2 * linux/drivers/pcmcia/sa1111_generic.c
4 * We implement the generic parts of a SA1111 PCMCIA driver. This
5 * basically means we handle everything except controlling the
6 * power. Power is machine specific...
8 #include <linux/module.h>
9 #include <linux/kernel.h>
10 #include <linux/ioport.h>
11 #include <linux/device.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
15 #include <pcmcia/ss.h>
17 #include <asm/arch/hardware.h>
18 #include <asm/hardware/sa1111.h>
22 #include "sa1111_generic.h"
24 static struct pcmcia_irqs irqs
[] = {
25 { 0, IRQ_S0_CD_VALID
, "SA1111 PCMCIA card detect" },
26 { 0, IRQ_S0_BVD1_STSCHG
, "SA1111 PCMCIA BVD1" },
27 { 1, IRQ_S1_CD_VALID
, "SA1111 CF card detect" },
28 { 1, IRQ_S1_BVD1_STSCHG
, "SA1111 CF BVD1" },
31 int sa1111_pcmcia_hw_init(struct soc_pcmcia_socket
*skt
)
33 if (skt
->irq
== NO_IRQ
)
34 skt
->irq
= skt
->nr
? IRQ_S1_READY_NINT
: IRQ_S0_READY_NINT
;
36 return soc_pcmcia_request_irqs(skt
, irqs
, ARRAY_SIZE(irqs
));
39 void sa1111_pcmcia_hw_shutdown(struct soc_pcmcia_socket
*skt
)
41 soc_pcmcia_free_irqs(skt
, irqs
, ARRAY_SIZE(irqs
));
44 void sa1111_pcmcia_socket_state(struct soc_pcmcia_socket
*skt
, struct pcmcia_state
*state
)
46 struct sa1111_dev
*sadev
= SA1111_DEV(skt
->dev
);
47 unsigned long status
= sa1111_readl(sadev
->mapbase
+ SA1111_PCSR
);
51 state
->detect
= status
& PCSR_S0_DETECT
? 0 : 1;
52 state
->ready
= status
& PCSR_S0_READY
? 1 : 0;
53 state
->bvd1
= status
& PCSR_S0_BVD1
? 1 : 0;
54 state
->bvd2
= status
& PCSR_S0_BVD2
? 1 : 0;
55 state
->wrprot
= status
& PCSR_S0_WP
? 1 : 0;
56 state
->vs_3v
= status
& PCSR_S0_VS1
? 0 : 1;
57 state
->vs_Xv
= status
& PCSR_S0_VS2
? 0 : 1;
61 state
->detect
= status
& PCSR_S1_DETECT
? 0 : 1;
62 state
->ready
= status
& PCSR_S1_READY
? 1 : 0;
63 state
->bvd1
= status
& PCSR_S1_BVD1
? 1 : 0;
64 state
->bvd2
= status
& PCSR_S1_BVD2
? 1 : 0;
65 state
->wrprot
= status
& PCSR_S1_WP
? 1 : 0;
66 state
->vs_3v
= status
& PCSR_S1_VS1
? 0 : 1;
67 state
->vs_Xv
= status
& PCSR_S1_VS2
? 0 : 1;
72 int sa1111_pcmcia_configure_socket(struct soc_pcmcia_socket
*skt
, const socket_state_t
*state
)
74 struct sa1111_dev
*sadev
= SA1111_DEV(skt
->dev
);
75 unsigned int pccr_skt_mask
, pccr_set_mask
, val
;
80 pccr_skt_mask
= PCCR_S0_RST
|PCCR_S0_FLT
|PCCR_S0_PWAITEN
|PCCR_S0_PSE
;
84 pccr_skt_mask
= PCCR_S1_RST
|PCCR_S1_FLT
|PCCR_S1_PWAITEN
|PCCR_S1_PSE
;
94 pccr_set_mask
|= PCCR_S0_PWAITEN
|PCCR_S1_PWAITEN
;
96 pccr_set_mask
|= PCCR_S0_PSE
|PCCR_S1_PSE
;
97 if (state
->flags
& SS_RESET
)
98 pccr_set_mask
|= PCCR_S0_RST
|PCCR_S1_RST
;
99 if (state
->flags
& SS_OUTPUT_ENA
)
100 pccr_set_mask
|= PCCR_S0_FLT
|PCCR_S1_FLT
;
102 local_irq_save(flags
);
103 val
= sa1111_readl(sadev
->mapbase
+ SA1111_PCCR
);
104 val
&= ~pccr_skt_mask
;
105 val
|= pccr_set_mask
& pccr_skt_mask
;
106 sa1111_writel(val
, sadev
->mapbase
+ SA1111_PCCR
);
107 local_irq_restore(flags
);
112 void sa1111_pcmcia_socket_init(struct soc_pcmcia_socket
*skt
)
114 soc_pcmcia_enable_irqs(skt
, irqs
, ARRAY_SIZE(irqs
));
117 void sa1111_pcmcia_socket_suspend(struct soc_pcmcia_socket
*skt
)
119 soc_pcmcia_disable_irqs(skt
, irqs
, ARRAY_SIZE(irqs
));
122 static int pcmcia_probe(struct sa1111_dev
*dev
)
126 if (!request_mem_region(dev
->res
.start
, 512,
127 SA1111_DRIVER_NAME(dev
)))
133 * Initialise the suspend state.
135 sa1111_writel(PCSSR_S0_SLEEP
| PCSSR_S1_SLEEP
, base
+ SA1111_PCSSR
);
136 sa1111_writel(PCCR_S0_FLT
| PCCR_S1_FLT
, base
+ SA1111_PCCR
);
138 #ifdef CONFIG_SA1100_BADGE4
139 pcmcia_badge4_init(&dev
->dev
);
141 #ifdef CONFIG_SA1100_JORNADA720
142 pcmcia_jornada720_init(&dev
->dev
);
144 #ifdef CONFIG_ARCH_LUBBOCK
145 pcmcia_lubbock_init(dev
);
147 #ifdef CONFIG_ASSABET_NEPONSET
148 pcmcia_neponset_init(dev
);
153 static int __devexit
pcmcia_remove(struct sa1111_dev
*dev
)
155 soc_common_drv_pcmcia_remove(&dev
->dev
);
156 release_mem_region(dev
->res
.start
, 512);
160 static int pcmcia_suspend(struct sa1111_dev
*dev
, pm_message_t state
)
162 return pcmcia_socket_dev_suspend(&dev
->dev
, state
);
165 static int pcmcia_resume(struct sa1111_dev
*dev
)
167 return pcmcia_socket_dev_resume(&dev
->dev
);
170 static struct sa1111_driver pcmcia_driver
= {
172 .name
= "sa1111-pcmcia",
174 .devid
= SA1111_DEVID_PCMCIA
,
175 .probe
= pcmcia_probe
,
176 .remove
= __devexit_p(pcmcia_remove
),
177 .suspend
= pcmcia_suspend
,
178 .resume
= pcmcia_resume
,
181 static int __init
sa1111_drv_pcmcia_init(void)
183 return sa1111_driver_register(&pcmcia_driver
);
186 static void __exit
sa1111_drv_pcmcia_exit(void)
188 sa1111_driver_unregister(&pcmcia_driver
);
191 fs_initcall(sa1111_drv_pcmcia_init
);
192 module_exit(sa1111_drv_pcmcia_exit
);
194 MODULE_DESCRIPTION("SA1111 PCMCIA card socket driver");
195 MODULE_LICENSE("GPL");