#include <linux/pm_domain.h>
#include <linux/units.h>
#include "isp4.h"
#include "isp4_debug.h"
#include "isp4_fw_cmd_resp.h"
#include "isp4_interface.h"
#define ISP4SD_MIN_BUF_CNT_BEF_START_STREAM 4
#define ISP4SD_PERFORMANCE_STATE_LOW 0
#define ISP4SD_PERFORMANCE_STATE_HIGH 1
#define ISP4SD_META_BUF_SIZE ALIGN(sizeof(struct isp4fw_meta_info), 0x8000)
#define to_isp4_subdev(sd) container_of(sd, struct isp4_subdev, sdev)
static const char *isp4sd_entity_name = "amd isp4";
static const char *isp4sd_thread_name[ISP4SD_MAX_FW_RESP_STREAM_NUM] = {
"amd_isp4_thread_global",
"amd_isp4_thread_stream1",
};
static void isp4sd_module_enable(struct isp4_subdev *isp_subdev, bool enable)
{
if (isp_subdev->enable_gpio) {
gpiod_set_value(isp_subdev->enable_gpio, enable ? 1 : 0);
dev_dbg(isp_subdev->dev, "%s isp_subdev module\n",
enable ? "enable" : "disable");
}
}
static int isp4sd_setup_fw_mem_pool(struct isp4_subdev *isp_subdev)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4fw_cmd_send_buffer buf_type;
struct device *dev = isp_subdev->dev;
int ret;
if (!ispif->fw_mem_pool) {
dev_err(dev, "fail to alloc mem pool\n");
return -ENOMEM;
}
memset(&buf_type, 0, sizeof(buf_type));
buf_type.buffer_type = ISP4FW_BUFFER_TYPE_MEM_POOL;
buf_type.buffer.vmid_space.bit.space = ISP4FW_ADDR_SPACE_TYPE_GPU_VA;
isp4if_split_addr64(ispif->fw_mem_pool->gpu_mc_addr,
&buf_type.buffer.buf_base_a_lo,
&buf_type.buffer.buf_base_a_hi);
buf_type.buffer.buf_size_a = ispif->fw_mem_pool->mem_size;
ret = isp4if_send_command(ispif, ISP4FW_CMD_ID_SEND_BUFFER,
&buf_type, sizeof(buf_type));
if (ret) {
dev_err(dev, "send fw mem pool 0x%llx(%u) fail %d\n",
ispif->fw_mem_pool->gpu_mc_addr,
buf_type.buffer.buf_size_a, ret);
return ret;
}
dev_dbg(dev, "send fw mem pool 0x%llx(%u) suc\n",
ispif->fw_mem_pool->gpu_mc_addr, buf_type.buffer.buf_size_a);
return 0;
}
static int isp4sd_set_stream_path(struct isp4_subdev *isp_subdev)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4fw_cmd_set_stream_cfg cmd;
struct device *dev = isp_subdev->dev;
memset(&cmd, 0, sizeof(cmd));
cmd.stream_cfg.mipi_pipe_path_cfg.isp4fw_sensor_id =
ISP4FW_SENSOR_ID_ON_MIPI0;
cmd.stream_cfg.mipi_pipe_path_cfg.b_enable = true;
cmd.stream_cfg.isp_pipe_path_cfg.isp_pipe_id =
ISP4FW_MIPI0_ISP_PIPELINE_ID;
cmd.stream_cfg.b_enable_tnr = true;
dev_dbg(dev, "isp4fw_sensor_id %d, pipeId 0x%x EnableTnr %u\n",
cmd.stream_cfg.mipi_pipe_path_cfg.isp4fw_sensor_id,
cmd.stream_cfg.isp_pipe_path_cfg.isp_pipe_id,
cmd.stream_cfg.b_enable_tnr);
return isp4if_send_command(ispif, ISP4FW_CMD_ID_SET_STREAM_CONFIG,
&cmd, sizeof(cmd));
}
static int isp4sd_send_meta_buf(struct isp4_subdev *isp_subdev)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4fw_cmd_send_buffer buf_type;
struct device *dev = isp_subdev->dev;
memset(&buf_type, 0, sizeof(buf_type));
for (unsigned int i = 0; i < ISP4IF_MAX_STREAM_BUF_COUNT; i++) {
struct isp4if_gpu_mem_info *meta_info_buf =
isp_subdev->ispif.meta_info_buf[i];
int ret;
if (!meta_info_buf) {
dev_err(dev, "fail for no meta info buf(%u)\n", i);
return -ENOMEM;
}
buf_type.buffer_type = ISP4FW_BUFFER_TYPE_META_INFO;
buf_type.buffer.vmid_space.bit.space =
ISP4FW_ADDR_SPACE_TYPE_GPU_VA;
isp4if_split_addr64(meta_info_buf->gpu_mc_addr,
&buf_type.buffer.buf_base_a_lo,
&buf_type.buffer.buf_base_a_hi);
buf_type.buffer.buf_size_a = meta_info_buf->mem_size;
ret = isp4if_send_command(ispif, ISP4FW_CMD_ID_SEND_BUFFER,
&buf_type, sizeof(buf_type));
if (ret) {
dev_err(dev, "send meta info(%u) fail\n", i);
return ret;
}
}
dev_dbg(dev, "send meta info suc\n");
return 0;
}
static bool isp4sd_get_str_out_prop(struct isp4_subdev *isp_subdev,
struct isp4fw_image_prop *out_prop,
struct v4l2_subdev_state *state, u32 pad)
{
struct device *dev = isp_subdev->dev;
struct v4l2_mbus_framefmt *format;
format = v4l2_subdev_state_get_format(state, pad, 0);
if (!format) {
dev_err(dev, "fail get subdev state format\n");
return false;
}
switch (format->code) {
case MEDIA_BUS_FMT_YUYV8_1_5X8:
out_prop->image_format = ISP4FW_IMAGE_FORMAT_NV12;
out_prop->width = format->width;
out_prop->height = format->height;
out_prop->luma_pitch = format->width;
out_prop->chroma_pitch = out_prop->width;
break;
case MEDIA_BUS_FMT_YUYV8_1X16:
out_prop->image_format = ISP4FW_IMAGE_FORMAT_YUV422INTERLEAVED;
out_prop->width = format->width;
out_prop->height = format->height;
out_prop->luma_pitch = format->width * 2;
out_prop->chroma_pitch = 0;
break;
default:
dev_err(dev, "fail for bad image format:0x%x\n",
format->code);
return false;
}
if (!out_prop->width || !out_prop->height)
return false;
return true;
}
static int isp4sd_kickoff_stream(struct isp4_subdev *isp_subdev, u32 w, u32 h)
{
struct isp4sd_sensor_info *sensor_info = &isp_subdev->sensor_info;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
if (sensor_info->status == ISP4SD_START_STATUS_STARTED)
return 0;
if (sensor_info->status == ISP4SD_START_STATUS_START_FAIL) {
dev_err(dev, "fail for previous start fail\n");
return -EINVAL;
}
dev_dbg(dev, "w:%u,h:%u\n", w, h);
if (isp4sd_send_meta_buf(isp_subdev)) {
dev_err(dev, "fail to send meta buf\n");
sensor_info->status = ISP4SD_START_STATUS_START_FAIL;
return -EINVAL;
}
sensor_info->status = ISP4SD_START_STATUS_OFF;
if (!sensor_info->start_stream_cmd_sent &&
sensor_info->buf_sent_cnt >= ISP4SD_MIN_BUF_CNT_BEF_START_STREAM) {
int ret = isp4if_send_command(ispif, ISP4FW_CMD_ID_START_STREAM,
NULL, 0);
if (ret) {
dev_err(dev, "fail to start stream\n");
return ret;
}
sensor_info->start_stream_cmd_sent = true;
} else {
dev_dbg(dev,
"no send START_STREAM, start_sent %u, buf_sent %u\n",
sensor_info->start_stream_cmd_sent,
sensor_info->buf_sent_cnt);
}
return 0;
}
static int isp4sd_setup_output(struct isp4_subdev *isp_subdev,
struct v4l2_subdev_state *state, u32 pad)
{
struct isp4sd_output_info *output_info =
&isp_subdev->sensor_info.output_info;
struct isp4sd_sensor_info *sensor_info = &isp_subdev->sensor_info;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4fw_cmd_set_out_ch_prop cmd_ch_prop;
struct isp4fw_cmd_enable_out_ch cmd_ch_en;
struct device *dev = isp_subdev->dev;
int ret;
if (output_info->start_status == ISP4SD_START_STATUS_STARTED)
return 0;
if (output_info->start_status == ISP4SD_START_STATUS_START_FAIL) {
dev_err(dev, "fail for previous start fail\n");
return -EINVAL;
}
memset(&cmd_ch_prop, 0, sizeof(cmd_ch_prop));
cmd_ch_prop.ch = ISP4FW_ISP_PIPE_OUT_CH_PREVIEW;
if (!isp4sd_get_str_out_prop(isp_subdev,
&cmd_ch_prop.image_prop, state, pad)) {
dev_err(dev, "fail to get out prop\n");
return -EINVAL;
}
dev_dbg(dev, "channel:%s,fmt %s,w:h=%u:%u,lp:%u,cp%u\n",
isp4dbg_get_out_ch_str(cmd_ch_prop.ch),
isp4dbg_get_img_fmt_str(cmd_ch_prop.image_prop.image_format),
cmd_ch_prop.image_prop.width, cmd_ch_prop.image_prop.height,
cmd_ch_prop.image_prop.luma_pitch,
cmd_ch_prop.image_prop.chroma_pitch);
ret = isp4if_send_command(ispif, ISP4FW_CMD_ID_SET_OUT_CHAN_PROP,
&cmd_ch_prop, sizeof(cmd_ch_prop));
if (ret) {
output_info->start_status = ISP4SD_START_STATUS_START_FAIL;
dev_err(dev, "fail to set out prop\n");
return ret;
}
memset(&cmd_ch_en, 0, sizeof(cmd_ch_en));
cmd_ch_en.ch = ISP4FW_ISP_PIPE_OUT_CH_PREVIEW;
cmd_ch_en.is_enable = true;
ret = isp4if_send_command(ispif, ISP4FW_CMD_ID_ENABLE_OUT_CHAN,
&cmd_ch_en, sizeof(cmd_ch_en));
if (ret) {
output_info->start_status = ISP4SD_START_STATUS_START_FAIL;
dev_err(dev, "fail to enable channel\n");
return ret;
}
dev_dbg(dev, "enable channel %s\n",
isp4dbg_get_out_ch_str(cmd_ch_en.ch));
if (!sensor_info->start_stream_cmd_sent) {
ret = isp4sd_kickoff_stream(isp_subdev,
cmd_ch_prop.image_prop.width,
cmd_ch_prop.image_prop.height);
if (ret) {
dev_err(dev, "kickoff stream fail %d\n", ret);
return ret;
}
if (sensor_info->start_stream_cmd_sent) {
sensor_info->status = ISP4SD_START_STATUS_STARTED;
output_info->start_status = ISP4SD_START_STATUS_STARTED;
dev_dbg(dev, "kickoff stream suc,start cmd sent\n");
}
} else {
dev_dbg(dev, "stream running, no need kickoff\n");
output_info->start_status = ISP4SD_START_STATUS_STARTED;
}
dev_dbg(dev, "setup output suc\n");
return 0;
}
static int isp4sd_init_stream(struct isp4_subdev *isp_subdev)
{
struct device *dev = isp_subdev->dev;
int ret;
ret = isp4sd_setup_fw_mem_pool(isp_subdev);
if (ret) {
dev_err(dev, "fail to setup fw mem pool\n");
return ret;
}
ret = isp4sd_set_stream_path(isp_subdev);
if (ret) {
dev_err(dev, "fail to setup stream path\n");
return ret;
}
return 0;
}
static void isp4sd_uninit_stream(struct isp4_subdev *isp_subdev,
struct v4l2_subdev_state *state, u32 pad)
{
struct isp4sd_sensor_info *sensor_info = &isp_subdev->sensor_info;
struct isp4sd_output_info *output_info = &sensor_info->output_info;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct v4l2_mbus_framefmt *format;
format = v4l2_subdev_state_get_format(state, pad, 0);
if (!format) {
dev_err(isp_subdev->dev, "fail to get v4l2 format\n");
} else {
memset(format, 0, sizeof(*format));
format->code = MEDIA_BUS_FMT_YUYV8_1_5X8;
}
isp4if_clear_bufq(ispif);
isp4if_clear_cmdq(ispif);
sensor_info->start_stream_cmd_sent = false;
sensor_info->buf_sent_cnt = 0;
sensor_info->status = ISP4SD_START_STATUS_OFF;
output_info->start_status = ISP4SD_START_STATUS_OFF;
}
static void isp4sd_fw_resp_cmd_done(struct isp4_subdev *isp_subdev,
enum isp4if_stream_id stream_id,
struct isp4fw_resp_cmd_done *para)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4if_cmd_element *ele =
isp4if_rm_cmd_from_cmdq(ispif, para->cmd_seq_num, para->cmd_id);
struct device *dev = isp_subdev->dev;
dev_dbg(dev, "stream %d,cmd %s(0x%08x)(%d),seq %u, ele %p\n",
stream_id,
isp4dbg_get_cmd_str(para->cmd_id),
para->cmd_id, para->cmd_status, para->cmd_seq_num,
ele);
if (ele) {
complete(&ele->cmd_done);
if (atomic_dec_and_test(&ele->refcnt))
kfree(ele);
}
}
static struct isp4fw_meta_info *
isp4sd_get_meta_by_mc(struct isp4_subdev *isp_subdev, u64 mc)
{
for (unsigned int i = 0; i < ISP4IF_MAX_STREAM_BUF_COUNT; i++) {
struct isp4if_gpu_mem_info *meta_info_buf =
isp_subdev->ispif.meta_info_buf[i];
if (meta_info_buf->gpu_mc_addr == mc)
return meta_info_buf->sys_addr;
}
return NULL;
}
static void isp4sd_send_meta_info(struct isp4_subdev *isp_subdev,
u64 meta_info_mc)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4fw_cmd_send_buffer buf_type;
struct device *dev = isp_subdev->dev;
if (isp_subdev->sensor_info.status != ISP4SD_START_STATUS_STARTED) {
dev_warn(dev, "not working status %i, meta_info 0x%llx\n",
isp_subdev->sensor_info.status, meta_info_mc);
return;
}
memset(&buf_type, 0, sizeof(buf_type));
buf_type.buffer_type = ISP4FW_BUFFER_TYPE_META_INFO;
buf_type.buffer.vmid_space.bit.space = ISP4FW_ADDR_SPACE_TYPE_GPU_VA;
isp4if_split_addr64(meta_info_mc,
&buf_type.buffer.buf_base_a_lo,
&buf_type.buffer.buf_base_a_hi);
buf_type.buffer.buf_size_a = ISP4SD_META_BUF_SIZE;
if (isp4if_send_command(ispif, ISP4FW_CMD_ID_SEND_BUFFER,
&buf_type, sizeof(buf_type)))
dev_err(dev, "fail send meta_info 0x%llx\n",
meta_info_mc);
else
dev_dbg(dev, "resend meta_info 0x%llx\n", meta_info_mc);
}
static void isp4sd_fw_resp_frame_done(struct isp4_subdev *isp_subdev,
enum isp4if_stream_id stream_id,
struct isp4fw_resp_param_package *para)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
struct isp4if_img_buf_node *prev;
struct isp4fw_meta_info *meta;
u64 mc;
mc = isp4if_join_addr64(para->package_addr_lo, para->package_addr_hi);
meta = isp4sd_get_meta_by_mc(isp_subdev, mc);
if (!meta) {
dev_err(dev, "fail to get meta from mc %llx\n", mc);
return;
}
dev_dbg(dev, "ts:%llu,streamId:%d,poc:%u,preview_en:%u,status:%s(%i)\n",
ktime_get_ns(), stream_id, meta->poc, meta->preview.enabled,
isp4dbg_get_buf_done_str(meta->preview.status),
meta->preview.status);
if (meta->preview.enabled &&
(meta->preview.status == ISP4FW_BUFFER_STATUS_SKIPPED ||
meta->preview.status == ISP4FW_BUFFER_STATUS_DONE ||
meta->preview.status == ISP4FW_BUFFER_STATUS_DIRTY)) {
prev = isp4if_dequeue_buffer(ispif);
if (prev) {
isp4dbg_show_bufmeta_info(dev, "prev", &meta->preview,
&prev->buf_info);
isp4vid_handle_frame_done(&isp_subdev->isp_vdev,
&prev->buf_info);
isp4if_dealloc_buffer_node(prev);
} else {
dev_err(dev, "fail null prev buf\n");
}
} else if (meta->preview.enabled) {
dev_err(dev, "fail bad preview status %u(%s)\n",
meta->preview.status,
isp4dbg_get_buf_done_str(meta->preview.status));
}
if (isp_subdev->sensor_info.status == ISP4SD_START_STATUS_STARTED)
isp4sd_send_meta_info(isp_subdev, mc);
dev_dbg(dev, "stream_id:%d, status:%d\n", stream_id,
isp_subdev->sensor_info.status);
}
static void isp4sd_fw_resp_func(struct isp4_subdev *isp_subdev,
enum isp4if_stream_id stream_id)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
struct isp4fw_resp resp;
if (stream_id == ISP4IF_STREAM_ID_1)
isp_fw_log_print(isp_subdev);
while (true) {
if (isp4if_f2h_resp(ispif, stream_id, &resp)) {
isp4_intr_enable(isp_subdev, stream_id, true);
mb();
if (likely(isp4if_f2h_resp(ispif, stream_id, &resp)))
break;
isp4_intr_enable(isp_subdev, stream_id, false);
}
switch (resp.resp_id) {
case ISP4FW_RESP_ID_CMD_DONE:
isp4sd_fw_resp_cmd_done(isp_subdev, stream_id,
&resp.param.cmd_done);
break;
case ISP4FW_RESP_ID_NOTI_FRAME_DONE:
isp4sd_fw_resp_frame_done(isp_subdev, stream_id,
&resp.param.frame_done);
break;
default:
dev_err(dev, "-><- fail respid %s(0x%x)\n",
isp4dbg_get_resp_str(resp.resp_id),
resp.resp_id);
break;
}
}
}
static s32 isp4sd_fw_resp_thread(void *context)
{
struct isp4_subdev_thread_param *para = context;
struct isp4_subdev *isp_subdev = para->isp_subdev;
struct isp4sd_thread_handler *thread_ctx =
&isp_subdev->fw_resp_thread[para->idx];
struct device *dev = isp_subdev->dev;
dev_dbg(dev, "[%u] fw resp thread started\n", para->idx);
while (true) {
wait_event_interruptible(thread_ctx->waitq,
thread_ctx->resp_ready);
thread_ctx->resp_ready = false;
if (kthread_should_stop()) {
dev_dbg(dev, "[%u] fw resp thread quit\n", para->idx);
break;
}
isp4sd_fw_resp_func(isp_subdev, para->idx);
}
return 0;
}
static int isp4sd_stop_resp_proc_threads(struct isp4_subdev *isp_subdev)
{
for (unsigned int i = 0; i < ISP4SD_MAX_FW_RESP_STREAM_NUM; i++) {
struct isp4sd_thread_handler *thread_ctx =
&isp_subdev->fw_resp_thread[i];
if (thread_ctx->thread) {
kthread_stop(thread_ctx->thread);
thread_ctx->thread = NULL;
}
}
return 0;
}
static int isp4sd_start_resp_proc_threads(struct isp4_subdev *isp_subdev)
{
struct device *dev = isp_subdev->dev;
for (unsigned int i = 0; i < ISP4SD_MAX_FW_RESP_STREAM_NUM; i++) {
struct isp4sd_thread_handler *thread_ctx =
&isp_subdev->fw_resp_thread[i];
isp_subdev->isp_resp_para[i].idx = i;
isp_subdev->isp_resp_para[i].isp_subdev = isp_subdev;
init_waitqueue_head(&thread_ctx->waitq);
thread_ctx->resp_ready = false;
thread_ctx->thread = kthread_run(isp4sd_fw_resp_thread,
&isp_subdev->isp_resp_para[i],
isp4sd_thread_name[i]);
if (IS_ERR(thread_ctx->thread)) {
dev_err(dev, "create thread [%d] fail\n", i);
thread_ctx->thread = NULL;
isp4sd_stop_resp_proc_threads(isp_subdev);
return -EINVAL;
}
}
return 0;
}
int isp4sd_pwroff_and_deinit(struct v4l2_subdev *sd)
{
struct isp4_subdev *isp_subdev = to_isp4_subdev(sd);
struct isp4sd_sensor_info *sensor_info = &isp_subdev->sensor_info;
unsigned int perf_state = ISP4SD_PERFORMANCE_STATE_LOW;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
int ret;
guard(mutex)(&isp_subdev->ops_mutex);
if (sensor_info->status == ISP4SD_START_STATUS_STARTED) {
dev_err(dev, "fail for stream still running\n");
return -EINVAL;
}
sensor_info->status = ISP4SD_START_STATUS_OFF;
if (isp_subdev->irq_enabled) {
for (unsigned int i = 0; i < ISP4SD_MAX_FW_RESP_STREAM_NUM; i++)
disable_irq(isp_subdev->irq[i]);
isp_subdev->irq_enabled = false;
}
isp4sd_stop_resp_proc_threads(isp_subdev);
dev_dbg(dev, "isp_subdev stop resp proc threads suc\n");
isp4if_stop(ispif);
ret = dev_pm_genpd_set_performance_state(dev, perf_state);
if (ret)
dev_err(dev,
"fail to set isp_subdev performance state %u,ret %d\n",
perf_state, ret);
isp4hw_wreg(isp_subdev->mmio, ISP_SOFT_RESET, 0);
isp4hw_wreg(isp_subdev->mmio, ISP_POWER_STATUS, 0);
ret = pm_runtime_put_sync(dev);
if (ret)
dev_err(dev, "power off isp_subdev fail %d\n", ret);
else
dev_dbg(dev, "power off isp_subdev suc\n");
ispif->status = ISP4IF_STATUS_PWR_OFF;
isp4if_clear_cmdq(ispif);
isp4sd_module_enable(isp_subdev, false);
msleep(20);
return 0;
}
int isp4sd_pwron_and_init(struct v4l2_subdev *sd)
{
struct isp4_subdev *isp_subdev = to_isp4_subdev(sd);
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
int ret;
guard(mutex)(&isp_subdev->ops_mutex);
if (ispif->status == ISP4IF_STATUS_FW_RUNNING) {
dev_dbg(dev, "camera already opened, do nothing\n");
return 0;
}
isp4sd_module_enable(isp_subdev, true);
if (ispif->status < ISP4IF_STATUS_PWR_ON) {
unsigned int perf_state = ISP4SD_PERFORMANCE_STATE_HIGH;
ret = pm_runtime_resume_and_get(dev);
if (ret) {
dev_err(dev, "fail to power on isp_subdev ret %d\n",
ret);
goto err_deinit;
}
isp4hw_wreg(isp_subdev->mmio, ISP_POWER_STATUS, 0x7FF);
ret = dev_pm_genpd_set_performance_state(dev, perf_state);
if (ret) {
dev_err(dev,
"fail to set performance state %u, ret %d\n",
perf_state, ret);
goto err_deinit;
}
ispif->status = ISP4IF_STATUS_PWR_ON;
}
isp_subdev->sensor_info.start_stream_cmd_sent = false;
isp_subdev->sensor_info.buf_sent_cnt = 0;
ret = isp4if_start(ispif);
if (ret) {
dev_err(dev, "fail to start isp_subdev interface\n");
goto err_deinit;
}
if (isp4sd_start_resp_proc_threads(isp_subdev)) {
dev_err(dev, "isp_start_resp_proc_threads fail\n");
goto err_deinit;
}
dev_dbg(dev, "create resp threads ok\n");
for (unsigned int i = 0; i < ISP4SD_MAX_FW_RESP_STREAM_NUM; i++)
enable_irq(isp_subdev->irq[i]);
isp_subdev->irq_enabled = true;
return 0;
err_deinit:
isp4sd_pwroff_and_deinit(sd);
return -EINVAL;
}
static int isp4sd_stop_stream(struct isp4_subdev *isp_subdev,
struct v4l2_subdev_state *state, u32 pad)
{
struct isp4sd_sensor_info *sensor_info = &isp_subdev->sensor_info;
struct isp4sd_output_info *output_info = &sensor_info->output_info;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
guard(mutex)(&isp_subdev->ops_mutex);
dev_dbg(dev, "status %i\n", output_info->start_status);
if (output_info->start_status == ISP4SD_START_STATUS_STARTED) {
struct isp4fw_cmd_enable_out_ch cmd_ch_disable;
int ret;
memset(&cmd_ch_disable, 0, sizeof(cmd_ch_disable));
cmd_ch_disable.ch = ISP4FW_ISP_PIPE_OUT_CH_PREVIEW;
ret = isp4if_send_command_sync(ispif,
ISP4FW_CMD_ID_ENABLE_OUT_CHAN,
&cmd_ch_disable,
sizeof(cmd_ch_disable));
if (ret)
dev_err(dev, "fail to disable stream\n");
else
dev_dbg(dev, "wait disable stream suc\n");
ret = isp4if_send_command_sync(ispif, ISP4FW_CMD_ID_STOP_STREAM,
NULL, 0);
if (ret)
dev_err(dev, "fail to stop stream\n");
else
dev_dbg(dev, "wait stop stream suc\n");
}
isp4sd_uninit_stream(isp_subdev, state, pad);
return 0;
}
static int isp4sd_start_stream(struct isp4_subdev *isp_subdev,
struct v4l2_subdev_state *state, u32 pad)
{
struct isp4sd_output_info *output_info =
&isp_subdev->sensor_info.output_info;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = isp_subdev->dev;
int ret;
guard(mutex)(&isp_subdev->ops_mutex);
if (ispif->status != ISP4IF_STATUS_FW_RUNNING) {
dev_err(dev, "fail, bad fsm %d\n", ispif->status);
return -EINVAL;
}
switch (output_info->start_status) {
case ISP4SD_START_STATUS_OFF:
break;
case ISP4SD_START_STATUS_STARTED:
dev_dbg(dev, "stream already started, do nothing\n");
return 0;
case ISP4SD_START_STATUS_START_FAIL:
dev_err(dev, "stream previously failed to start\n");
return -EINVAL;
}
ret = isp4sd_init_stream(isp_subdev);
if (ret) {
dev_err(dev, "fail to init isp_subdev stream\n");
goto err_stop_stream;
}
ret = isp4sd_setup_output(isp_subdev, state, pad);
if (ret) {
dev_err(dev, "fail to setup output\n");
goto err_stop_stream;
}
return 0;
err_stop_stream:
isp4sd_stop_stream(isp_subdev, state, pad);
return ret;
}
int isp4sd_ioc_send_img_buf(struct v4l2_subdev *sd,
struct isp4if_img_buf_info *buf_info)
{
struct isp4_subdev *isp_subdev = to_isp4_subdev(sd);
struct isp4_interface *ispif = &isp_subdev->ispif;
struct isp4if_img_buf_node *buf_node;
struct device *dev = isp_subdev->dev;
int ret;
guard(mutex)(&isp_subdev->ops_mutex);
if (ispif->status != ISP4IF_STATUS_FW_RUNNING) {
dev_err(dev, "fail send img buf for bad fsm %d\n",
ispif->status);
return -EINVAL;
}
buf_node = isp4if_alloc_buffer_node(buf_info);
if (!buf_node) {
dev_err(dev, "fail alloc sys img buf info node\n");
return -ENOMEM;
}
ret = isp4if_queue_buffer(ispif, buf_node);
if (ret) {
dev_err(dev, "fail to queue image buf, %d\n", ret);
goto error_release_buf_node;
}
if (!isp_subdev->sensor_info.start_stream_cmd_sent) {
isp_subdev->sensor_info.buf_sent_cnt++;
if (isp_subdev->sensor_info.buf_sent_cnt >=
ISP4SD_MIN_BUF_CNT_BEF_START_STREAM) {
ret = isp4if_send_command(ispif,
ISP4FW_CMD_ID_START_STREAM,
NULL, 0);
if (ret) {
dev_err(dev, "fail to START_STREAM");
goto error_release_buf_node;
}
isp_subdev->sensor_info.start_stream_cmd_sent = true;
isp_subdev->sensor_info.output_info.start_status =
ISP4SD_START_STATUS_STARTED;
isp_subdev->sensor_info.status =
ISP4SD_START_STATUS_STARTED;
} else {
dev_dbg(dev,
"no send start, required %u, buf sent %u\n",
ISP4SD_MIN_BUF_CNT_BEF_START_STREAM,
isp_subdev->sensor_info.buf_sent_cnt);
}
}
return 0;
error_release_buf_node:
isp4if_dealloc_buffer_node(buf_node);
return ret;
}
static const struct v4l2_subdev_video_ops isp4sd_video_ops = {
.s_stream = v4l2_subdev_s_stream_helper,
};
static int isp4sd_set_pad_format(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *format)
{
struct isp4sd_output_info *stream_info =
&(to_isp4_subdev(sd)->sensor_info.output_info);
struct v4l2_mbus_framefmt *fmt;
fmt = v4l2_subdev_state_get_format(sd_state, format->pad);
if (!fmt) {
dev_err(sd->dev, "fail to get state format\n");
return -EINVAL;
}
*fmt = format->format;
switch (fmt->code) {
case MEDIA_BUS_FMT_YUYV8_1X16:
stream_info->image_size = fmt->width * fmt->height * 2;
break;
case MEDIA_BUS_FMT_YUYV8_1_5X8:
default:
stream_info->image_size = fmt->width * fmt->height * 3 / 2;
break;
}
if (!stream_info->image_size) {
dev_err(sd->dev,
"fail set pad format,code 0x%x,width %u, height %u\n",
fmt->code, fmt->width, fmt->height);
return -EINVAL;
}
dev_dbg(sd->dev, "set pad format suc, code:%x w:%u h:%u size:%u\n",
fmt->code, fmt->width, fmt->height,
stream_info->image_size);
return 0;
}
static int isp4sd_enable_streams(struct v4l2_subdev *sd,
struct v4l2_subdev_state *state, u32 pad,
u64 streams_mask)
{
struct isp4_subdev *isp_subdev = to_isp4_subdev(sd);
return isp4sd_start_stream(isp_subdev, state, pad);
}
static int isp4sd_disable_streams(struct v4l2_subdev *sd,
struct v4l2_subdev_state *state, u32 pad,
u64 streams_mask)
{
struct isp4_subdev *isp_subdev = to_isp4_subdev(sd);
return isp4sd_stop_stream(isp_subdev, state, pad);
}
static const struct v4l2_subdev_pad_ops isp4sd_pad_ops = {
.get_fmt = v4l2_subdev_get_fmt,
.set_fmt = isp4sd_set_pad_format,
.enable_streams = isp4sd_enable_streams,
.disable_streams = isp4sd_disable_streams,
};
static const struct v4l2_subdev_ops isp4sd_subdev_ops = {
.video = &isp4sd_video_ops,
.pad = &isp4sd_pad_ops,
};
int isp4sd_init(struct isp4_subdev *isp_subdev, struct v4l2_device *v4l2_dev,
int irq[ISP4SD_MAX_FW_RESP_STREAM_NUM])
{
struct isp4sd_sensor_info *sensor_info = &isp_subdev->sensor_info;
struct isp4_interface *ispif = &isp_subdev->ispif;
struct device *dev = v4l2_dev->dev;
int ret;
isp_subdev->dev = dev;
v4l2_subdev_init(&isp_subdev->sdev, &isp4sd_subdev_ops);
isp_subdev->sdev.owner = THIS_MODULE;
isp_subdev->sdev.dev = dev;
snprintf(isp_subdev->sdev.name, sizeof(isp_subdev->sdev.name), "%s",
dev_name(dev));
isp_subdev->sdev.entity.name = isp4sd_entity_name;
isp_subdev->sdev.entity.function = MEDIA_ENT_F_PROC_VIDEO_ISP;
isp_subdev->sdev_pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&isp_subdev->sdev.entity, 1,
&isp_subdev->sdev_pad);
if (ret) {
dev_err(dev, "fail to init isp4 subdev entity pad %d\n", ret);
return ret;
}
ret = v4l2_subdev_init_finalize(&isp_subdev->sdev);
if (ret < 0) {
dev_err(dev, "fail to init finalize isp4 subdev %d\n",
ret);
return ret;
}
ret = v4l2_device_register_subdev(v4l2_dev, &isp_subdev->sdev);
if (ret) {
dev_err(dev, "fail to register isp4 subdev to V4L2 device %d\n",
ret);
goto err_media_clean_up;
}
isp4if_init(ispif, dev, isp_subdev->mmio);
mutex_init(&isp_subdev->ops_mutex);
sensor_info->status = ISP4SD_START_STATUS_OFF;
isp_subdev->enable_gpio = devm_gpiod_get(isp_subdev->dev,
"enable_isp",
GPIOD_OUT_LOW);
if (IS_ERR(isp_subdev->enable_gpio)) {
ret = PTR_ERR(isp_subdev->enable_gpio);
dev_err(dev, "fail to get gpiod %d\n", ret);
goto err_subdev_unreg;
}
for (unsigned int i = 0; i < ISP4SD_MAX_FW_RESP_STREAM_NUM; i++)
isp_subdev->irq[i] = irq[i];
isp_subdev->host2fw_seq_num = 1;
ispif->status = ISP4IF_STATUS_PWR_OFF;
ret = isp4vid_dev_init(&isp_subdev->isp_vdev, &isp_subdev->sdev);
if (ret)
goto err_subdev_unreg;
return 0;
err_subdev_unreg:
v4l2_device_unregister_subdev(&isp_subdev->sdev);
err_media_clean_up:
v4l2_subdev_cleanup(&isp_subdev->sdev);
media_entity_cleanup(&isp_subdev->sdev.entity);
return ret;
}
void isp4sd_deinit(struct isp4_subdev *isp_subdev)
{
struct isp4_interface *ispif = &isp_subdev->ispif;
isp4vid_dev_deinit(&isp_subdev->isp_vdev);
v4l2_device_unregister_subdev(&isp_subdev->sdev);
media_entity_cleanup(&isp_subdev->sdev.entity);
isp4if_deinit(ispif);
isp4sd_module_enable(isp_subdev, false);
ispif->status = ISP4IF_STATUS_PWR_OFF;
}
