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/config.h>
9 #include <linux/module.h>
10 #include <linux/kernel.h>
11 #include <linux/ioport.h>
12 #include <linux/device.h>
13 #include <linux/interrupt.h>
14 #include <linux/init.h>
16 #include <pcmcia/ss.h>
18 #include <asm/hardware.h>
19 #include <asm/hardware/sa1111.h>
23 #include "sa1111_generic.h"
25 static struct pcmcia_irqs irqs[] = {
26 { 0, IRQ_S0_CD_VALID, "SA1111 PCMCIA card detect" },
27 { 0, IRQ_S0_BVD1_STSCHG, "SA1111 PCMCIA BVD1" },
28 { 1, IRQ_S1_CD_VALID, "SA1111 CF card detect" },
29 { 1, IRQ_S1_BVD1_STSCHG, "SA1111 CF BVD1" },
32 int sa1111_pcmcia_hw_init(struct sa1100_pcmcia_socket *skt)
34 if (skt->irq == NO_IRQ)
35 skt->irq = skt->nr ? IRQ_S1_READY_NINT : IRQ_S0_READY_NINT;
37 return sa11xx_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
40 void sa1111_pcmcia_hw_shutdown(struct sa1100_pcmcia_socket *skt)
42 sa11xx_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
45 void sa1111_pcmcia_socket_state(struct sa1100_pcmcia_socket *skt, struct pcmcia_state *state)
47 struct sa1111_dev *sadev = SA1111_DEV(skt->dev);
48 unsigned long status = sa1111_readl(sadev->mapbase + SA1111_PCSR);
52 state->detect = status & PCSR_S0_DETECT ? 0 : 1;
53 state->ready = status & PCSR_S0_READY ? 1 : 0;
54 state->bvd1 = status & PCSR_S0_BVD1 ? 1 : 0;
55 state->bvd2 = status & PCSR_S0_BVD2 ? 1 : 0;
56 state->wrprot = status & PCSR_S0_WP ? 1 : 0;
57 state->vs_3v = status & PCSR_S0_VS1 ? 0 : 1;
58 state->vs_Xv = status & PCSR_S0_VS2 ? 0 : 1;
62 state->detect = status & PCSR_S1_DETECT ? 0 : 1;
63 state->ready = status & PCSR_S1_READY ? 1 : 0;
64 state->bvd1 = status & PCSR_S1_BVD1 ? 1 : 0;
65 state->bvd2 = status & PCSR_S1_BVD2 ? 1 : 0;
66 state->wrprot = status & PCSR_S1_WP ? 1 : 0;
67 state->vs_3v = status & PCSR_S1_VS1 ? 0 : 1;
68 state->vs_Xv = status & PCSR_S1_VS2 ? 0 : 1;
73 int sa1111_pcmcia_configure_socket(struct sa1100_pcmcia_socket *skt, const socket_state_t *state)
75 struct sa1111_dev *sadev = SA1111_DEV(skt->dev);
76 unsigned int pccr_skt_mask, pccr_set_mask, val;
81 pccr_skt_mask = PCCR_S0_RST|PCCR_S0_FLT|PCCR_S0_PWAITEN|PCCR_S0_PSE;
85 pccr_skt_mask = PCCR_S1_RST|PCCR_S1_FLT|PCCR_S1_PWAITEN|PCCR_S1_PSE;
95 pccr_set_mask |= PCCR_S0_PWAITEN|PCCR_S1_PWAITEN;
97 pccr_set_mask |= PCCR_S0_PSE|PCCR_S1_PSE;
98 if (state->flags & SS_RESET)
99 pccr_set_mask |= PCCR_S0_RST|PCCR_S1_RST;
100 if (state->flags & SS_OUTPUT_ENA)
101 pccr_set_mask |= PCCR_S0_FLT|PCCR_S1_FLT;
103 local_irq_save(flags);
104 val = sa1111_readl(sadev->mapbase + SA1111_PCCR);
105 val &= ~pccr_skt_mask;
106 val |= pccr_set_mask & pccr_skt_mask;
107 sa1111_writel(val, sadev->mapbase + SA1111_PCCR);
108 local_irq_restore(flags);
113 void sa1111_pcmcia_socket_init(struct sa1100_pcmcia_socket *skt)
115 sa11xx_enable_irqs(skt, irqs, ARRAY_SIZE(irqs));
118 void sa1111_pcmcia_socket_suspend(struct sa1100_pcmcia_socket *skt)
120 sa11xx_disable_irqs(skt, irqs, ARRAY_SIZE(irqs));
123 static int pcmcia_probe(struct sa1111_dev *dev)
127 if (!request_mem_region(dev->res.start, 512,
128 SA1111_DRIVER_NAME(dev)))
134 * Initialise the suspend state.
136 sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + SA1111_PCSSR);
137 sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + SA1111_PCCR);
139 #ifdef CONFIG_SA1100_ADSBITSY
140 pcmcia_adsbitsy_init(&dev->dev);
142 #ifdef CONFIG_SA1100_BADGE4
143 pcmcia_badge4_init(&dev->dev);
145 #ifdef CONFIG_SA1100_GRAPHICSMASTER
146 pcmcia_graphicsmaster_init(&dev->dev);
148 #ifdef CONFIG_SA1100_JORNADA720
149 pcmcia_jornada720_init(&dev->dev);
151 #ifdef CONFIG_ASSABET_NEPONSET
152 pcmcia_neponset_init(dev);
154 #ifdef CONFIG_SA1100_PFS168
155 pcmcia_pfs_init(&dev->dev);
157 #ifdef CONFIG_SA1100_PT_SYSTEM3
158 pcmcia_system3_init(&dev->dev);
160 #ifdef CONFIG_SA1100_XP860
161 pcmcia_xp860_init(&dev->dev);
166 static int __devexit pcmcia_remove(struct sa1111_dev *dev)
168 sa11xx_drv_pcmcia_remove(&dev->dev);
169 release_mem_region(dev->res.start, 512);
173 static int pcmcia_suspend(struct sa1111_dev *dev, u32 state)
175 return pcmcia_socket_dev_suspend(&dev->dev, state);
178 static int pcmcia_resume(struct sa1111_dev *dev)
180 return pcmcia_socket_dev_resume(&dev->dev);
183 static struct sa1111_driver pcmcia_driver = {
185 .name = "sa1111-pcmcia",
187 .devid = SA1111_DEVID_PCMCIA,
188 .probe = pcmcia_probe,
189 .remove = __devexit_p(pcmcia_remove),
190 .suspend = pcmcia_suspend,
191 .resume = pcmcia_resume,
194 static int __init sa1111_drv_pcmcia_init(void)
196 return sa1111_driver_register(&pcmcia_driver);
199 static void __exit sa1111_drv_pcmcia_exit(void)
201 sa1111_driver_unregister(&pcmcia_driver);
204 module_init(sa1111_drv_pcmcia_init);
205 module_exit(sa1111_drv_pcmcia_exit);
207 MODULE_DESCRIPTION("SA1111 PCMCIA card socket driver");
208 MODULE_LICENSE("GPL");