--- /dev/null
+/* 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
projects / linux-2.6-block.git / blobdiff