Base & (align-1))) { - dev_dbg(&s->dev, "invalid base address\n"); + if ((res->start && (s->features & SS_CAP_STATIC_MAP)) || + (res->start & (align-1))) { + dev_dbg(&p_dev->dev, "invalid base address\n"); return -EINVAL; } - if (req->Base) + if (res->start) align = 0; /* Allocate system memory window */ @@ -826,7 +910,7 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha if (!(s->state & SOCKET_WIN_REQ(w))) break; if (w == MAX_WIN) { - dev_dbg(&s->dev, "all windows are used already\n"); + dev_dbg(&p_dev->dev, "all windows are used already\n"); mutex_unlock(&s->ops_mutex); return -EINVAL; } @@ -834,10 +918,10 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha win = &s->win[w]; if (!(s->features & SS_CAP_STATIC_MAP)) { - win->res = pcmcia_find_mem_region(req->Base, req->Size, align, + win->res = pcmcia_find_mem_region(res->start, res->end, align, 0, s); if (!win->res) { - dev_dbg(&s->dev, "allocating mem region failed\n"); + dev_dbg(&p_dev->dev, "allocating mem region failed\n"); mutex_unlock(&s->ops_mutex); return -EINVAL; } @@ -846,12 +930,12 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha /* Configure the socket controller */ win->map = w+1; - win->flags = req->Attributes; - win->speed = req->AccessSpeed; + win->flags = res->flags & WIN_FLAGS_MAP; + win->speed = speed; win->card_start = 0; if (s->ops->set_mem_map(s, win) != 0) { - dev_dbg(&s->dev, "failed to set memory mapping\n"); + dev_dbg(&p_dev->dev, "failed to set memory mapping\n"); mutex_unlock(&s->ops_mutex); return -EIO; } @@ -859,33 +943,45 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha /* Return window handle */ if (s->features & SS_CAP_STATIC_MAP) - req->Base = win->static_start; + res->start = win->static_start; else - req->Base = win->res->start; + res->start = win->res->start; /* convert to new-style resources */ - res = p_dev->resource[w + MAX_IO_WIN]; - res->start = req->Base; - res->end = req->Base + req->Size - 1; - res->flags &= ~IORESOURCE_BITS; - res->flags |= (req->Attributes & WIN_FLAGS_MAP) | (win->map << 2); - res->flags |= IORESOURCE_MEM; + res->end += res->start - 1; + res->flags &= ~WIN_FLAGS_REQ; + res->flags |= (win->map << 2) | IORESOURCE_MEM; res->parent = win->res; if (win->res) request_resource(&iomem_resource, res); - dev_dbg(&s->dev, "request_window results in %pR\n", res); + dev_dbg(&p_dev->dev, "request_window results in %pR\n", res); mutex_unlock(&s->ops_mutex); - *wh = res; return 0; } /* pcmcia_request_window */ EXPORT_SYMBOL(pcmcia_request_window); + +/** + * pcmcia_disable_device() - disable and clean up a PCMCIA device + * @p_dev: the associated PCMCIA device + * + * pcmcia_disable_device() is the driver-callable counterpart to + * pcmcia_enable_device(): If a PCMCIA device is no longer used, + * drivers are expected to clean up and disable the device by calling + * this function. Any I/O ranges (iomem and ioports) will be released, + * the Vpp voltage will be set to 0, and IRQs will no longer be + * generated -- at least if there is no other card function (of + * multifunction devices) being used. + */ void pcmcia_disable_device(struct pcmcia_device *p_dev) { int i; + + dev_dbg(&p_dev->dev, "disabling device\n"); + for (i = 0; i < MAX_WIN; i++) { struct resource *res = p_dev->resource[MAX_IO_WIN + i]; if (res->flags & WIN_FLAGS_REQ) diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index b8a869af0f44..8cbfa067171f 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -18,7 +18,6 @@ #include <linux/io.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <asm/system.h> @@ -646,7 +645,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, if (!pci_resource_start(dev, 0)) { dev_warn(&dev->dev, "refusing to load the driver as the " "io_base is NULL.\n"); - goto err_out_free_mem; + goto err_out_disable; } dev_info(&dev->dev, "Cirrus PD6729 PCI to PCMCIA Bridge at 0x%llx " diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c new file mode 100644 index 000000000000..dbbdd0063202 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_balloon3.c @@ -0,0 +1,158 @@ +/* + * linux/drivers/pcmcia/pxa2xx_balloon3.c + * + * Balloon3 PCMCIA specific routines. + * + * Author: Nick Bane + * Created: June, 2006 + * Copyright: Toby Churchill Ltd + * Derived from pxa2xx_mainstone.c, by Nico Pitre + * + * Various modification by Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/gpio.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <mach/balloon3.h> + +#include "soc_common.h" + +/* + * These are a list of interrupt sources that provokes a polled + * check of status + */ +static struct pcmcia_irqs irqs[] = { + { 0, BALLOON3_S0_CD_IRQ, "PCMCIA0 CD" }, + { 0, BALLOON3_BP_NSTSCHG_IRQ, "PCMCIA0 STSCHG" }, +}; + +static int balloon3_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + uint16_t ver; + int ret; + static void __iomem *fpga_ver; + + ver = __raw_readw(BALLOON3_FPGA_VER); + if (ver > 0x0201) + pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. " + "PCMCIA/CF support might be broken in this version!", + ver); + + skt->socket.pci_irq = BALLOON3_BP_CF_NRDY_IRQ; + return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); +} + +static void balloon3_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); +} + +static unsigned long balloon3_pcmcia_status[2] = { + BALLOON3_CF_nSTSCHG_BVD1, + BALLOON3_CF_nSTSCHG_BVD1 +}; + +static void balloon3_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + uint16_t status; + int flip; + + /* This actually reads the STATUS register */ + status = __raw_readw(BALLOON3_CF_STATUS_REG); + flip = (status ^ balloon3_pcmcia_status[skt->nr]) + & BALLOON3_CF_nSTSCHG_BVD1; + /* + * Workaround for STSCHG which can't be deasserted: + * We therefore disable/enable corresponding IRQs + * as needed to avoid IRQ locks. + */ + if (flip) { + balloon3_pcmcia_status[skt->nr] = status; + if (status & BALLOON3_CF_nSTSCHG_BVD1) + enable_irq(BALLOON3_BP_NSTSCHG_IRQ); + else + disable_irq(BALLOON3_BP_NSTSCHG_IRQ); + } + + state->detect = !gpio_get_value(BALLOON3_GPIO_S0_CD); + state->ready = !!(status & BALLOON3_CF_nIRQ); + state->bvd1 = !!(status & BALLOON3_CF_nSTSCHG_BVD1); + state->bvd2 = 0; /* not available */ + state->vs_3v = 1; /* Always true its a CF card */ + state->vs_Xv = 0; /* not available */ + state->wrprot = 0; /* not available */ +} + +static int balloon3_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + __raw_writew((state->flags & SS_RESET) ? BALLOON3_CF_RESET : 0, + BALLOON3_CF_CONTROL_REG); + return 0; +} + +static void balloon3_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void balloon3_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level balloon3_pcmcia_ops = { + .owner = THIS_MODULE, + .hw_init = balloon3_pcmcia_hw_init, + .hw_shutdown = balloon3_pcmcia_hw_shutdown, + .socket_state = balloon3_pcmcia_socket_state, + .configure_socket = balloon3_pcmcia_configure_socket, + .socket_init = balloon3_pcmcia_socket_init, + .socket_suspend = balloon3_pcmcia_socket_suspend, + .first = 0, + .nr = 1, +}; + +static struct platform_device *balloon3_pcmcia_device; + +static int __init balloon3_pcmcia_init(void) +{ + int ret; + + balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!balloon3_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(balloon3_pcmcia_device, + &balloon3_pcmcia_ops, sizeof(balloon3_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(balloon3_pcmcia_device); + + if (ret) + platform_device_put(balloon3_pcmcia_device); + + return ret; +} + +static void __exit balloon3_pcmcia_exit(void) +{ + platform_device_unregister(balloon3_pcmcia_device); +} + +module_init(balloon3_pcmcia_init); +module_exit(balloon3_pcmcia_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Nick Bane <nick@cecomputing.co.uk>"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_DESCRIPTION("Balloon3 board CF/PCMCIA driver"); diff --git a/drivers/pcmcia/rsrc_iodyn.c b/drivers/pcmcia/rsrc_iodyn.c index 8510c35d2952..523eb691c30b 100644 --- a/drivers/pcmcia/rsrc_iodyn.c +++ b/drivers/pcmcia/rsrc_iodyn.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index 4e80421fd908..aa628ed0e9f4 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 96f348b35fde..b187555d4388 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -29,7 +29,6 @@ #include <asm/irq.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include "cs_internal.h" diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c index e09851480295..945857f8c284 100644 --- a/drivers/pcmcia/sa1100_generic.c +++ b/drivers/pcmcia/sa1100_generic.c @@ -35,7 +35,6 @@ #include <linux/slab.h> #include <linux/platform_device.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <asm/hardware/scoop.h> diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 6f1a86b43c60..689e3c02edb8 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -627,8 +627,6 @@ void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt) pcmcia_unregister_socket(&skt->socket); - flush_scheduled_work(); - skt->ops->hw_shutdown(skt); soc_common_pcmcia_config_skt(skt, &dead_socket); @@ -720,8 +718,6 @@ int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt) pcmcia_unregister_socket(&skt->socket); out_err_7: - flush_scheduled_work(); - skt->ops->hw_shutdown(skt); out_err_6: list_del(&skt->node); diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h index 3fba3a679128..bbcd5385a221 100644 --- a/drivers/pcmcia/soc_common.h +++ b/drivers/pcmcia/soc_common.h @@ -11,7 +11,6 @@ /* include the world */ #include <linux/cpufreq.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index cb0d3ace18bd..71aeed93037c 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -27,7 +27,6 @@ #include <asm/irq.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c index be0d841c7ebd..310160bffe38 100644 --- a/drivers/pcmcia/tcic.c +++ b/drivers/pcmcia/tcic.c @@ -49,7 +49,6 @@ #include <asm/io.h> #include <asm/system.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include "tcic.h" diff --git a/drivers/pcmcia/vrc4173_cardu.c b/drivers/pcmcia/vrc4173_cardu.c index 9b3c15827e5c..c6d36b3a6ce8 100644 --- a/drivers/pcmcia/vrc4173_cardu.c +++ b/drivers/pcmcia/vrc4173_cardu.c @@ -461,7 +461,7 @@ static int __devinit vrc4173_cardu_probe(struct pci_dev *dev, { vrc4173_socket_t *socket; unsigned long start, len, flags; - int slot, err; + int slot, err, ret; slot = vrc4173_cardu_slots++; socket = &cardu_sockets[slot]; @@ -474,43 +474,63 @@ static int __devinit vrc4173_cardu_probe(struct pci_dev *dev, return err; start = pci_resource_start(dev, 0); - if (start == 0) - return -ENODEV; + if (start == 0) { + ret = -ENODEV; + goto disable; + } len = pci_resource_len(dev, 0); - if (len == 0) - return -ENODEV; + if (len == 0) { + ret = -ENODEV; + goto disable; + } - if (((flags = pci_resource_flags(dev, 0)) & IORESOURCE_MEM) == 0) - return -EBUSY; + flags = pci_resource_flags(dev, 0); + if ((flags & IORESOURCE_MEM) == 0) { + ret = -EBUSY; + goto disable; + } - if ((err = pci_request_regions(dev, socket->name)) < 0) - return err; + err = pci_request_regions(dev, socket->name); + if (err < 0) { + ret = err; + goto disable; + } socket->base = ioremap(start, len); - if (socket->base == NULL) - return -ENODEV; + if (socket->base == NULL) { + ret = -ENODEV; + goto release; + } socket->dev = dev; socket->pcmcia_socket = pcmcia_register_socket(slot, &cardu_operations, 1); if (socket->pcmcia_socket == NULL) { - iounmap(socket->base); - socket->base = NULL; - return -ENOMEM; + ret = -ENOMEM; + goto unmap; } if (request_irq(dev->irq, cardu_interrupt, IRQF_SHARED, socket->name, socket) < 0) { - pcmcia_unregister_socket(socket->pcmcia_socket); - socket->pcmcia_socket = NULL; - iounmap(socket->base); - socket->base = NULL; - return -EBUSY; + ret = -EBUSY; + goto unregister; } printk(KERN_INFO "%s at %#08lx, IRQ %d\n", socket->name, start, dev->irq); return 0; + +unregister: + pcmcia_unregister_socket(socket->pcmcia_socket); + socket->pcmcia_socket = NULL; +unmap: + iounmap(socket->base); + socket->base = NULL; +release: + pci_release_regions(dev); +disable: + pci_disable_device(dev); + return ret; } static int __devinit vrc4173_cardu_setup(char *options) diff --git a/drivers/pcmcia/xxs1500_ss.c b/drivers/pcmcia/xxs1500_ss.c index fa88c360c37a..3b67a1b6a197 100644 --- a/drivers/pcmcia/xxs1500_ss.c +++ b/drivers/pcmcia/xxs1500_ss.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> -#include <pcmcia/cs.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 91a722518289..9dc565c615bd 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <pcmcia/ss.h> -#include <pcmcia/cs.h> #include "yenta_socket.h" #include "i82365.h" |