diff options
Diffstat (limited to 'drivers/misc/modem_if/modem.h')
| -rw-r--r-- | drivers/misc/modem_if/modem.h | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/drivers/misc/modem_if/modem.h b/drivers/misc/modem_if/modem.h new file mode 100644 index 0000000..bc4433e --- /dev/null +++ b/drivers/misc/modem_if/modem.h @@ -0,0 +1,435 @@ +/* + * Copyright (C) 2010 Samsung Electronics. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __MODEM_IF_H__ +#define __MODEM_IF_H__ + +#include <linux/platform_device.h> +#include <linux/miscdevice.h> + +enum modem_t { + IMC_XMM6260, + IMC_XMM6262, + VIA_CBP71, + VIA_CBP72, + VIA_CBP82, + SEC_CMC220, + SEC_CMC221, + SEC_SS222, + QC_MDM6600, + QC_ESC6270, + QC_QSC6085, + SPRD_SC8803, + DUMMY, + MAX_MODEM_TYPE +}; + +enum dev_format { + IPC_FMT, + IPC_RAW, + IPC_RFS, + IPC_MULTI_RAW, + IPC_CMD, + IPC_BOOT, + IPC_RAMDUMP, + IPC_DEBUG, + MAX_DEV_FORMAT, +}; +#define MAX_IPC_DEV (IPC_RFS + 1) /* FMT, RAW, RFS */ +#define MAX_SIPC5_DEV (IPC_RAW + 1) /* FMT, RAW */ + +enum modem_io { + IODEV_MISC, + IODEV_NET, + IODEV_DUMMY, +}; + +enum modem_link { + LINKDEV_UNDEFINED, + LINKDEV_MIPI, + LINKDEV_USB, + LINKDEV_HSIC, + LINKDEV_DPRAM, + LINKDEV_PLD, + LINKDEV_C2C, + LINKDEV_SHMEM, + LINKDEV_SPI, + LINKDEV_MAX +}; +#define LINKTYPE(modem_link) (1u << (modem_link)) + +enum modem_network { + UMTS_NETWORK, + CDMA_NETWORK, + TDSCDMA_NETWORK, + LTE_NETWORK, + MAX_MODEM_NETWORK +}; + +enum ap_type { + S5P, + MAX_AP_TYPE +}; + +enum sipc_ver { + NO_SIPC_VER = 0, + SIPC_VER_40 = 40, + SIPC_VER_41 = 41, + SIPC_VER_42 = 42, + SIPC_VER_50 = 50, + MAX_SIPC_VER +}; + +/** + * struct modem_io_t - declaration for io_device + * @name: device name + * @id: for SIPC4, contains format & channel information + * (id & 11100000b)>>5 = format (eg, 0=FMT, 1=RAW, 2=RFS) + * (id & 00011111b) = channel (valid only if format is RAW) + * for SIPC5, contains only 8-bit channel ID + * @format: device format + * @io_type: type of this io_device + * @links: list of link_devices to use this io_device + * for example, if you want to use DPRAM and USB in an io_device. + * .links = LINKTYPE(LINKDEV_DPRAM) | LINKTYPE(LINKDEV_USB) + * @tx_link: when you use 2+ link_devices, set the link for TX. + * If define multiple link_devices in @links, + * you can receive data from them. But, cannot send data to all. + * TX is only one link_device. + * @app: the name of the application that will use this IO device + * + * This structure is used in board-*-modems.c + */ +struct modem_io_t { + char *name; + int id; + enum dev_format format; + enum modem_io io_type; + enum modem_link links; + enum modem_link tx_link; + char *app; +}; + +struct modemlink_pm_data { + char *name; + /* link power contol 2 types : pin & regulator control */ + int (*link_ldo_enable)(bool); + unsigned gpio_link_enable; + unsigned gpio_link_active; + unsigned gpio_link_hostwake; + unsigned gpio_link_slavewake; + int (*link_reconnect)(void); + + /* usb hub only */ + int (*port_enable)(int, int); + int (*hub_standby)(void *); + void *hub_pm_data; + bool has_usbhub; + +#ifdef CONFIG_EXYNOS4_CPUFREQ + /* cpu/bus frequency lock */ + atomic_t freqlock; + atomic_t freq_dpramlock; + int (*freq_lock)(struct device *dev); + int (*freq_unlock)(struct device *dev); + unsigned gpio_cpufreq_lock; +#endif + + int autosuspend_delay_ms; /* if zero, the default value is used */ + void (*ehci_reg_dump)(struct device *); +}; + +struct modemlink_pm_link_activectl { + int gpio_initialized; + int gpio_request_host_active; +}; + +#define RES_DPRAM_MEM_ID 0 +#define RES_DPRAM_SFR_ID 1 + +#define STR_DPRAM_BASE "dpram_base" +#define STR_DPRAM_SFR_BASE "dpram_sfr_base" + +enum dpram_type { + EXT_DPRAM, + AP_IDPRAM, + CP_IDPRAM, + PLD_DPRAM, + MAX_DPRAM_TYPE +}; + +#define DPRAM_SIZE_8KB (8 << 10) +#define DPRAM_SIZE_16KB (16 << 10) +#define DPRAM_SIZE_32KB (32 << 10) +#define DPRAM_SIZE_64KB (64 << 10) +#define DPRAM_SIZE_128KB (128 << 10) + +enum dpram_speed { + DPRAM_SPEED_LOW, + DPRAM_SPEED_MID, + DPRAM_SPEED_HIGH, + MAX_DPRAM_SPEED +}; + +struct dpram_circ { + u16 __iomem *head; + u16 __iomem *tail; + u8 __iomem *buff; + u32 size; +}; + +struct dpram_ipc_device { + char name[16]; + int id; + + struct dpram_circ txq; + struct dpram_circ rxq; + + u16 mask_req_ack; + u16 mask_res_ack; + u16 mask_send; +}; + +struct dpram_ipc_map { + u16 __iomem *magic; + u16 __iomem *access; + + struct dpram_ipc_device dev[MAX_IPC_DEV]; + + u16 __iomem *mbx_cp2ap; + u16 __iomem *mbx_ap2cp; +}; + +struct pld_ipc_map { + u16 __iomem *mbx_ap2cp; + u16 __iomem *magic_ap2cp; + u16 __iomem *access_ap2cp; + + u16 __iomem *mbx_cp2ap; + u16 __iomem *magic_cp2ap; + u16 __iomem *access_cp2ap; + + struct dpram_ipc_device dev[MAX_IPC_DEV]; + + u16 __iomem *address_buffer; +}; + +struct modemlink_dpram_data { + enum dpram_type type; /* DPRAM type */ + enum ap_type ap; /* AP type for AP_IDPRAM */ + + /* Stirct I/O access (e.g. ioread16(), etc.) is required */ + bool strict_io_access; + + /* Aligned access is required */ + int aligned; + + /* Disabled during phone booting */ + bool disabled; + + /* Virtual base address and size */ + u8 __iomem *base; + u32 size; + + /* Pointer to an IPC map (DPRAM or PLD) */ + void *ipc_map; + + /* Timeout of waiting for RES_ACK from CP (in msec) */ + unsigned long res_ack_wait_timeout; + + unsigned boot_size_offset; + unsigned boot_tag_offset; + unsigned boot_count_offset; + unsigned max_boot_frame_size; + + void (*setup_speed)(enum dpram_speed); + void (*clear_int2ap)(void); +}; + +enum shmem_type { + REAL_SHMEM, + C2C_SHMEM, + MAX_SHMEM_TYPE +}; + +#define STR_SHMEM_BASE "shmem_base" + +#define SHMEM_SIZE_1MB (1 << 20) /* 1 MB */ +#define SHMEM_SIZE_2MB (2 << 20) /* 2 MB */ +#define SHMEM_SIZE_4MB (4 << 20) /* 4 MB */ + +/* platform data */ +struct modem_data { + char *name; + + unsigned gpio_cp_on; + unsigned gpio_cp_off; + unsigned gpio_reset_req_n; + unsigned gpio_cp_reset; + + /* for broadcasting AP's PM state (active or sleep) */ + unsigned gpio_pda_active; + + /* for checking aliveness of CP */ + unsigned gpio_phone_active; + int irq_phone_active; + + /* for AP-CP IPC interrupt */ + unsigned gpio_ipc_int2ap; + int irq_ipc_int2ap; + unsigned long irqf_ipc_int2ap; /* IRQ flags */ + unsigned gpio_ipc_int2cp; + + /* for AP-CP power management (PM) handshaking */ + unsigned gpio_ap_wakeup; + int irq_ap_wakeup; + unsigned gpio_ap_status; + unsigned gpio_cp_wakeup; + unsigned gpio_cp_status; + int irq_cp_status; + + /* for USB/HSIC PM */ + unsigned gpio_host_wakeup; + int irq_host_wakeup; + unsigned gpio_host_active; + unsigned gpio_slave_wakeup; + unsigned gpio_hub_suspend; + + unsigned gpio_cp_dump_int; + unsigned gpio_ap_dump_int; + unsigned gpio_flm_uart_sel; + unsigned gpio_cp_warm_reset; +#if defined(CONFIG_MACH_M0_CTC) + unsigned gpio_flm_uart_sel_rev06; +#endif + + unsigned gpio_sim_detect; + int irq_sim_detect; + +#ifdef CONFIG_LINK_DEVICE_PLD + unsigned gpio_fpga1_creset; + unsigned gpio_fpga1_cdone; + unsigned gpio_fpga1_rst_n; + unsigned gpio_fpga1_cs_n; + + unsigned gpio_fpga2_creset; + unsigned gpio_fpga2_cdone; + unsigned gpio_fpga2_rst_n; + unsigned gpio_fpga2_cs_n; +#endif + +#ifdef CONFIG_MACH_U1_KOR_LGT + unsigned gpio_cp_reset_msm; + unsigned gpio_boot_sw_sel; + void (*vbus_on)(void); + void (*vbus_off)(void); + struct regulator *cp_vbus; +#endif + +#ifdef CONFIG_TDSCDMA_MODEM_SPRD8803 + unsigned gpio_ipc_mrdy; + unsigned gpio_ipc_srdy; + unsigned gpio_ipc_sub_mrdy; + unsigned gpio_ipc_sub_srdy; + unsigned gpio_ap_cp_int1; + unsigned gpio_ap_cp_int2; +#endif + +#ifdef CONFIG_SEC_DUAL_MODEM_MODE + unsigned gpio_sim_io_sel; + unsigned gpio_cp_ctrl1; + unsigned gpio_cp_ctrl2; +#endif + + /* Switch with 2 links in a modem */ + unsigned gpio_link_switch; + +#ifdef CONFIG_EXYNOS4_CPUFREQ + /* cpu/bus frequency lock */ + unsigned gpio_cpufreq_lock; +#endif + + /* Modem component */ + enum modem_network modem_net; + enum modem_t modem_type; + enum modem_link link_types; + char *link_name; + + /* Link to DPRAM control functions dependent on each platform */ + struct modemlink_dpram_data *dpram; + + /* SIPC version */ + enum sipc_ver ipc_version; + + /* the number of real IPC devices -> (IPC_RAW + 1) or (IPC_RFS + 1) */ + int max_ipc_dev; + + /* Information of IO devices */ + unsigned num_iodevs; + struct modem_io_t *iodevs; + + /* Modem link PM support */ + struct modemlink_pm_data *link_pm_data; + + /* Handover with 2+ modems */ + bool use_handover; + + /* SIM Detect polarity */ + bool sim_polarity; + + void (*gpio_revers_bias_clear)(void); + void (*gpio_revers_bias_restore)(void); +}; + +#define MODEM_BOOT_DEV_SPI "modem_boot_spi" + +struct modem_boot_spi_platform_data { + const char *name; + unsigned int gpio_cp_status; +}; + +struct modem_boot_spi { + struct miscdevice dev; + struct spi_device *spi_dev; + struct mutex lock; + unsigned gpio_cp_status; +}; +#define to_modem_boot_spi(misc) container_of(misc, struct modem_boot_spi, dev); + +struct utc_time { + u16 year; + u8 mon:4, + day:4; + u8 hour; + u8 min; + u8 sec; + u16 msec; +} __packed; + +extern void get_utc_time(struct utc_time *utc); + +#define LOG_TAG "mif: " +#define CALLER (__builtin_return_address(0)) + +#define mif_err(fmt, ...) \ + pr_err(LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__) +#define mif_debug(fmt, ...) \ + pr_debug(LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__) +#define mif_info(fmt, ...) \ + pr_info(LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__) +#define mif_trace(fmt, ...) \ + printk(KERN_DEBUG "mif: %s: %d: called(%pF): " fmt, \ + __func__, __LINE__, __builtin_return_address(0), ##__VA_ARGS__) + +#endif |