[RFC] [PATCH 2/7] pcmcia: use pcmcia_loop_config in pata and ide drivers
Dominik Brodowski
linux at dominikbrodowski.net
Tue Jul 29 03:17:33 EDT 2008
Use the config loop helper in pata_pcmcia and ide_cs
CC: Tejun Heo <htejun at gmail.com>
CC: Alan Cox <alan at lxorguk.ukuu.org.uk>
CC: linux-ide at vger.kernel.org
Signed-off-by: Dominik Brodowski <linux at dominikbrodowski.net>
---
drivers/ata/pata_pcmcia.c | 171 ++++++++++++++++++++-----------------------
drivers/ide/legacy/ide-cs.c | 156 +++++++++++++++++++--------------------
2 files changed, 155 insertions(+), 172 deletions(-)
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index 41b4361..8cccd1b 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -148,6 +148,69 @@ static struct ata_port_operations pcmcia_8bit_port_ops = {
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+struct pcmcia_config_check {
+ config_info_t conf;
+ cistpl_cftable_entry_t dflt;
+ unsigned long ctl_base;
+ int skip_vcc;
+ int is_kme;
+};
+
+static int pcmcia_check_one_config(struct pcmcia_device *pdev,
+ cistpl_cftable_entry_t *cfg,
+ void *priv_data)
+{
+ struct pcmcia_config_check *stk = priv_data;
+
+ /* Check for matching Vcc, unless we're desperate */
+ if (!stk->skip_vcc) {
+ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
+ goto next_entry;
+ } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
+ goto next_entry;
+ }
+ }
+
+ if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
+ pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
+ pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
+
+ if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
+ pdev->conf.ConfigIndex = cfg->index;
+ pdev->io.BasePort1 = io->win[0].base;
+ pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
+ if (!(io->flags & CISTPL_IO_16BIT))
+ pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ if (io->nwin == 2) {
+ pdev->io.NumPorts1 = 8;
+ pdev->io.BasePort2 = io->win[1].base;
+ pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1;
+ if (pcmcia_request_io(pdev, &pdev->io) != 0)
+ goto next_entry;
+ stk->ctl_base = pdev->io.BasePort2;
+ } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
+ pdev->io.NumPorts1 = io->win[0].len;
+ pdev->io.NumPorts2 = 0;
+ if (pcmcia_request_io(pdev, &pdev->io) != 0)
+ goto next_entry;
+ stk->ctl_base = pdev->io.BasePort1 + 0x0e;
+ } else
+ goto next_entry;
+ /* If we've got this far, we're done */
+ return 0;
+ }
+next_entry:
+ if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+ memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
+
+ return -ENODEV;
+}
+
/**
* pcmcia_init_one - attach a PCMCIA interface
* @pdev: pcmcia device
@@ -161,19 +224,11 @@ static int pcmcia_init_one(struct pcmcia_device *pdev)
struct ata_host *host;
struct ata_port *ap;
struct ata_pcmcia_info *info;
- tuple_t tuple;
- struct {
- unsigned short buf[128];
- cisparse_t parse;
- config_info_t conf;
- cistpl_cftable_entry_t dflt;
- } *stk = NULL;
- cistpl_cftable_entry_t *cfg;
- int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p;
+ struct pcmcia_config_check *stk = NULL;
+ int last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p;
unsigned long io_base, ctl_base;
void __iomem *io_addr, *ctl_addr;
int n_ports = 1;
-
struct ata_port_operations *ops = &pcmcia_port_ops;
info = kzalloc(sizeof(*info), GFP_KERNEL);
@@ -193,96 +248,30 @@ static int pcmcia_init_one(struct pcmcia_device *pdev)
pdev->conf.Attributes = CONF_ENABLE_IRQ;
pdev->conf.IntType = INT_MEMORY_AND_IO;
- /* Allocate resoure probing structures */
-
- stk = kzalloc(sizeof(*stk), GFP_KERNEL);
- if (!stk)
- goto out1;
-
- cfg = &stk->parse.cftable_entry;
-
- /* Tuples we are walking */
- tuple.TupleData = (cisdata_t *)&stk->buf;
- tuple.TupleOffset = 0;
- tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
-
/* See if we have a manufacturer identifier. Use it to set is_kme for
vendor quirks */
is_kme = ((pdev->manf_id == MANFID_KME) &&
((pdev->card_id == PRODID_KME_KXLC005_A) ||
(pdev->card_id == PRODID_KME_KXLC005_B)));
- /* Not sure if this is right... look up the current Vcc */
- CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf));
-/* link->conf.Vcc = stk->conf.Vcc; */
-
- pass = io_base = ctl_base = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- tuple.Attributes = 0;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
+ /* Allocate resoure probing structures */
- /* Now munch the resources looking for a suitable set */
- while (1) {
- if (pcmcia_get_tuple_data(pdev, &tuple) != 0)
- goto next_entry;
- if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0)
- goto next_entry;
- /* Check for matching Vcc, unless we're desperate */
- if (!pass) {
- if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
- goto next_entry;
- } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
- goto next_entry;
- }
- }
+ stk = kzalloc(sizeof(*stk), GFP_KERNEL);
+ if (!stk)
+ goto out1;
+ stk->is_kme = is_kme;
- if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
- pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
- else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
- pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
-
- if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
- pdev->conf.ConfigIndex = cfg->index;
- pdev->io.BasePort1 = io->win[0].base;
- pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
- if (!(io->flags & CISTPL_IO_16BIT))
- pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- if (io->nwin == 2) {
- pdev->io.NumPorts1 = 8;
- pdev->io.BasePort2 = io->win[1].base;
- pdev->io.NumPorts2 = (is_kme) ? 2 : 1;
- if (pcmcia_request_io(pdev, &pdev->io) != 0)
- goto next_entry;
- io_base = pdev->io.BasePort1;
- ctl_base = pdev->io.BasePort2;
- } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
- pdev->io.NumPorts1 = io->win[0].len;
- pdev->io.NumPorts2 = 0;
- if (pcmcia_request_io(pdev, &pdev->io) != 0)
- goto next_entry;
- io_base = pdev->io.BasePort1;
- ctl_base = pdev->io.BasePort1 + 0x0e;
- } else
- goto next_entry;
- /* If we've got this far, we're done */
- break;
- }
-next_entry:
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
- memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
- if (pass) {
- CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));
- } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) {
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
- memset(&stk->dflt, 0, sizeof(stk->dflt));
- pass++;
- }
+ /* Not sure if this is right... look up the current Vcc */
+ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf));
+ stk->skip_vcc = io_base = ctl_base = 0;
+ if (pcmcia_loop_config(pdev, pcmcia_check_one_config, stk)) {
+ memset(&stk->dflt, 0, sizeof(stk->dflt));
+ stk->skip_vcc = 1;
+ if (pcmcia_loop_config(pdev, pcmcia_check_one_config, stk))
+ goto failed; /* No suitable config found */
}
-
+ io_base = pdev->io.BasePort1;
+ ctl_base = stk->ctl_base;
CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 27b1e0b..50624b6 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -226,103 +226,97 @@ out_release:
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+struct pcmcia_config_check {
+ config_info_t conf;
+ cistpl_cftable_entry_t dflt;
+ unsigned long ctl_base;
+ int skip_vcc;
+ int is_kme;
+};
+
+static int pcmcia_check_one_config(struct pcmcia_device *pdev,
+ cistpl_cftable_entry_t *cfg,
+ void *priv_data)
+{
+ struct pcmcia_config_check *stk = priv_data;
+
+ /* Check for matching Vcc, unless we're desperate */
+ if (!stk->skip_vcc) {
+ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
+ goto next_entry;
+ } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
+ goto next_entry;
+ }
+ }
+
+ if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
+ pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
+ pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
+
+ if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
+ pdev->conf.ConfigIndex = cfg->index;
+ pdev->io.BasePort1 = io->win[0].base;
+ pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
+ if (!(io->flags & CISTPL_IO_16BIT))
+ pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ if (io->nwin == 2) {
+ pdev->io.NumPorts1 = 8;
+ pdev->io.BasePort2 = io->win[1].base;
+ pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1;
+ if (pcmcia_request_io(pdev, &pdev->io) != 0)
+ goto next_entry;
+ stk->ctl_base = pdev->io.BasePort2;
+ } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
+ pdev->io.NumPorts1 = io->win[0].len;
+ pdev->io.NumPorts2 = 0;
+ if (pcmcia_request_io(pdev, &pdev->io) != 0)
+ goto next_entry;
+ stk->ctl_base = pdev->io.BasePort1 + 0x0e;
+ } else
+ goto next_entry;
+ /* If we've got this far, we're done */
+ return 0;
+ }
+next_entry:
+ if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+ memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
+
+ return -ENODEV;
+}
+
static int ide_config(struct pcmcia_device *link)
{
ide_info_t *info = link->priv;
- tuple_t tuple;
- struct {
- u_short buf[128];
- cisparse_t parse;
- config_info_t conf;
- cistpl_cftable_entry_t dflt;
- } *stk = NULL;
- cistpl_cftable_entry_t *cfg;
- int pass, last_ret = 0, last_fn = 0, is_kme = 0;
+ struct pcmcia_config_check *stk = NULL;
+ int last_ret = 0, last_fn = 0, is_kme = 0;
unsigned long io_base, ctl_base;
ide_hwif_t *hwif;
DEBUG(0, "ide_config(0x%p)\n", link);
- stk = kzalloc(sizeof(*stk), GFP_KERNEL);
- if (!stk) goto err_mem;
- cfg = &stk->parse.cftable_entry;
-
- tuple.TupleData = (cisdata_t *)&stk->buf;
- tuple.TupleOffset = 0;
- tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
-
is_kme = ((link->manf_id == MANFID_KME) &&
((link->card_id == PRODID_KME_KXLC005_A) ||
(link->card_id == PRODID_KME_KXLC005_B)));
+ stk = kzalloc(sizeof(*stk), GFP_KERNEL);
+ if (!stk) goto err_mem;
+ stk->is_kme = is_kme;
+
/* Not sure if this is right... look up the current Vcc */
CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));
-
- pass = io_base = ctl_base = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- tuple.Attributes = 0;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
- while (1) {
- if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry;
- if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry;
-
- /* Check for matching Vcc, unless we're desperate */
- if (!pass) {
- if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
- goto next_entry;
- } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
- goto next_entry;
- }
- }
-
- if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp =
- cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
- else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp =
- stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
-
- if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
- link->conf.ConfigIndex = cfg->index;
- link->io.BasePort1 = io->win[0].base;
- link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
- if (!(io->flags & CISTPL_IO_16BIT))
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- if (io->nwin == 2) {
- link->io.NumPorts1 = 8;
- link->io.BasePort2 = io->win[1].base;
- link->io.NumPorts2 = (is_kme) ? 2 : 1;
- if (pcmcia_request_io(link, &link->io) != 0)
- goto next_entry;
- io_base = link->io.BasePort1;
- ctl_base = link->io.BasePort2;
- } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
- link->io.NumPorts1 = io->win[0].len;
- link->io.NumPorts2 = 0;
- if (pcmcia_request_io(link, &link->io) != 0)
- goto next_entry;
- io_base = link->io.BasePort1;
- ctl_base = link->io.BasePort1 + 0x0e;
- } else goto next_entry;
- /* If we've got this far, we're done */
- break;
- }
-
- next_entry:
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
- memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
- if (pass) {
- CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
- } else if (pcmcia_get_next_tuple(link, &tuple) != 0) {
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
+ stk->skip_vcc = io_base = ctl_base = 0;
+ if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) {
memset(&stk->dflt, 0, sizeof(stk->dflt));
- pass++;
- }
+ stk->skip_vcc = 1;
+ if (pcmcia_loop_config(link, pcmcia_check_one_config, stk))
+ goto failed; /* No suitable config found */
}
+ io_base = link->io.BasePort1;
+ ctl_base = stk->ctl_base;
CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
--
1.5.4.3
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