diff options
Diffstat (limited to 'drivers/misc/modem_if_na/modem_link_device_dpram.h')
| -rw-r--r-- | drivers/misc/modem_if_na/modem_link_device_dpram.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/drivers/misc/modem_if_na/modem_link_device_dpram.h b/drivers/misc/modem_if_na/modem_link_device_dpram.h new file mode 100644 index 0000000..aaa8e82 --- /dev/null +++ b/drivers/misc/modem_if_na/modem_link_device_dpram.h @@ -0,0 +1,165 @@ +/* + * Copyright (C) 2011 Google, Inc. + * 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. + * + */ +#include <linux/wakelock.h> + +#ifndef __MODEM_LINK_DEVICE_DPRAM_H__ +#define __MODEM_LINK_DEVICE_DPRAM_H__ + +#define FMT_IDX 0 +#define RAW_IDX 1 +#define MAX_IDX 2 +#define DP_FMT_OUT_BUFF_SIZE 2044 +#define DP_RAW_OUT_BUFF_SIZE 6128 +#define DP_FMT_IN_BUFF_SIZE 2044 +#define DP_RAW_IN_BUFF_SIZE 6128 +struct dpram_circ { + u16 head; + u16 tail; +}; + +struct dpram_ota_header { + u8 start_index; + u16 nframes; + u16 curframe; + u16 len; + +} __packed; + +struct dpram_map { + u16 magic; + u16 enable; + + struct dpram_circ fmt_out; + u8 fmt_out_buff[DP_FMT_OUT_BUFF_SIZE]; + + struct dpram_circ raw_out; + u8 raw_out_buff[DP_RAW_OUT_BUFF_SIZE]; + + struct dpram_circ fmt_in; + u8 fmt_in_buff[DP_FMT_IN_BUFF_SIZE]; + + struct dpram_circ raw_in; + u8 raw_in_buff[DP_RAW_IN_BUFF_SIZE]; + + u8 padding[16]; +#ifdef CONFIG_INTERNAL_MODEM_IF + u16 mbx_ap2cp; + u16 mbx_cp2ap; +#else + u16 mbx_cp2ap; + u16 mbx_ap2cp; +#endif +} __packed; + +struct dpram_device { + struct dpram_circ __iomem *in; + u8 __iomem *in_buff_addr; + int in_buff_size; + + struct dpram_circ __iomem *out; + u8 __iomem *out_buff_addr; + int out_buff_size; + + u16 mask_req_ack; + u16 mask_res_ack; + u16 mask_send; +}; + +struct ul_header { +#ifdef CONFIG_INTERNAL_MODEM_IF + u16 bop; + u16 total_frame; + u16 curr_frame; + u16 len; +#else + u8 bop; + u16 total_frame; + u16 curr_frame; + u16 len; +#endif +}; + +#ifdef CONFIG_INTERNAL_MODEM_IF +enum idpram_link_pm_states { + IDPRAM_PM_SUSPEND_PREPARE, + IDPRAM_PM_DPRAM_POWER_DOWN, + IDPRAM_PM_SUSPEND_START, + IDPRAM_PM_RESUME_START, + IDPRAM_PM_ACTIVE, +}; + +struct idpram_link_pm_data { + struct dpram_link_device *dpld; + struct modem_data *mdata; + + unsigned last_pm_mailbox; /* 0xCC or 0x CA*/ + unsigned resume_retry; + unsigned pm_states; + + int idpram_wpend; + + struct completion idpram_down; + + struct delayed_work resume_work; + + atomic_t read_lock; + atomic_t write_lock; + + struct wake_lock host_wakeup_wlock; + struct wake_lock rd_wlock; + struct wake_lock hold_wlock; + struct wake_lock wakeup_wlock; +}; +#endif + + +struct dpram_link_device { + struct link_device ld; + + /* maybe -list of io devices for the link device to use + * to find where to send incoming packets to */ + struct list_head list_of_io_devices; + + atomic_t raw_txq_req_ack_rcvd; + atomic_t fmt_txq_req_ack_rcvd; + + struct dpram_map __iomem *dpram; + struct dpram_device dev_map[MAX_IDX]; + + struct wake_lock dpram_wake_lock; + + struct completion dpram_init_cmd; + struct completion modem_pif_init_done; + struct completion gota_download_start_complete; + struct completion gota_send_done; + struct completion gota_update_done; + struct completion dump_receive_done; + + int irq; +#ifdef CONFIG_INTERNAL_MODEM_IF + void (*clear_interrupt)(void); + int (*board_ota_reset) (void); + struct idpram_link_pm_data *link_pm_data; + int (*init_magic_num)(struct dpram_link_device *dpld); +#else + void (*clear_interrupt)(struct dpram_link_device *); +#endif +}; + +/* converts from struct link_device* to struct xxx_link_device* */ +#define to_dpram_link_device(linkdev) \ + container_of(linkdev, struct dpram_link_device, ld) + +#endif |