/* SPDX-License-Identifier: GPL-2.0 */
#include <pcmcia/ss.h>
struct module;
struct cpufreq_freqs;
struct soc_pcmcia_regulator {
struct regulator *reg;
bool on;
};
struct pcmcia_state {
unsigned detect: 1 ,
ready: 1 ,
bvd1: 1 ,
bvd2: 1 ,
wrprot: 1 ,
vs_3v: 1 ,
vs_Xv: 1 ;
};
/*
* This structure encapsulates per - socket state which we might need to
* use when responding to a Card Services query of some kind .
*/
struct soc_pcmcia_socket {
struct pcmcia_socket socket;
/*
* Info from low level handler
*/
unsigned int nr;
struct clk *clk;
/*
* Core PCMCIA state
*/
const struct pcmcia_low_level *ops;
unsigned int status;
socket_state_t cs_state;
unsigned short spd_io[MAX_IO_WIN];
unsigned short spd_mem[MAX_WIN];
unsigned short spd_attr[MAX_WIN];
struct resource res_skt;
struct resource res_io;
struct resource res_io_io;
struct resource res_mem;
struct resource res_attr;
struct {
int gpio;
struct gpio_desc *desc;
unsigned int irq;
const char *name;
} stat[6 ];
#define SOC_STAT_CD 0 /* Card detect */
#define SOC_STAT_BVD1 1 /* BATDEAD / IOSTSCHG */
#define SOC_STAT_BVD2 2 /* BATWARN / IOSPKR */
#define SOC_STAT_RDY 3 /* Ready / Interrupt */
#define SOC_STAT_VS1 4 /* Voltage sense 1 */
#define SOC_STAT_VS2 5 /* Voltage sense 2 */
struct gpio_desc *gpio_reset;
struct gpio_desc *gpio_bus_enable;
struct soc_pcmcia_regulator vcc;
struct soc_pcmcia_regulator vpp;
unsigned int irq_state;
#ifdef CONFIG_CPU_FREQ
struct notifier_block cpufreq_nb;
#endif
struct timer_list poll_timer;
struct list_head node;
void *driver_data;
};
struct pcmcia_low_level {
struct module *owner;
/* first socket in system */
int first;
/* nr of sockets */
int nr;
int (*hw_init)(struct soc_pcmcia_socket *);
void (*hw_shutdown)(struct soc_pcmcia_socket *);
void (*socket_state)(struct soc_pcmcia_socket *, struct pcmcia_state *);
int (*configure_socket)(struct soc_pcmcia_socket *, const socket_state_t *);
/*
* Enable card status IRQs on ( re - ) initialisation . This can
* be called at initialisation , power management event , or
* pcmcia event .
*/
void (*socket_init)(struct soc_pcmcia_socket *);
/*
* Disable card status IRQs and PCMCIA bus on suspend .
*/
void (*socket_suspend)(struct soc_pcmcia_socket *);
/*
* Hardware specific timing routines .
* If provided , the get_timing routine overrides the SOC default .
*/
unsigned int (*get_timing)(struct soc_pcmcia_socket *, unsigned int , unsigned int );
int (*set_timing)(struct soc_pcmcia_socket *);
int (*show_timing)(struct soc_pcmcia_socket *, char *);
#ifdef CONFIG_CPU_FREQ
/*
* CPUFREQ support .
*/
int (*frequency_change)(struct soc_pcmcia_socket *, unsigned long , struct cpufreq_freqs *);
#endif
};
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(vorverarbeitet am 2026-09-29)
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