diff options
author | Arnd Bergmann <arnd@arndb.de> | 2020-05-28 22:57:40 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2022-04-19 21:34:05 +0200 |
commit | b83deaa741558babf4b8d51d34f6637ccfff1b26 (patch) | |
tree | 6d938863f8314383f9363461256530cb25879737 /include/pcmcia/soc_common.h | |
parent | 2548e6c76ebfae09f25f941ae172535cc918c906 (diff) | |
download | linux-b83deaa741558babf4b8d51d34f6637ccfff1b26.tar.bz2 |
ARM: pxa: move pcmcia board data into mach-pxa
The drivers/pcmcia/pxa2xx_*.c are essentially part of the
board files, but for historic reasons located in drivers/pcmcia.
Move them into the same place as the actual board file to avoid
lots of machine header inclusions.
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/pcmcia/soc_common.h')
-rw-r--r-- | include/pcmcia/soc_common.h | 125 |
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 000000000000..26f1473a06c5 --- /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_mem; + struct resource res_attr; + void __iomem *virt_io; + + 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 +}; + + + |