The hardware interface module finally sends the commands to the
FIMC-IS firmware and runs the interrupt handler for getting the
responses.
Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
Signed-off-by: Kilyeon Im <kilyeon.im@xxxxxxxxxxx>
---
.../media/platform/exynos5-is/fimc-is-interface.c | 1003 ++++++++++++++++++++
.../media/platform/exynos5-is/fimc-is-interface.h | 130 +++
2 files changed, 1133 insertions(+)
create mode 100644 drivers/media/platform/exynos5-is/fimc-is-interface.c
create mode 100644 drivers/media/platform/exynos5-is/fimc-is-interface.h
diff --git a/drivers/media/platform/exynos5-is/fimc-is-interface.c b/drivers/media/platform/exynos5-is/fimc-is-interface.c
new file mode 100644
index 0000000..2537220
--- /dev/null
+++ b/drivers/media/platform/exynos5-is/fimc-is-interface.c
@@ -0,0 +1,1003 @@
+/*
+ * Samsung EXYNOS5 FIMC-IS (Imaging Subsystem) driver
+*
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ * Kil-yeon Lim <kilyeon.im@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "fimc-is.h"
+#include "fimc-is-cmd.h"
+#include "fimc-is-regs.h"
+
+#define init_request_barrier(itf) mutex_init(&itf->request_barrier)
+#define enter_request_barrier(itf) mutex_lock(&itf->request_barrier)
+#define exit_request_barrier(itf) mutex_unlock(&itf->request_barrier)
+
+static inline void itf_get_cmd(struct fimc_is_interface *itf,
+ struct fimc_is_msg *msg, unsigned int index)
+{
+ struct is_common_reg __iomem *com_regs = itf->com_regs;
+
+ switch (index) {
+ case INTR_GENERAL:
+ msg->id = 0;
+ msg->command = com_regs->ihcmd;
+ msg->instance = com_regs->ihc_sensorid;
+ msg->parameter1 = com_regs->ihc_param1;
+ msg->parameter2 = com_regs->ihc_param2;
+ msg->parameter3 = com_regs->ihc_param3;
+ msg->parameter4 = com_regs->ihc_param4;
+ break;
+ case INTR_SCC_FDONE:
+ msg->id = 0;
+ msg->command = IHC_FRAME_DONE;
+ msg->instance = com_regs->scc_sensor_id;
+ msg->parameter1 = com_regs->scc_param1;
+ msg->parameter2 = com_regs->scc_param2;
+ msg->parameter3 = com_regs->scc_param3;
+ msg->parameter4 = 0;
+ break;
+ case INTR_SCP_FDONE:
+ msg->id = 0;
+ msg->command = IHC_FRAME_DONE;
+ msg->instance = com_regs->scp_sensor_id;
+ msg->parameter1 = com_regs->scp_param1;
+ msg->parameter2 = com_regs->scp_param2;
+ msg->parameter3 = com_regs->scp_param3;
+ msg->parameter4 = 0;
+ break;
+ case INTR_META_DONE:
+ msg->id = 0;
+ msg->command = IHC_FRAME_DONE;
+ msg->instance = com_regs->meta_sensor_id;
+ msg->parameter1 = com_regs->meta_param1;
+ msg->parameter2 = 0;
+ msg->parameter3 = 0;
+ msg->parameter4 = 0;
+ break;
+ case INTR_SHOT_DONE:
+ msg->id = 0;
+ msg->command = IHC_FRAME_DONE;
+ msg->instance = com_regs->shot_sensor_id;
+ msg->parameter1 = com_regs->shot_param1;
+ msg->parameter2 = com_regs->shot_param2;
+ msg->parameter3 = 0;
+ msg->parameter4 = 0;
+ break;
+ default:
+ msg->id = 0;
+ msg->command = 0;
+ msg->instance = 0;
+ msg->parameter1 = 0;
+ msg->parameter2 = 0;
+ msg->parameter3 = 0;
+ msg->parameter4 = 0;
+ is_err("unknown command getting\n");
+ break;
+ }
+}
+
+static inline unsigned int itf_get_intr(struct fimc_is_interface *itf)
+{
+ unsigned int status;
+ struct is_common_reg __iomem *com_regs = itf->com_regs;
+
+ status = readl(itf->regs + INTMSR1) | com_regs->ihcmd_iflag |
+ com_regs->scc_iflag |
+ com_regs->scp_iflag |
+ com_regs->meta_iflag |
+ com_regs->shot_iflag;
+
+ return status;
+}
+
+static void itf_set_state(struct fimc_is_interface *itf,
+ unsigned long state)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&itf->slock_state, flags);
+ set_bit(state, &itf->state);
+ spin_unlock_irqrestore(&itf->slock_state, flags);
+}
+
+static void itf_clr_state(struct fimc_is_interface *itf,
+ unsigned long state)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&itf->slock_state, flags);
+ clear_bit(state, &itf->state);
+ spin_unlock_irqrestore(&itf->slock_state, flags);
+}
+
+static int itf_get_state(struct fimc_is_interface *itf,
+ unsigned long state)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&itf->slock_state, flags);
+ ret = test_bit(state, &itf->state);
+ spin_unlock_irqrestore(&itf->slock_state, flags);
+ return ret;
+}
+
+static void itf_init_wakeup(struct fimc_is_interface *itf)
+{
+ itf_set_state(itf, IS_IF_STATE_INIT);
+ wake_up(&itf->irq_queue);
+}
+
+void itf_busy_wakeup(struct fimc_is_interface *itf)
+{
+ itf_clr_state(itf, IS_IF_STATE_BUSY);
+ wake_up(&itf->irq_queue);
+}
+
+static int itf_wait_hw_ready(struct fimc_is_interface *itf)
+{
+ int ret = 0;
+ unsigned int try_count = TRY_RECV_AWARE_COUNT;
+ unsigned int cfg = readl(itf->regs + INTMSR0);
+ unsigned int status = INTMSR0_GET_INTMSD0(cfg);
+
+ while (status) {
+ cfg = readl(itf->regs + INTMSR0);
+ status = INTMSR0_GET_INTMSD0(cfg);
+
+ if (try_count-- == 0) {
+ try_count = TRY_RECV_AWARE_COUNT;
+ is_err("INTMSR0's 0 bit is not cleared.\n");
+ ret = -EINVAL;
+ break;
+ }
+ }
+ return ret;
+}
+
+static int itf_wait_idlestate(struct fimc_is_interface *itf)
+{
+ int ret = 0;
+
+ ret = wait_event_timeout(itf->irq_queue,
+ !itf_get_state(itf, IS_IF_STATE_BUSY),
+ FIMC_IS_COMMAND_TIMEOUT);
+ if (!ret) {
+ is_err("timeout");
+ return -ETIME;
+ }
+ return 0;
+}
+
+int fimc_is_itf_wait_init_state(struct fimc_is_interface *itf)
+{
+ int ret = 0;
+
+ ret = wait_event_timeout(itf->irq_queue,
+ itf_get_state(itf, IS_IF_STATE_INIT),
+ FIMC_IS_STARTUP_TIMEOUT);
+
+ if (!ret) {
+ is_err("timeout\n");
+ return -ETIME;
+ }
+ return 0;
+}
+
+static inline void itf_clr_intr(struct fimc_is_interface *itf,
+ unsigned int index)
+{
+ struct is_common_reg __iomem *com_regs = itf->com_regs;
+
+ switch (index) {
+ case INTR_GENERAL:
+ writel((1<<INTR_GENERAL), itf->regs + INTCR1);
+ com_regs->ihcmd_iflag = 0;
+ break;
+ case INTR_SCC_FDONE:
+ writel((1<<INTR_SCC_FDONE), itf->regs + INTCR1);
+ com_regs->scc_iflag = 0;
+ break;
+ case INTR_SCP_FDONE:
+ writel((1<<INTR_SCP_FDONE), itf->regs + INTCR1);
+ com_regs->scp_iflag = 0;
+ break;
+ case INTR_META_DONE:
+ writel((1<<INTR_META_DONE), itf->regs + INTCR1);
+ com_regs->meta_iflag = 0;
+ break;
+ case INTR_SHOT_DONE:
+ writel((1<<INTR_SHOT_DONE), itf->regs + INTCR1);
+ com_regs->shot_iflag = 0;
+ break;
+ default:
+ is_err("Unknown command clear\n");
+ break;
+ }
+}
+
+/* Send Host to IS command interrupt */
+static void itf_hic_interrupt(struct fimc_is_interface *itf)
+{
+ writel(INTGR0_INTGD0, itf->regs + INTGR0);
+}
+
+int fimc_is_itf_hw_dump(struct fimc_is_interface *itf)
+{
+ struct fimc_is *is = fimc_interface_to_is(itf);
+ int debug_cnt;
+ char *debug;
+ char letter;
+ int count = 0, i;
+
+ debug = (char *)(is->minfo.fw_vaddr + DEBUG_OFFSET);
+ debug_cnt = *((int *)(is->minfo.fw_vaddr + DEBUGCTL_OFFSET))
+ - DEBUG_OFFSET;
+
+ if (itf->debug_cnt > debug_cnt)
+ count = (DEBUG_CNT - itf->debug_cnt) + debug_cnt;
+ else
+ count = debug_cnt - itf->debug_cnt;
+
+ if (count) {
+ pr_info("start(%d %d)\n", debug_cnt, count);
+ for (i = itf->debug_cnt; count > 0; count--) {
+ letter = debug[i];
+ if (letter)
+ pr_cont("%c", letter);
+ i++;
+ if (i > DEBUG_CNT)
+ i = 0;
+ }
+ itf->debug_cnt = debug_cnt;
+ pr_info("end\n");
+ }
+ return count;
+}
+
+static int itf_send_sensor_number(struct fimc_is_interface *itf)
+{
+ struct fimc_is_msg msg;
+ unsigned long flags;
+
+ msg.id = 0;
+ msg.command = ISR_DONE;
+ msg.instance = 0;
+ msg.parameter1 = IHC_GET_SENSOR_NUMBER;
+
+ msg.parameter2 = 1;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ spin_lock_irqsave(&itf->slock, flags);
+ itf->com_regs->hicmd = msg.command;
+ itf->com_regs->hic_sensorid = msg.instance;
+ itf->com_regs->hic_param1 = msg.parameter1;
+ itf->com_regs->hic_param2 = msg.parameter2;
+ itf->com_regs->hic_param3 = msg.parameter3;
+ itf->com_regs->hic_param4 = msg.parameter4;
+ itf_hic_interrupt(itf);
+ spin_unlock_irqrestore(&itf->slock, flags);
+
+ return 0;
+}
+
+static int fimc_is_itf_set_cmd(struct fimc_is_interface *itf,
+ struct fimc_is_msg *msg)
+{
+ int ret = 0;
+ bool block_io, send_cmd;
+ unsigned long flags;
+
+ enter_request_barrier(itf);
+
+ switch (msg->command) {
+ case HIC_STREAM_ON:
+ if (itf->streaming == IS_IF_STREAMING_ON) {
+ send_cmd = false;
+ } else {
+ send_cmd = true;
+ block_io = true;
+ }
+ break;
+ case HIC_STREAM_OFF:
+ if (itf->streaming == IS_IF_STREAMING_OFF) {
+ send_cmd = false;
+ } else {
+ send_cmd = true;
+ block_io = true;
+ }
+ break;
+ case HIC_PROCESS_START:
+ if (itf->processing == IS_IF_PROCESSING_ON) {
+ send_cmd = false;
+ } else {
+ send_cmd = true;
+ block_io = true;
+ }
+ break;
+ case HIC_PROCESS_STOP:
+ if (itf->processing == IS_IF_PROCESSING_OFF) {
+ send_cmd = false;
+ } else {
+ send_cmd = true;
+ block_io = true;
+ }
+ break;
+ case HIC_POWER_DOWN:
+ if (itf->pdown_ready == IS_IF_POWER_DOWN_READY) {
+ send_cmd = false;
+ } else {
+ send_cmd = true;
+ block_io = true;
+ }
+ break;
+ case HIC_OPEN_SENSOR:
+ case HIC_GET_SET_FILE_ADDR:
+ case HIC_SET_PARAMETER:
+ case HIC_PREVIEW_STILL:
+ case HIC_GET_STATIC_METADATA:
+ case HIC_SET_A5_MEM_ACCESS:
+ case HIC_SET_CAM_CONTROL:
+ send_cmd = true;
+ block_io = true;
+ break;
+ case HIC_SHOT:
+ case ISR_DONE:
+ send_cmd = true;
+ block_io = false;
+ break;
+ default:
+ send_cmd = true;
+ block_io = true;
+ break;
+ }
+
+ if (!send_cmd) {
+ is_dbg(3, "skipped\n");
+ goto exit;
+ }
+
+ ret = itf_wait_hw_ready(itf);
+ if (ret) {
+ is_err("waiting for ready is fail");
+ ret = -EBUSY;
+ goto exit;
+ }
+
+ spin_lock_irqsave(&itf->slock, flags);
+ itf_set_state(itf, IS_IF_STATE_BUSY);
+ itf->com_regs->hicmd = msg->command;
+ itf->com_regs->hic_sensorid = msg->instance;
+ itf->com_regs->hic_param1 = msg->parameter1;
+ itf->com_regs->hic_param2 = msg->parameter2;
+ itf->com_regs->hic_param3 = msg->parameter3;
+ itf->com_regs->hic_param4 = msg->parameter4;
+ itf_hic_interrupt(itf);
+ spin_unlock_irqrestore(&itf->slock, flags);
+
+ if (!block_io)
+ goto exit;
+
+ ret = itf_wait_idlestate(itf);
+ if (ret) {
+ is_err("%d command is timeout\n", msg->command);
+ itf_clr_state(itf, IS_IF_STATE_BUSY);
+ ret = -ETIME;
+ goto exit;
+ }
+
+ if (itf->reply.command == ISR_DONE) {
+ switch (msg->command) {
+ case HIC_STREAM_ON:
+ itf->streaming = IS_IF_STREAMING_ON;
+ break;
+ case HIC_STREAM_OFF:
+ itf->streaming = IS_IF_STREAMING_OFF;
+ break;
+ case HIC_PROCESS_START:
+ itf->processing = IS_IF_PROCESSING_ON;
+ break;
+ case HIC_PROCESS_STOP:
+ itf->processing = IS_IF_PROCESSING_OFF;
+ break;
+ case HIC_POWER_DOWN:
+ itf->pdown_ready = IS_IF_POWER_DOWN_READY;
+ break;
+ case HIC_OPEN_SENSOR:
+ if (itf->reply.parameter1 == HIC_POWER_DOWN) {
+ is_err("firmware power down");
+ itf->pdown_ready = IS_IF_POWER_DOWN_READY;
+ ret = -ECANCELED;
+ goto exit;
+ } else
+ itf->pdown_ready = IS_IF_POWER_DOWN_NREADY;
+ break;
+ default:
+ break;
+ }
+ } else {
+ is_err("ISR_NDONE is occured");
+ ret = -EINVAL;
+ }
+
+exit:
+ exit_request_barrier(itf);
+
+ if (ret)
+ fimc_is_itf_hw_dump(itf);
+
+ return ret;
+}
+
+static int fimc_is_itf_set_cmd_shot(struct fimc_is_interface *itf,
+ struct fimc_is_msg *msg)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&itf->slock, flags);
+ itf->com_regs->hicmd = msg->command;
+ itf->com_regs->hic_sensorid = msg->instance;
+ itf->com_regs->hic_param1 = msg->parameter1;
+ itf->com_regs->hic_param2 = msg->parameter2;
+ itf->com_regs->hic_param3 = msg->parameter3;
+ itf->com_regs->hic_param4 = msg->parameter4;
+ itf->com_regs->fcount = msg->parameter3;
+ itf_hic_interrupt(itf);
+ spin_unlock_irqrestore(&itf->slock, flags);
+
+ return ret;
+}
+
+static void itf_handle_general(struct fimc_is_interface *itf,
+ struct fimc_is_msg *msg)
+{
+ switch (msg->command) {
+
+ case IHC_GET_SENSOR_NUMBER:
+ is_dbg(3, "IS version : %d.%d\n",
+ ISDRV_VERSION, msg->parameter1);
+ /* Respond with sensor number */
+ itf_send_sensor_number(itf);
+ itf_init_wakeup(itf);
+ break;
+ case ISR_DONE:
+ switch (msg->parameter1) {
+ case HIC_OPEN_SENSOR:
+ is_dbg(3, "open done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_GET_SET_FILE_ADDR:
+ is_dbg(3, "saddr(%p) done\n",
+ (void *)msg->parameter2);
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_LOAD_SET_FILE:
+ is_dbg(3, "setfile done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_SET_A5_MEM_ACCESS:
+ is_dbg(3, "cfgmem done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_PROCESS_START:
+ is_dbg(3, "process_on done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_PROCESS_STOP:
+ is_dbg(3, "process_off done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_STREAM_ON:
+ is_dbg(3, "stream_on done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_STREAM_OFF:
+ is_dbg(3, "stream_off done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_SET_PARAMETER:
+ is_dbg(3, "s_param done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_GET_STATIC_METADATA:
+ is_dbg(3, "g_capability done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_PREVIEW_STILL:
+ is_dbg(3, "a_param(%dx%d) done\n",
+ msg->parameter2,
+ msg->parameter3);
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ case HIC_POWER_DOWN:
+ is_dbg(3, "powerdown done\n");
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ /*non-blocking command*/
+ case HIC_SHOT:
+ is_err("shot done is not acceptable\n");
+ break;
+ case HIC_SET_CAM_CONTROL:
+ is_err("camctrl is not acceptable\n");
+ break;
+ default:
+ is_err("unknown done is invokded\n");
+ break;
+ }
+ break;
+ case ISR_NDONE:
+ switch (msg->parameter1) {
+ case HIC_SHOT:
+ is_err("shot NOT done is not acceptable\n");
+ break;
+ case HIC_SET_CAM_CONTROL:
+ is_dbg(3, "camctrl NOT done\n");
+ break;
+ case HIC_SET_PARAMETER:
+ is_err("s_param NOT done\n");
+ is_err("param2 : 0x%08X\n", msg->parameter2);
+ is_err("param3 : 0x%08X\n", msg->parameter3);
+ is_err("param4 : 0x%08X\n", msg->parameter4);
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ default:
+ is_err("a command(%d) not done", msg->parameter1);
+ memcpy(&itf->reply, msg,
+ sizeof(struct fimc_is_msg));
+ itf_busy_wakeup(itf);
+ break;
+ }
+ break;
+ case IHC_SET_FACE_MARK:
+ is_err("FACE_MARK(%d,%d,%d) is not acceptable\n",
+ msg->parameter1,
+ msg->parameter2,
+ msg->parameter3);
+ break;
+ case IHC_AA_DONE:
+ is_err("AA_DONE(%d,%d,%d) is not acceptable\n",
+ msg->parameter1,
+ msg->parameter2,
+ msg->parameter3);
+ break;
+ case IHC_FLASH_READY:
+ is_err("IHC_FLASH_READY is not acceptable");
+ break;
+ case IHC_NOT_READY:
+ is_err("IHC_NOT_READY is occured, need reset");
+ break;
+ default:
+ is_err("func_general unknown(0x%08X) end\n", msg->command);
+ break;
+ }
+}
+
+static void itf_handle_scaler_done(struct fimc_is_interface *itf,
+ struct fimc_is_msg *msg)
+{
+ struct fimc_is *is = fimc_interface_to_is(itf);
+ struct fimc_is_pipeline *pipeline = &is->pipeline;
+ struct fimc_is_buf *buf;
+ struct fimc_is_scaler *scl;
+ struct fimc_is_fmt *fmt;
+ struct timeval *tv;
+ struct timespec ts;
+ unsigned int wh, i;
+ unsigned int fcount = msg->parameter1;
+ unsigned long *comp_state;
+
+ if (msg->parameter4 == SCALER_SCC) {
+ scl = &pipeline->scaler[SCALER_SCC];
+ comp_state = &pipeline->comp_state[IS_SCC];
+ } else {
+ scl = &pipeline->scaler[SCALER_SCP];
+ comp_state = &pipeline->comp_state[IS_SCP];
+ }
+
+ fmt = scl->fmt;
+
+ fimc_is_pipeline_buf_lock(pipeline);
+ if (!list_empty(&scl->run_queue)) {
+
+ wh = scl->width * scl->height;
+ buf = fimc_is_scaler_run_queue_get(scl);
+ for (i = 0; i < fmt->num_planes; i++) {
+ vb2_set_plane_payload(buf->vb, i,
+ (wh * fmt->depth[i]) / 8);
+ }
+
+ /* Set timestamp */
+ ktime_get_ts(&ts);
+ tv = &buf->vb->v4l2_buf.timestamp;
+ tv->tv_sec = ts.tv_sec;
+ tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+ buf->vb->v4l2_buf.sequence = fcount;
+
+ is_dbg(5, "SCP buffer done %d/%d\n",
+ msg->parameter1, msg->parameter3);
+ vb2_buffer_done(buf->vb, VB2_BUF_STATE_DONE);
+ }
+ fimc_is_pipeline_buf_unlock(pipeline);
+ clear_bit(COMP_RUN, comp_state);
+ wake_up(&scl->event_q);
+}
+
+static void itf_handle_shot_done(struct fimc_is_interface *itf,
+ struct fimc_is_msg *msg)
+{
+ struct fimc_is *is = fimc_interface_to_is(itf);
+ struct fimc_is_pipeline *pipeline = &is->pipeline;
+ unsigned int status = msg->parameter2;
+ struct fimc_is_buf *bayer_buf;
+ int ret;
+
+ if (status != ISR_DONE)
+ is_err("Shot done is invalid(0x%08X)\n", status);
+
+ /* DQ the bayer input buffer */
+ fimc_is_pipeline_buf_lock(pipeline);
+ bayer_buf = fimc_is_isp_run_queue_get(&pipeline->isp);
+ if (bayer_buf) {
+ vb2_buffer_done(bayer_buf->vb, VB2_BUF_STATE_DONE);
+ is_dbg(5, "Bayer buffer done.\n");
+ }
+ fimc_is_pipeline_buf_unlock(pipeline);
+
+ /* Clear state & call shot again */
+ clear_bit(PIPELINE_RUN, &pipeline->state);
+
+ ret = fimc_is_pipeline_shot(pipeline);
+ if (ret)
+ is_err("Shot failed\n");
+}
+
+/* Main FIMC-IS interrupt handler */
+static irqreturn_t itf_irq_handler(int irq, void *data)
+{
+ struct fimc_is_interface *itf;
+ struct fimc_is_msg msg;
+ unsigned int status;
+
+ itf = (struct fimc_is_interface *)data;
+ status = itf_get_intr(itf);
+
+ if (status & (1<<INTR_SHOT_DONE)) {
+ itf_get_cmd(itf, &msg, INTR_SHOT_DONE);
+
+ itf_handle_shot_done(itf, &msg);
+
+ status &= ~(1<<INTR_SHOT_DONE);
+ itf_clr_intr(itf, INTR_SHOT_DONE);
+ }
+
+ if (status & (1<<INTR_GENERAL)) {
+ itf_get_cmd(itf, &msg, INTR_GENERAL);
+
+ itf_handle_general(itf, &msg);
+
+ status &= ~(1<<INTR_GENERAL);
+ itf_clr_intr(itf, INTR_GENERAL);
+ }
+
+ if (status & (1<<INTR_SCC_FDONE)) {
+ itf_get_cmd(itf, &msg, INTR_SCC_FDONE);
+
+ msg.parameter4 = SCALER_SCC;
+ itf_handle_scaler_done(itf, &msg);
+
+ status &= ~(1<<INTR_SCC_FDONE);
+ itf_clr_intr(itf, INTR_SCC_FDONE);
+ }
+
+ if (status & (1<<INTR_SCP_FDONE)) {
+ itf_get_cmd(itf, &msg, INTR_SCP_FDONE);
+
+ msg.parameter4 = SCALER_SCP;
+ itf_handle_scaler_done(itf, &msg);
+
+ status &= ~(1<<INTR_SCP_FDONE);
+ itf_clr_intr(itf, INTR_SCP_FDONE);
+ }
+
+ if (status & (1<<INTR_META_DONE)) {
+ status &= ~(1<<INTR_META_DONE);
+ itf_clr_intr(itf, INTR_META_DONE);
+ }
+
+ if (status != 0)
+ is_err("status is NOT all clear(0x%08X)", status);
+
+ return IRQ_HANDLED;
+}
+
+int fimc_is_itf_open_sensor(struct fimc_is_interface *itf,
+ unsigned int instance,
+ unsigned int sensor_id,
+ unsigned int i2c_channel,
+ unsigned int sensor_ext)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_OPEN_SENSOR;
+ msg.instance = instance;
+ msg.parameter1 = sensor_id;
+ msg.parameter2 = i2c_channel;
+ msg.parameter3 = sensor_ext;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_get_setfile_addr(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int *setfile_addr)
+{
+ int ret;
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_GET_SET_FILE_ADDR;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ ret = fimc_is_itf_set_cmd(itf, &msg);
+ *setfile_addr = itf->reply.parameter2;
+
+ return ret;
+}
+
+int fimc_is_itf_load_setfile(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_LOAD_SET_FILE;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_stream_on(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_STREAM_ON;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_stream_off(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_STREAM_OFF;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_process_on(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_PROCESS_START;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_process_off(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_PROCESS_STOP;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_set_param(struct fimc_is_interface *itf,
+ unsigned int instance,
+ unsigned int indexes,
+ unsigned int lindex,
+ unsigned int hindex)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_SET_PARAMETER;
+ msg.instance = instance;
+ msg.parameter1 = ISS_PREVIEW_STILL;
+ msg.parameter2 = indexes;
+ msg.parameter3 = lindex;
+ msg.parameter4 = hindex;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_preview_still(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_PREVIEW_STILL;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_get_capability(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int address)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_GET_STATIC_METADATA;
+ msg.instance = instance;
+ msg.parameter1 = address;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_cfg_mem(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int address,
+ unsigned int size)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_SET_A5_MEM_ACCESS;
+ msg.instance = instance;
+ msg.parameter1 = address;
+ msg.parameter2 = size;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ return fimc_is_itf_set_cmd(itf, &msg);
+}
+
+int fimc_is_itf_shot_nblk(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int bayer,
+ unsigned int shot, unsigned int fcount, unsigned int rcount)
+{
+ struct fimc_is_msg msg;
+
+ msg.id = 0;
+ msg.command = HIC_SHOT;
+ msg.instance = instance;
+ msg.parameter1 = bayer;
+ msg.parameter2 = shot;
+ msg.parameter3 = fcount;
+ msg.parameter4 = rcount;
+
+ return fimc_is_itf_set_cmd_shot(itf, &msg);
+}
+
+int fimc_is_itf_power_down(struct fimc_is_interface *itf,
+ unsigned int instance)
+{
+ struct fimc_is_msg msg;
+ int ret;
+
+ msg.id = 0;
+ msg.command = HIC_POWER_DOWN;
+ msg.instance = instance;
+ msg.parameter1 = 0;
+ msg.parameter2 = 0;
+ msg.parameter3 = 0;
+ msg.parameter4 = 0;
+
+ ret = fimc_is_itf_set_cmd(itf, &msg);
+ itf_clr_state(itf, IS_IF_STATE_INIT);
+
+ return ret;
+}
+
+int fimc_is_interface_init(struct fimc_is_interface *itf,
+ void __iomem *regs, int irq)
+{
+ struct fimc_is *is = fimc_interface_to_is(itf);
+ struct device *dev = &is->pdev->dev;
+ int ret;
+
+ if (!regs || !irq) {
+ is_err("Invalid args\n");
+ return -EINVAL;
+ }
+
+ itf->regs = regs;
+ itf->com_regs = (struct is_common_reg *)(regs + ISSR0);
+
+ init_waitqueue_head(&itf->irq_queue);
+ spin_lock_init(&itf->slock_state);
+ spin_lock_init(&itf->slock);
+
+ /* Register interrupt handler */
+ ret = devm_request_irq(dev, irq, itf_irq_handler,
+ 0, dev_name(dev), itf);
+ if (ret) {
+ dev_err(dev, "Failed to install irq (%d)\n", ret);
+ return -EINVAL;
+ }
+
+ /* Initialize context vars */
+ itf->streaming = IS_IF_STREAMING_INIT;
+ itf->processing = IS_IF_PROCESSING_INIT;
+ itf->pdown_ready = IS_IF_POWER_DOWN_READY;
+ itf->debug_cnt = 0;
+ init_request_barrier(itf);
+
+ return 0;
+}
diff --git a/drivers/media/platform/exynos5-is/fimc-is-interface.h b/drivers/media/platform/exynos5-is/fimc-is-interface.h
new file mode 100644
index 0000000..54f3aec
--- /dev/null
+++ b/drivers/media/platform/exynos5-is/fimc-is-interface.h
@@ -0,0 +1,130 @@
+/*
+ * Samsung EXYNOS5 FIMC-IS (Imaging Subsystem) driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ * Arun Kumar K <arun.kk@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef FIMC_IS_INTERFACE_H_
+#define FIMC_IS_INTERFACE_H_
+
+#include "fimc-is-core.h"
+
+#define TRY_RECV_AWARE_COUNT 100
+
+#define ISDRV_VERSION 111
+
+#define LOWBIT_OF(num) (num >= 32 ? 0 : (unsigned int)1<<num)
+#define HIGHBIT_OF(num) (num >= 32 ? (unsigned int)1<<(num-32) : 0)
+
+enum interrupt_map {
+ INTR_GENERAL = 0,
+ INTR_ISP_FDONE = 1,
+ INTR_SCC_FDONE = 2,
+ INTR_DNR_FDONE = 3,
+ INTR_SCP_FDONE = 4,
+ /* 5 is ISP YUV DONE */
+ INTR_META_DONE = 6,
+ INTR_SHOT_DONE = 7,
+ INTR_MAX_MAP
+};
+
+enum fimc_is_interface_state {
+ IS_IF_STATE_INIT,
+ IS_IF_STATE_OPEN,
+ IS_IF_STATE_START,
+ IS_IF_STATE_BUSY
+};
+
+enum streaming_state {
+ IS_IF_STREAMING_INIT,
+ IS_IF_STREAMING_OFF,
+ IS_IF_STREAMING_ON
+};
+
+enum processing_state {
+ IS_IF_PROCESSING_INIT,
+ IS_IF_PROCESSING_OFF,
+ IS_IF_PROCESSING_ON
+};
+
+enum pdown_ready_state {
+ IS_IF_POWER_DOWN_READY,
+ IS_IF_POWER_DOWN_NREADY
+};
+
+struct fimc_is_msg {
+ unsigned int id;
+ unsigned int command;
+ unsigned int instance;
+ unsigned int parameter1;
+ unsigned int parameter2;
+ unsigned int parameter3;
+ unsigned int parameter4;
+};
+
+struct fimc_is_interface {
+
+ unsigned long state;
+
+ void __iomem *regs;
+ struct is_common_reg __iomem *com_regs;
+ spinlock_t slock;
+ spinlock_t slock_state;
+ wait_queue_head_t irq_queue;
+
+ spinlock_t process_barrier;
+ struct mutex request_barrier;
+
+ enum streaming_state streaming;
+ enum processing_state processing;
+ enum pdown_ready_state pdown_ready;
+
+ struct fimc_is_msg reply;
+
+ int debug_cnt;
+
+};
+
+int fimc_is_interface_init(struct fimc_is_interface *itf,
+ void __iomem *regs, int irq);
+int fimc_is_itf_wait_init_state(struct fimc_is_interface *itf);
+int fimc_is_itf_hw_dump(struct fimc_is_interface *itf);
+int fimc_is_itf_open_sensor(struct fimc_is_interface *itf,
+ unsigned int instance,
+ unsigned int sensor_id,
+ unsigned int i2c_channel,
+ unsigned int sensor_ext);
+int fimc_is_itf_get_setfile_addr(struct fimc_is_interface *this,
+ unsigned int instance, unsigned int *setfile_addr);
+int fimc_is_itf_load_setfile(struct fimc_is_interface *itf,
+ unsigned int instance);
+int fimc_is_itf_stream_on(struct fimc_is_interface *itf,
+ unsigned int instance);
+int fimc_is_itf_stream_off(struct fimc_is_interface *itf,
+ unsigned int instance);
+int fimc_is_itf_process_on(struct fimc_is_interface *itf,
+ unsigned int instance);
+int fimc_is_itf_process_off(struct fimc_is_interface *itf,
+ unsigned int instance);
+int fimc_is_itf_set_param(struct fimc_is_interface *this,
+ unsigned int instance,
+ unsigned int indexes,
+ unsigned int lindex,
+ unsigned int hindex);
+int fimc_is_itf_preview_still(struct fimc_is_interface *itf,
+ unsigned int instance);
+int fimc_is_itf_get_capability(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int address);
+int fimc_is_itf_cfg_mem(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int address,
+ unsigned int size);
+int fimc_is_itf_shot_nblk(struct fimc_is_interface *itf,
+ unsigned int instance, unsigned int bayer,
+ unsigned int shot, unsigned int fcount, unsigned int rcount);
+int fimc_is_itf_power_down(struct fimc_is_interface *itf,
+ unsigned int instance);
+#endif
--
1.7.9.5
--
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