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-rw-r--r--include/pcmcia/soc_common.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/include/pcmcia/soc_common.h b/include/pcmcia/soc_common.h
new file mode 100644
index 000000000..d4f18f467
--- /dev/null
+++ b/include/pcmcia/soc_common.h
@@ -0,0 +1,125 @@
+/* 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
+};
+
+
+