diff options
Diffstat (limited to 'drivers/misc/modem_if_u1/modem_link_device_dpram.h')
| -rw-r--r-- | drivers/misc/modem_if_u1/modem_link_device_dpram.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/drivers/misc/modem_if_u1/modem_link_device_dpram.h b/drivers/misc/modem_if_u1/modem_link_device_dpram.h new file mode 100644 index 0000000..1f986c9 --- /dev/null +++ b/drivers/misc/modem_if_u1/modem_link_device_dpram.h @@ -0,0 +1,253 @@ +/* + * 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_LINK_DEVICE_DPRAM_H__ +#define __MODEM_LINK_DEVICE_DPRAM_H__ + +#include "modem_link_device_memory.h" + +/* + magic_code + + access_enable + + fmt_tx_head + fmt_tx_tail + fmt_tx_buff + + raw_tx_head + raw_tx_tail + raw_tx_buff + + fmt_rx_head + fmt_rx_tail + fmt_rx_buff + + raw_rx_head + raw_rx_tail + raw_rx_buff + + mbx_cp2ap + + mbx_ap2cp + = 2 + + 2 + + 2 + 2 + 1336 + + 2 + 2 + 4564 + + 2 + 2 + 1336 + + 2 + 2 + 9124 + + 2 + + 2 + = 16384 +*/ +#define DP_16K_FMT_TX_BUFF_SZ 1336 +#define DP_16K_RAW_TX_BUFF_SZ 4564 +#define DP_16K_FMT_RX_BUFF_SZ 1336 +#define DP_16K_RAW_RX_BUFF_SZ 9124 + +struct dpram_ipc_16k_map { + u16 magic; + u16 access; + + u16 fmt_tx_head; + u16 fmt_tx_tail; + u8 fmt_tx_buff[DP_16K_FMT_TX_BUFF_SZ]; + + u16 raw_tx_head; + u16 raw_tx_tail; + u8 raw_tx_buff[DP_16K_RAW_TX_BUFF_SZ]; + + u16 fmt_rx_head; + u16 fmt_rx_tail; + u8 fmt_rx_buff[DP_16K_FMT_RX_BUFF_SZ]; + + u16 raw_rx_head; + u16 raw_rx_tail; + u8 raw_rx_buff[DP_16K_RAW_RX_BUFF_SZ]; + + u16 mbx_cp2ap; + u16 mbx_ap2cp; +}; + +struct dpram_sfr { + u16 __iomem *int2cp; + u16 __iomem *int2ap; + u16 __iomem *clr_int2ap; + u16 __iomem *reset; + u16 __iomem *msg2cp; + u16 __iomem *msg2ap; +}; + +struct dpram_ext_op; + +struct dpram_link_device { + struct link_device ld; + + /* DPRAM address and size */ + enum dpram_type type; /* DPRAM type */ + u8 __iomem *base; /* Virtual address of DPRAM */ + u32 size; /* DPRAM size */ + + /* Whether or not this DPRAM can go asleep */ + bool need_wake_up; + + /* Whether or not this DPRAM needs interrupt clearing */ + bool need_intr_clear; + + /* DPRAM SFR */ + u8 __iomem *sfr_base; /* Virtual address of SFR */ + struct dpram_sfr sfr; + + /* DPRAM IRQ GPIO# */ + unsigned gpio_dpram_int; + + /* DPRAM IRQ from CP */ + int irq; + unsigned long irq_flags; + char irq_name[MIF_MAX_NAME_LEN]; + + /* Link to DPRAM control functions dependent on each platform */ + struct modemlink_dpram_control *dpctl; + + /* Physical configuration -> logical configuration */ + union { + struct dpram_boot_map bt_map; + struct qc_dpram_boot_map qc_bt_map; + }; + + struct dpram_dload_map dl_map; + struct dpram_uload_map ul_map; + + /* IPC device map */ + struct dpram_ipc_map ipc_map; + + /* Pointers (aliases) to IPC device map */ + u16 __iomem *magic; + u16 __iomem *access; + struct dpram_ipc_device *dev[MAX_IPC_DEV]; + u16 __iomem *mbx2ap; + u16 __iomem *mbx2cp; + + /* Wakelock for DPRAM device */ + struct wake_lock wlock; + char wlock_name[MIF_MAX_NAME_LEN]; + + /* For booting */ + unsigned boot_start_complete; + struct completion dpram_init_cmd; + struct completion modem_pif_init_done; + + /* For UDL */ + struct tasklet_struct ul_tsk; + struct tasklet_struct dl_tsk; + struct completion udl_start_complete; + struct completion udl_cmd_complete; + struct dpram_udl_check udl_check; + struct dpram_udl_param udl_param; + + /* For CP crash dump */ + struct timer_list crash_ack_timer; + struct completion crash_start_complete; + struct completion crash_recv_done; + struct timer_list crash_timer; + int crash_rcvd; /* Count of CP crash dump packets received */ + + /* For locking TX process */ + spinlock_t tx_lock[MAX_IPC_DEV]; + + /* For TX under DPRAM flow control */ + struct completion req_ack_cmpl[MAX_IPC_DEV]; + + /* For efficient RX process */ + struct tasklet_struct rx_tsk; + struct mif_rxb_queue rxbq[MAX_IPC_DEV]; + struct io_device *iod[MAX_IPC_DEV]; + bool rx_with_skb; + + /* For retransmission after buffer full state */ + atomic_t res_required[MAX_IPC_DEV]; + + /* For wake-up/sleep control */ + atomic_t accessing; + + /* Multi-purpose miscellaneous buffer */ + u8 *buff; + + /* DPRAM IPC initialization status */ + int init_status; + + /* Alias to device-specific IOCTL function */ + int (*ext_ioctl)(struct dpram_link_device *dpld, struct io_device *iod, + unsigned int cmd, unsigned long arg); + + /* Alias to DPRAM IRQ handler */ + irqreturn_t (*irq_handler)(int irq, void *data); + + /* For DPRAM dump */ + void (*dpram_dump)(struct link_device *ld, char *buff); +#ifndef CONFIG_SAMSUNG_PRODUCT_SHIP + char dump_path[MIF_MAX_PATH_LEN]; + char trace_path[MIF_MAX_PATH_LEN]; + struct trace_queue dump_list; + struct trace_queue trace_list; + struct delayed_work dump_dwork; + struct delayed_work trace_dwork; +#endif + + /* Common operations for each DPRAM */ + u16 (*recv_intr)(struct dpram_link_device *dpld); + void (*send_intr)(struct dpram_link_device *dpld, u16 mask); + u16 (*get_magic)(struct dpram_link_device *dpld); + void (*set_magic)(struct dpram_link_device *dpld, u16 value); + u16 (*get_access)(struct dpram_link_device *dpld); + void (*set_access)(struct dpram_link_device *dpld, u16 value); + u32 (*get_tx_head)(struct dpram_link_device *dpld, int id); + u32 (*get_tx_tail)(struct dpram_link_device *dpld, int id); + void (*set_tx_head)(struct dpram_link_device *dpld, int id, u32 head); + void (*set_tx_tail)(struct dpram_link_device *dpld, int id, u32 tail); + u8 *(*get_tx_buff)(struct dpram_link_device *dpld, int id); + u32 (*get_tx_buff_size)(struct dpram_link_device *dpld, int id); + u32 (*get_rx_head)(struct dpram_link_device *dpld, int id); + u32 (*get_rx_tail)(struct dpram_link_device *dpld, int id); + void (*set_rx_head)(struct dpram_link_device *dpld, int id, u32 head); + void (*set_rx_tail)(struct dpram_link_device *dpld, int id, u32 tail); + u8 *(*get_rx_buff)(struct dpram_link_device *dpld, int id); + u32 (*get_rx_buff_size)(struct dpram_link_device *dpld, int id); + u16 (*get_mask_req_ack)(struct dpram_link_device *dpld, int id); + u16 (*get_mask_res_ack)(struct dpram_link_device *dpld, int id); + u16 (*get_mask_send)(struct dpram_link_device *dpld, int id); + void (*ipc_rx_handler)(struct dpram_link_device *dpld, u16 int2ap); + + /* Extended operations for various modems */ + struct dpram_ext_op *ext_op; +}; + +/* converts from struct link_device* to struct xxx_link_device* */ +#define to_dpram_link_device(linkdev) \ + container_of(linkdev, struct dpram_link_device, ld) + +struct dpram_ext_op { + int exist; + + void (*init_boot_map)(struct dpram_link_device *dpld); + void (*init_dl_map)(struct dpram_link_device *dpld); + void (*init_ul_map)(struct dpram_link_device *dpld); + void (*init_ipc_map)(struct dpram_link_device *dpld); + + int (*download_binary)(struct dpram_link_device *dpld, + struct sk_buff *skb); + + void (*cp_start_handler)(struct dpram_link_device *dpld); + + void (*crash_log)(struct dpram_link_device *dpld); + int (*dump_start)(struct dpram_link_device *dpld); + int (*dump_update)(struct dpram_link_device *dpld, void *arg); + + int (*ioctl)(struct dpram_link_device *dpld, struct io_device *iod, + unsigned int cmd, unsigned long arg); + + irqreturn_t (*irq_handler)(int irq, void *data); + void (*clear_intr)(struct dpram_link_device *dpld); + + int (*wakeup)(struct dpram_link_device *dpld); + void (*sleep)(struct dpram_link_device *dpld); +}; + +struct dpram_ext_op *dpram_get_ext_op(enum modem_t modem); + +#endif |