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acrn-kernel/arch/arm/mach-msm/smd_private.h

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/* arch/arm/mach-msm/smd_private.h
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2007 QUALCOMM Incorporated
*
* 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 _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
#define _ARCH_ARM_MACH_MSM_MSM_SMD_PRIVATE_H_
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/io.h>
#include <mach/msm_iomap.h>
struct smem_heap_info {
unsigned initialized;
unsigned free_offset;
unsigned heap_remaining;
unsigned reserved;
};
struct smem_heap_entry {
unsigned allocated;
unsigned offset;
unsigned size;
unsigned reserved;
};
struct smem_proc_comm {
unsigned command;
unsigned status;
unsigned data1;
unsigned data2;
};
#define PC_APPS 0
#define PC_MODEM 1
#define VERSION_SMD 0
#define VERSION_QDSP6 4
#define VERSION_APPS_SBL 6
#define VERSION_MODEM_SBL 7
#define VERSION_APPS 8
#define VERSION_MODEM 9
struct smem_shared {
struct smem_proc_comm proc_comm[4];
unsigned version[32];
struct smem_heap_info heap_info;
struct smem_heap_entry heap_toc[512];
};
#define SMSM_V1_SIZE (sizeof(unsigned) * 8)
#define SMSM_V2_SIZE (sizeof(unsigned) * 4)
#ifdef CONFIG_MSM_SMD_PKG3
struct smsm_interrupt_info {
uint32_t interrupt_mask;
uint32_t pending_interrupts;
uint32_t wakeup_reason;
};
#else
#define DEM_MAX_PORT_NAME_LEN (20)
struct msm_dem_slave_data {
uint32_t sleep_time;
uint32_t interrupt_mask;
uint32_t resources_used;
uint32_t reserved1;
uint32_t wakeup_reason;
uint32_t pending_interrupts;
uint32_t rpc_prog;
uint32_t rpc_proc;
char smd_port_name[DEM_MAX_PORT_NAME_LEN];
uint32_t reserved2;
};
#endif
#define SZ_DIAG_ERR_MSG 0xC8
#define ID_DIAG_ERR_MSG SMEM_DIAG_ERR_MESSAGE
#define ID_SMD_CHANNELS SMEM_SMD_BASE_ID
#define ID_SHARED_STATE SMEM_SMSM_SHARED_STATE
#define ID_CH_ALLOC_TBL SMEM_CHANNEL_ALLOC_TBL
#define SMSM_INIT 0x00000001
#define SMSM_SMDINIT 0x00000008
#define SMSM_RPCINIT 0x00000020
#define SMSM_RESET 0x00000040
#define SMSM_RSA 0x00000080
#define SMSM_RUN 0x00000100
#define SMSM_PWRC 0x00000200
#define SMSM_TIMEWAIT 0x00000400
#define SMSM_TIMEINIT 0x00000800
#define SMSM_PWRC_EARLY_EXIT 0x00001000
#define SMSM_WFPI 0x00002000
#define SMSM_SLEEP 0x00004000
#define SMSM_SLEEPEXIT 0x00008000
#define SMSM_APPS_REBOOT 0x00020000
#define SMSM_SYSTEM_POWER_DOWN 0x00040000
#define SMSM_SYSTEM_REBOOT 0x00080000
#define SMSM_SYSTEM_DOWNLOAD 0x00100000
#define SMSM_PWRC_SUSPEND 0x00200000
#define SMSM_APPS_SHUTDOWN 0x00400000
#define SMSM_SMD_LOOPBACK 0x00800000
#define SMSM_RUN_QUIET 0x01000000
#define SMSM_MODEM_WAIT 0x02000000
#define SMSM_MODEM_BREAK 0x04000000
#define SMSM_MODEM_CONTINUE 0x08000000
#define SMSM_UNKNOWN 0x80000000
#define SMSM_WKUP_REASON_RPC 0x00000001
#define SMSM_WKUP_REASON_INT 0x00000002
#define SMSM_WKUP_REASON_GPIO 0x00000004
#define SMSM_WKUP_REASON_TIMER 0x00000008
#define SMSM_WKUP_REASON_ALARM 0x00000010
#define SMSM_WKUP_REASON_RESET 0x00000020
#ifdef CONFIG_ARCH_MSM7X00A
enum smsm_state_item {
SMSM_STATE_APPS = 1,
SMSM_STATE_MODEM = 3,
SMSM_STATE_COUNT,
};
#else
enum smsm_state_item {
SMSM_STATE_APPS,
SMSM_STATE_MODEM,
SMSM_STATE_HEXAGON,
SMSM_STATE_APPS_DEM,
SMSM_STATE_MODEM_DEM,
SMSM_STATE_QDSP6_DEM,
SMSM_STATE_POWER_MASTER_DEM,
SMSM_STATE_TIME_MASTER_DEM,
SMSM_STATE_COUNT,
};
#endif
void *smem_alloc(unsigned id, unsigned size);
int smsm_change_state(enum smsm_state_item item, uint32_t clear_mask, uint32_t set_mask);
uint32_t smsm_get_state(enum smsm_state_item item);
int smsm_set_sleep_duration(uint32_t delay);
void smsm_print_sleep_info(void);
#define SMEM_NUM_SMD_CHANNELS 64
typedef 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,
/* 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_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_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_CHANNELS,
SMEM_SMD_BLOCK_PORT_PROC1_HEAP = SMEM_SMD_BLOCK_PORT_PROC0_HEAP + SMEM_NUM_SMD_CHANNELS,
SMEM_I2C_MUTEX = SMEM_SMD_BLOCK_PORT_PROC1_HEAP + SMEM_NUM_SMD_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_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_NUM_ITEMS,
} smem_mem_type;
#define SMD_SS_CLOSED 0x00000000
#define SMD_SS_OPENING 0x00000001
#define SMD_SS_OPENED 0x00000002
#define SMD_SS_FLUSHING 0x00000003
#define SMD_SS_CLOSING 0x00000004
#define SMD_SS_RESET 0x00000005
#define SMD_SS_RESET_OPENING 0x00000006
#define SMD_BUF_SIZE 8192
#define SMD_CHANNELS 64
#define SMD_HEADER_SIZE 20
struct smd_alloc_elm {
char name[20];
uint32_t cid;
uint32_t ctype;
uint32_t ref_count;
};
struct smd_half_channel {
unsigned state;
unsigned char fDSR;
unsigned char fCTS;
unsigned char fCD;
unsigned char fRI;
unsigned char fHEAD;
unsigned char fTAIL;
unsigned char fSTATE;
unsigned char fUNUSED;
unsigned tail;
unsigned head;
} __attribute__(( aligned(4), packed ));
/* Only used on SMD package v3 on msm7201a */
struct smd_shared_v1 {
struct smd_half_channel ch0;
unsigned char data0[SMD_BUF_SIZE];
struct smd_half_channel ch1;
unsigned char data1[SMD_BUF_SIZE];
};
/* Used on SMD package v4 */
struct smd_shared_v2 {
struct smd_half_channel ch0;
struct smd_half_channel ch1;
};
struct smd_channel {
volatile struct smd_half_channel *send;
volatile struct smd_half_channel *recv;
unsigned char *send_data;
unsigned char *recv_data;
unsigned fifo_mask;
unsigned fifo_size;
unsigned current_packet;
unsigned n;
struct list_head ch_list;
void *priv;
void (*notify)(void *priv, unsigned flags);
int (*read)(struct smd_channel *ch, void *data, int len);
int (*write)(struct smd_channel *ch, const void *data, int len);
int (*read_avail)(struct smd_channel *ch);
int (*write_avail)(struct smd_channel *ch);
void (*update_state)(struct smd_channel *ch);
unsigned last_state;
void (*notify_other_cpu)(void);
unsigned type;
char name[32];
struct platform_device pdev;
};
#define SMD_TYPE_MASK 0x0FF
#define SMD_TYPE_APPS_MODEM 0x000
#define SMD_TYPE_APPS_DSP 0x001
#define SMD_TYPE_MODEM_DSP 0x002
#define SMD_KIND_MASK 0xF00
#define SMD_KIND_UNKNOWN 0x000
#define SMD_KIND_STREAM 0x100
#define SMD_KIND_PACKET 0x200
extern struct list_head smd_ch_closed_list;
extern struct list_head smd_ch_list_modem;
extern struct list_head smd_ch_list_dsp;
extern spinlock_t smd_lock;
extern spinlock_t smem_lock;
void *smem_find(unsigned id, unsigned size);
void *smem_item(unsigned id, unsigned *size);
uint32_t raw_smsm_get_state(enum smsm_state_item item);
extern void msm_init_last_radio_log(struct module *);
#ifdef CONFIG_MSM_SMD_PKG3
/*
* This allocator assumes an SMD Package v3 which only exists on
* MSM7x00 SoC's.
*/
static inline int _smd_alloc_channel(struct smd_channel *ch)
{
struct smd_shared_v1 *shared1;
shared1 = smem_alloc(ID_SMD_CHANNELS + ch->n, sizeof(*shared1));
if (!shared1) {
pr_err("smd_alloc_channel() cid %d does not exist\n", ch->n);
return -1;
}
ch->send = &shared1->ch0;
ch->recv = &shared1->ch1;
ch->send_data = shared1->data0;
ch->recv_data = shared1->data1;
ch->fifo_size = SMD_BUF_SIZE;
return 0;
}
#else
/*
* This allocator assumes an SMD Package v4, the most common
* and the default.
*/
static inline int _smd_alloc_channel(struct smd_channel *ch)
{
struct smd_shared_v2 *shared2;
void *buffer;
unsigned buffer_sz;
shared2 = smem_alloc(SMEM_SMD_BASE_ID + ch->n, sizeof(*shared2));
buffer = smem_item(SMEM_SMD_FIFO_BASE_ID + ch->n, &buffer_sz);
if (!buffer)
return -1;
/* buffer must be a power-of-two size */
if (buffer_sz & (buffer_sz - 1))
return -1;
buffer_sz /= 2;
ch->send = &shared2->ch0;
ch->recv = &shared2->ch1;
ch->send_data = buffer;
ch->recv_data = buffer + buffer_sz;
ch->fifo_size = buffer_sz;
return 0;
}
#endif /* CONFIG_MSM_SMD_PKG3 */
#if defined(CONFIG_ARCH_MSM7X30)
static inline void msm_a2m_int(uint32_t irq)
{
writel(1 << irq, MSM_GCC_BASE + 0x8);
}
#else
static inline void msm_a2m_int(uint32_t irq)
{
writel(1, MSM_CSR_BASE + 0x400 + (irq * 4));
}
#endif /* CONFIG_ARCH_MSM7X30 */
#endif
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