| /* Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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 _ARCH_ARM_MACH_MSM_SMEM_H_ |
| #define _ARCH_ARM_MACH_MSM_SMEM_H_ |
| |
| #include <linux/types.h> |
| |
| enum { |
| SMEM_APPS, |
| SMEM_MODEM, |
| SMEM_Q6, |
| SMEM_DSPS, |
| SMEM_WCNSS, |
| SMEM_MODEM_Q6_FW, |
| SMEM_RPM, |
| NUM_SMEM_SUBSYSTEMS, |
| }; |
| |
| #define SMEM_NUM_SMD_STREAM_CHANNELS 64 |
| #define SMEM_NUM_SMD_BLOCK_CHANNELS 64 |
| |
| enum { |
| /* fixed items */ |
| SMEM_PROC_COMM = 0, |
| SMEM_HEAP_INFO, |
| SMEM_ALLOCATION_TABLE, |
| SMEM_VERSION_INFO, |
| SMEM_HW_RESET_DETECT, |
| SMEM_AARM_WARM_BOOT, |
| SMEM_DIAG_ERR_MESSAGE, |
| SMEM_SPINLOCK_ARRAY, |
| SMEM_MEMORY_BARRIER_LOCATION, |
| SMEM_FIXED_ITEM_LAST = SMEM_MEMORY_BARRIER_LOCATION, |
| |
| /* dynamic items */ |
| SMEM_AARM_PARTITION_TABLE, |
| SMEM_AARM_BAD_BLOCK_TABLE, |
| SMEM_RESERVE_BAD_BLOCKS, |
| SMEM_WM_UUID, |
| SMEM_CHANNEL_ALLOC_TBL, |
| SMEM_SMD_BASE_ID, |
| SMEM_SMEM_LOG_IDX = SMEM_SMD_BASE_ID + SMEM_NUM_SMD_STREAM_CHANNELS, |
| SMEM_SMEM_LOG_EVENTS, |
| SMEM_SMEM_STATIC_LOG_IDX, |
| SMEM_SMEM_STATIC_LOG_EVENTS, |
| SMEM_SMEM_SLOW_CLOCK_SYNC, |
| SMEM_SMEM_SLOW_CLOCK_VALUE, |
| SMEM_BIO_LED_BUF, |
| SMEM_SMSM_SHARED_STATE, |
| SMEM_SMSM_INT_INFO, |
| SMEM_SMSM_SLEEP_DELAY, |
| SMEM_SMSM_LIMIT_SLEEP, |
| SMEM_SLEEP_POWER_COLLAPSE_DISABLED, |
| SMEM_KEYPAD_KEYS_PRESSED, |
| SMEM_KEYPAD_STATE_UPDATED, |
| SMEM_KEYPAD_STATE_IDX, |
| SMEM_GPIO_INT, |
| SMEM_MDDI_LCD_IDX, |
| SMEM_MDDI_HOST_DRIVER_STATE, |
| SMEM_MDDI_LCD_DISP_STATE, |
| SMEM_LCD_CUR_PANEL, |
| SMEM_MARM_BOOT_SEGMENT_INFO, |
| SMEM_AARM_BOOT_SEGMENT_INFO, |
| SMEM_SLEEP_STATIC, |
| SMEM_SCORPION_FREQUENCY, |
| SMEM_SMD_PROFILES, |
| SMEM_TSSC_BUSY, |
| SMEM_HS_SUSPEND_FILTER_INFO, |
| SMEM_BATT_INFO, |
| SMEM_APPS_BOOT_MODE, |
| SMEM_VERSION_FIRST, |
| SMEM_VERSION_SMD = SMEM_VERSION_FIRST, |
| SMEM_VERSION_LAST = SMEM_VERSION_FIRST + 24, |
| SMEM_OSS_RRCASN1_BUF1, |
| SMEM_OSS_RRCASN1_BUF2, |
| SMEM_ID_VENDOR0, |
| SMEM_ID_VENDOR1, |
| SMEM_ID_VENDOR2, |
| SMEM_HW_SW_BUILD_ID, |
| SMEM_SMD_BLOCK_PORT_BASE_ID, |
| SMEM_SMD_BLOCK_PORT_PROC0_HEAP = SMEM_SMD_BLOCK_PORT_BASE_ID + |
| SMEM_NUM_SMD_BLOCK_CHANNELS, |
| SMEM_SMD_BLOCK_PORT_PROC1_HEAP = SMEM_SMD_BLOCK_PORT_PROC0_HEAP + |
| SMEM_NUM_SMD_BLOCK_CHANNELS, |
| SMEM_I2C_MUTEX = SMEM_SMD_BLOCK_PORT_PROC1_HEAP + |
| SMEM_NUM_SMD_BLOCK_CHANNELS, |
| SMEM_SCLK_CONVERSION, |
| SMEM_SMD_SMSM_INTR_MUX, |
| SMEM_SMSM_CPU_INTR_MASK, |
| SMEM_APPS_DEM_SLAVE_DATA, |
| SMEM_QDSP6_DEM_SLAVE_DATA, |
| SMEM_CLKREGIM_BSP, |
| SMEM_CLKREGIM_SOURCES, |
| SMEM_SMD_FIFO_BASE_ID, |
| SMEM_USABLE_RAM_PARTITION_TABLE = SMEM_SMD_FIFO_BASE_ID + |
| SMEM_NUM_SMD_STREAM_CHANNELS, |
| SMEM_POWER_ON_STATUS_INFO, |
| SMEM_DAL_AREA, |
| SMEM_SMEM_LOG_POWER_IDX, |
| SMEM_SMEM_LOG_POWER_WRAP, |
| SMEM_SMEM_LOG_POWER_EVENTS, |
| SMEM_ERR_CRASH_LOG, |
| SMEM_ERR_F3_TRACE_LOG, |
| SMEM_SMD_BRIDGE_ALLOC_TABLE, |
| SMEM_SMDLITE_TABLE, |
| SMEM_SD_IMG_UPGRADE_STATUS, |
| SMEM_SEFS_INFO, |
| SMEM_RESET_LOG, |
| SMEM_RESET_LOG_SYMBOLS, |
| SMEM_MODEM_SW_BUILD_ID, |
| SMEM_SMEM_LOG_MPROC_WRAP, |
| SMEM_BOOT_INFO_FOR_APPS, |
| SMEM_SMSM_SIZE_INFO, |
| SMEM_SMD_LOOPBACK_REGISTER, |
| SMEM_SSR_REASON_MSS0, |
| SMEM_SSR_REASON_WCNSS0, |
| SMEM_SSR_REASON_LPASS0, |
| SMEM_SSR_REASON_DSPS0, |
| SMEM_SSR_REASON_VCODEC0, |
| SMEM_SMP2P_APPS_BASE = 427, |
| SMEM_SMP2P_MODEM_BASE = SMEM_SMP2P_APPS_BASE + 8, /* 435 */ |
| SMEM_SMP2P_AUDIO_BASE = SMEM_SMP2P_MODEM_BASE + 8, /* 443 */ |
| SMEM_SMP2P_WIRLESS_BASE = SMEM_SMP2P_AUDIO_BASE + 8, /* 451 */ |
| SMEM_SMP2P_POWER_BASE = SMEM_SMP2P_WIRLESS_BASE + 8, /* 459 */ |
| SMEM_FLASH_DEVICE_INFO = SMEM_SMP2P_POWER_BASE + 8, /* 467 */ |
| SMEM_BAM_PIPE_MEMORY, /* 468 */ |
| SMEM_IMAGE_VERSION_TABLE, /* 469 */ |
| SMEM_LC_DEBUGGER, /* 470 */ |
| SMEM_FLASH_NAND_DEV_INFO, /* 471 */ |
| SMEM_NUM_ITEMS, |
| }; |
| |
| #ifdef CONFIG_MSM_SMD |
| void *smem_alloc(unsigned id, unsigned size); |
| void *smem_alloc2(unsigned id, unsigned size_in); |
| void *smem_get_entry(unsigned id, unsigned *size); |
| void *smem_find(unsigned id, unsigned size); |
| |
| /** |
| * smem_get_entry_no_rlock - Get existing item without using remote spinlock |
| * |
| * @id: ID of SMEM item |
| * @size_out: Pointer to size variable for storing the result |
| * @returns: Pointer to SMEM item or NULL if it doesn't exist |
| * |
| * This function does not lock the remote spinlock and should only be used in |
| * failure-recover cases such as retrieving the subsystem failure reason during |
| * subsystem restart. |
| */ |
| void *smem_get_entry_no_rlock(unsigned id, unsigned *size_out); |
| |
| /** |
| * smem_virt_to_phys() - Convert SMEM address to physical address. |
| * |
| * @smem_address: Virtual address returned by smem_alloc()/smem_alloc2() |
| * @returns: Physical address (or NULL if there is a failure) |
| * |
| * This function should only be used if an SMEM item needs to be handed |
| * off to a DMA engine. |
| */ |
| phys_addr_t smem_virt_to_phys(void *smem_address); |
| |
| /** |
| * SMEM initialization function that registers for a SMEM platform driver. |
| * |
| * @returns: success on successful driver registration. |
| */ |
| int __init msm_smem_init(void); |
| |
| #else |
| static inline void *smem_alloc(unsigned id, unsigned size) |
| { |
| return NULL; |
| } |
| static inline void *smem_alloc2(unsigned id, unsigned size_in) |
| { |
| return NULL; |
| } |
| static inline void *smem_get_entry(unsigned id, unsigned *size) |
| { |
| return NULL; |
| } |
| static inline void *smem_find(unsigned id, unsigned size) |
| { |
| return NULL; |
| } |
| void *smem_get_entry_no_rlock(unsigned id, unsigned *size_out) |
| { |
| return NULL; |
| } |
| static inline phys_addr_t smem_virt_to_phys(void *smem_address) |
| { |
| return (phys_addr_t) NULL; |
| } |
| static int __init msm_smem_init(void) |
| { |
| return 0; |
| } |
| #endif /* CONFIG_MSM_SMD */ |
| #endif /* _ARCH_ARM_MACH_MSM_SMEM_H_ */ |