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Commit ac1689ff authored by Russell King's avatar Russell King
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[ARM] SA11x0 PCMCIA 1 

Make SA11x0 generic pcmcia implementation fit better with Dominik's
work - pass around our socket structure rather than the socket number
itself.  Reference socket operations using the socket structure
rather than a static variable.
parent e61ed9f5
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Showing with 78 additions and 75 deletions
drivers/pcmcia/sa1100.h
View file @ ac1689ff
......@@ -150,6 +150,7 @@ static inline unsigned int sa1100_pcmcia_cmd_time(unsigned int cpu_clock_khz,
*/
#define SA1100_PCMCIA_POLL_PERIOD (2*HZ)
struct pcmcia_low_level;
/* This structure encapsulates per-socket state which we might need to
* use when responding to a Card Services query of some kind.
......@@ -158,6 +159,7 @@ struct sa1100_pcmcia_socket {
/*
* Core PCMCIA state
*/
int nr;
socket_state_t cs_state;
pccard_io_map io_map[MAX_IO_WIN];
pccard_mem_map pc_mem_map[MAX_WIN];
......@@ -173,6 +175,7 @@ struct sa1100_pcmcia_socket {
* Info from low level handler
*/
unsigned int irq;
struct pcmcia_low_level *ops;
};
......
drivers/pcmcia/sa1100_generic.c
View file @ ac1689ff
......@@ -110,51 +110,47 @@ sa1100_pcmcia_default_mecr_timing(unsigned int sock, unsigned int cpu_speed,
* Call board specific BS value calculation to allow boards
* to tweak the BS values.
*/
static int sa1100_pcmcia_set_mecr(int sock, unsigned int cpu_clock)
static int
sa1100_pcmcia_set_mecr(struct sa1100_pcmcia_socket *skt, unsigned int cpu_clock)
{
struct sa1100_pcmcia_socket *skt;
u32 mecr;
unsigned long flags;
unsigned int bs;
if (sock < 0 || sock > SA1100_PCMCIA_MAX_SOCK)
return -1;
skt = PCMCIA_SOCKET(sock);
local_irq_save(flags);
bs = pcmcia_low_level->socket_get_timing(sock, cpu_clock, skt->speed_io);
bs = skt->ops->socket_get_timing(skt->nr, cpu_clock, skt->speed_io);
mecr = MECR;
MECR_FAST_SET(mecr, sock, 0);
MECR_BSIO_SET(mecr, sock, bs );
MECR_BSA_SET(mecr, sock, bs );
MECR_BSM_SET(mecr, sock, bs );
MECR_FAST_SET(mecr, skt->nr, 0);
MECR_BSIO_SET(mecr, skt->nr, bs );
MECR_BSA_SET(mecr, skt->nr, bs );
MECR_BSM_SET(mecr, skt->nr, bs );
MECR = mecr;
local_irq_restore(flags);
DEBUG(4, "%s(): FAST%u %X BSM%u %X BSA%u %X BSIO%u %X\n",
__FUNCTION__, sock, MECR_FAST_GET(mecr, sock), sock,
MECR_BSM_GET(mecr, sock), sock, MECR_BSA_GET(mecr, sock),
sock, MECR_BSIO_GET(mecr, sock));
DEBUG(4, "%s(): sock %u FAST %X BSM %X BSA %X BSIO %X\n",
__FUNCTION__, skt->nr, MECR_FAST_GET(mecr, skt->nr),
MECR_BSM_GET(mecr, skt->nr), MECR_BSA_GET(mecr, skt->nr),
MECR_BSIO_GET(mecr, skt->nr));
return 0;
}
/*
* sa1100_pcmcia_state_to_config
* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* sa1100_pcmcia_config_skt
* ^^^^^^^^^^^^^^^^^^^^^^^^
*
* Convert PCMCIA socket state to our socket configure structure.
*/
static struct pcmcia_configure
sa1100_pcmcia_state_to_config(unsigned int sock, socket_state_t *state)
static int
sa1100_pcmcia_config_skt(struct sa1100_pcmcia_socket *skt, socket_state_t *state)
{
struct pcmcia_configure conf;
int ret;
conf.sock = sock;
conf.sock = skt->nr;
conf.vcc = state->Vcc;
conf.vpp = state->Vpp;
conf.output = state->flags & SS_OUTPUT_ENA ? 1 : 0;
......@@ -162,7 +158,28 @@ sa1100_pcmcia_state_to_config(unsigned int sock, socket_state_t *state)
conf.reset = state->flags & SS_RESET ? 1 : 0;
conf.irq = state->io_irq != 0;
return conf;
ret = skt->ops->configure_socket(&conf);
if (ret == 0) {
/*
* This really needs a better solution. The IRQ
* may or may not be claimed by the driver.
*/
if (skt->irq_state != 1 && state->io_irq) {
skt->irq_state = 1;
set_irq_type(skt->irq, IRQT_FALLING);
} else if (skt->irq_state == 1 && state->io_irq == 0) {
skt->irq_state = 0;
set_irq_type(skt->irq, IRQT_NOEDGE);
}
skt->cs_state = *state;
}
if (ret < 0)
printk(KERN_ERR "sa1100_pcmcia: unable to configure "
"socket %d\n", skt->nr);
return ret;
}
/* sa1100_pcmcia_sock_init()
......@@ -177,17 +194,12 @@ sa1100_pcmcia_state_to_config(unsigned int sock, socket_state_t *state)
static int sa1100_pcmcia_sock_init(unsigned int sock)
{
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
struct pcmcia_configure conf;
DEBUG(2, "%s(): initializing socket %u\n", __FUNCTION__, sock);
skt->cs_state = dead_socket;
conf = sa1100_pcmcia_state_to_config(sock, &dead_socket);
pcmcia_low_level->configure_socket(&conf);
sa1100_pcmcia_config_skt(skt, &dead_socket);
return pcmcia_low_level->socket_init(sock);
return skt->ops->socket_init(skt->nr);
}
......@@ -203,19 +215,14 @@ static int sa1100_pcmcia_sock_init(unsigned int sock)
static int sa1100_pcmcia_suspend(unsigned int sock)
{
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
struct pcmcia_configure conf;
int ret;
DEBUG(2, "%s(): suspending socket %u\n", __FUNCTION__, sock);
conf = sa1100_pcmcia_state_to_config(sock, &dead_socket);
DEBUG(2, "%s(): suspending socket %u\n", __FUNCTION__, skt->nr);
ret = pcmcia_low_level->configure_socket(&conf);
ret = sa1100_pcmcia_config_skt(skt, &dead_socket);
if (ret == 0) {
skt->cs_state = dead_socket;
ret = pcmcia_low_level->socket_suspend(sock);
}
if (ret == 0)
ret = skt->ops->socket_suspend(skt->nr);
return ret;
}
......@@ -427,7 +434,7 @@ sa1100_pcmcia_inquire_socket(unsigned int sock, socket_cap_t *cap)
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
int ret = -1;
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, skt->nr);
if (sock < sa1100_pcmcia_socket_count) {
cap->features = SS_CAP_PAGE_REGS | SS_CAP_STATIC_MAP | SS_CAP_PCCARD;
......@@ -467,7 +474,7 @@ sa1100_pcmcia_get_status(unsigned int sock, unsigned int *status)
struct pcmcia_state_array state_array;
unsigned int stat;
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, skt->nr);
state_array.size = sa1100_pcmcia_socket_count;
state_array.state = state;
......@@ -530,7 +537,7 @@ sa1100_pcmcia_get_socket(unsigned int sock, socket_state_t *state)
{
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, skt->nr);
*state = skt->cs_state;
......@@ -551,9 +558,8 @@ static int
sa1100_pcmcia_set_socket(unsigned int sock, socket_state_t *state)
{
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
struct pcmcia_configure conf;
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, skt->nr);
DEBUG(3, "\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\n",
(state->csc_mask==0)?"<NONE>":"",
......@@ -571,16 +577,7 @@ sa1100_pcmcia_set_socket(unsigned int sock, socket_state_t *state)
DEBUG(3, "\tVcc %d Vpp %d irq %d\n",
state->Vcc, state->Vpp, state->io_irq);
conf = sa1100_pcmcia_state_to_config(sock, state);
if (pcmcia_low_level->configure_socket(&conf) < 0) {
printk(KERN_ERR "sa1100_pcmcia: unable to configure socket %d\n", sock);
return -1;
}
skt->cs_state = *state;
return 0;
return sa1100_pcmcia_config_skt(skt, state);
} /* sa1100_pcmcia_set_socket() */
......@@ -623,7 +620,7 @@ sa1100_pcmcia_set_io_map(unsigned int sock, struct pccard_io_map *map)
{
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, skt->nr);
DEBUG(3, "\tmap %u speed %u\n\tstart 0x%08x stop 0x%08x\n",
map->map, map->speed, map->start, map->stop);
......@@ -647,7 +644,7 @@ sa1100_pcmcia_set_io_map(unsigned int sock, struct pccard_io_map *map)
if ( map->speed == 0)
map->speed = SA1100_PCMCIA_IO_ACCESS;
sa1100_pcmcia_set_mecr(sock, cpufreq_get(0));
sa1100_pcmcia_set_mecr(skt, cpufreq_get(0));
}
if (map->stop == 1)
......@@ -704,7 +701,7 @@ sa1100_pcmcia_set_mem_map(unsigned int sock, struct pccard_mem_map *map)
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
unsigned long start;
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, sock);
DEBUG(2, "%s() for sock %u\n", __FUNCTION__, skt->nr);
DEBUG(3, "\tmap %u speed %u sys_start %08lx sys_stop %08lx card_start %08x\n",
map->map, map->speed, map->sys_start, map->sys_stop, map->card_start);
......@@ -736,7 +733,7 @@ sa1100_pcmcia_set_mem_map(unsigned int sock, struct pccard_mem_map *map)
map->speed = SA1100_PCMCIA_5V_MEM_ACCESS;
}
sa1100_pcmcia_set_mecr(sock, cpufreq_get(0));
sa1100_pcmcia_set_mecr(skt, cpufreq_get(0));
}
......@@ -767,9 +764,8 @@ static int
sa1100_pcmcia_proc_status(char *buf, char **start, off_t pos,
int count, int *eof, void *data)
{
unsigned int sock = (unsigned int)data;
struct sa1100_pcmcia_socket *skt = data;
unsigned int clock = cpufreq_get(0);
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
unsigned long mecr = MECR;
char *p = buf;
......@@ -815,13 +811,13 @@ sa1100_pcmcia_proc_status(char *buf, char **start, off_t pos,
p+=sprintf(p, "IRQ : %d\n", skt->cs_state.io_irq);
p+=sprintf(p, "I/O : %u (%u)\n", skt->speed_io,
sa1100_pcmcia_cmd_time(clock, MECR_BSIO_GET(mecr, sock)));
sa1100_pcmcia_cmd_time(clock, MECR_BSIO_GET(mecr, skt->nr)));
p+=sprintf(p, "attribute: %u (%u)\n", skt->speed_attr,
sa1100_pcmcia_cmd_time(clock, MECR_BSA_GET(mecr, sock)));
sa1100_pcmcia_cmd_time(clock, MECR_BSA_GET(mecr, skt->nr)));
p+=sprintf(p, "common : %u (%u)\n", skt->speed_mem,
sa1100_pcmcia_cmd_time(clock, MECR_BSM_GET(mecr, sock)));
sa1100_pcmcia_cmd_time(clock, MECR_BSM_GET(mecr, skt->nr)));
return p-buf;
}
......@@ -846,7 +842,7 @@ sa1100_pcmcia_proc_setup(unsigned int sock, struct proc_dir_entry *base)
}
entry->read_proc = sa1100_pcmcia_proc_status;
entry->data = (void *)sock;
entry->data = PCMCIA_SOCKET(sock);
}
#endif /* defined(CONFIG_PROC_FS) */
......@@ -881,8 +877,10 @@ static void sa1100_pcmcia_update_mecr(unsigned int clock)
{
unsigned int sock;
for (sock = 0; sock < SA1100_PCMCIA_MAX_SOCK; ++sock)
sa1100_pcmcia_set_mecr(sock, clock);
for (sock = 0; sock < SA1100_PCMCIA_MAX_SOCK; ++sock) {
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(sock);
sa1100_pcmcia_set_mecr(skt, clock);
}
}
/* sa1100_pcmcia_notifier()
......@@ -956,8 +954,8 @@ int sa1100_register_pcmcia(struct pcmcia_low_level *ops)
* set default MECR calculation if the board specific
* code did not specify one...
*/
if (!pcmcia_low_level->socket_get_timing)
pcmcia_low_level->socket_get_timing = sa1100_pcmcia_default_mecr_timing;
if (!ops->socket_get_timing)
ops->socket_get_timing = sa1100_pcmcia_default_mecr_timing;
pcmcia_init.handler = sa1100_pcmcia_interrupt;
ret = ops->init(&pcmcia_init);
......@@ -1002,6 +1000,8 @@ int sa1100_register_pcmcia(struct pcmcia_low_level *ops)
if (ret < 0)
printk(KERN_ERR "Unable to get IRQ for socket %u (%d)\n", i, ret);
skt->nr = i;
skt->ops = ops;
skt->irq = irq_info.irq;
skt->k_state = state[i];
skt->speed_io = SA1100_PCMCIA_IO_ACCESS;
......@@ -1016,7 +1016,7 @@ int sa1100_register_pcmcia(struct pcmcia_low_level *ops)
goto out_err;
}
sa1100_pcmcia_set_mecr(i, cpu_clock);
sa1100_pcmcia_set_mecr(skt, cpu_clock);
}
......
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