void msm_vpe_subdev_release(void)
{
if (!atomic_read(&vpe_init_done)) {
/* no VPE object created */
pr_err("%s: no VPE object to release", __func__);
return;
}
#ifdef CONFIG_MACH_MSM8960_STARQ
if (vpe_ctrl->vpebase != NULL) {
vpe_reset();
iounmap(vpe_ctrl->vpebase);
vpe_ctrl->vpebase = NULL;
}
vpe_disable();
#else
vpe_reset();
vpe_disable();
iounmap(vpe_ctrl->vpebase);
vpe_ctrl->vpebase = NULL;
#endif
atomic_set(&vpe_init_done, 0);
}
static long msm_vpe_subdev_ioctl(struct v4l2_subdev *sd,
unsigned int subdev_cmd, void *arg)
{
struct msm_mctl_pp_params *vpe_params;
struct msm_mctl_pp_cmd *cmd;
int rc = 0;
if (subdev_cmd == VIDIOC_MSM_VPE_INIT) {
struct msm_cam_media_controller *mctl =
(struct msm_cam_media_controller *)arg;
msm_vpe_subdev_init(sd, mctl);
} else if (subdev_cmd == VIDIOC_MSM_VPE_RELEASE) {
msm_vpe_subdev_release();
} else if (subdev_cmd == VIDIOC_MSM_VPE_CFG) {
vpe_params = (struct msm_mctl_pp_params *)arg;
cmd = vpe_params->cmd;
switch (cmd->id) {
case VPE_CMD_INIT:
case VPE_CMD_DEINIT:
break;
case VPE_CMD_RESET:
rc = vpe_reset();
break;
case VPE_CMD_OPERATION_MODE_CFG:
rc = vpe_operation_config(cmd->value);
break;
case VPE_CMD_INPUT_PLANE_CFG:
vpe_input_plane_config(cmd->value);
break;
case VPE_CMD_OUTPUT_PLANE_CFG:
vpe_output_plane_config(cmd->value);
break;
case VPE_CMD_SCALE_CFG_TYPE:
vpe_update_scale_coef(cmd->value);
break;
case VPE_CMD_ZOOM: {
rc = msm_vpe_do_pp(cmd,
(struct msm_mctl_pp_frame_info *)vpe_params->data);
break;
}
case VPE_CMD_ENABLE: {
struct msm_vpe_clock_rate *clk_rate = cmd->value;
int turbo_mode = (int)clk_rate->rate;
rc = turbo_mode ?
vpe_enable(VPE_TURBO_MODE_CLOCK_RATE) :
vpe_enable(VPE_NORMAL_MODE_CLOCK_RATE);
break;
}
case VPE_CMD_DISABLE:
rc = vpe_disable();
break;
case VPE_CMD_INPUT_PLANE_UPDATE:
case VPE_CMD_FLUSH:
default:
break;
}
CDBG("%s: end, id = %d, rc = %d", __func__, cmd->id, rc);
}
return rc;
}
void msm_vpe_subdev_release(void)
{
if (!atomic_read(&vpe_init_done)) {
pr_err("%s: no VPE object to release", __func__);
return;
}
vpe_reset();
vpe_disable();
iounmap(vpe_ctrl->vpebase);
vpe_ctrl->vpebase = NULL;
atomic_set(&vpe_init_done, 0);
}
void msm_vpe_subdev_release(struct v4l2_subdev *sd)
{
struct msm_cam_media_controller *mctl;
mctl = v4l2_get_subdev_hostdata(sd);
if (!atomic_read(&vpe_init_done)) {
/* no VPE object created */
pr_err("%s: no VPE object to release", __func__);
return;
}
vpe_reset();
vpe_disable(mctl);
iounmap(vpe_ctrl->vpebase);
vpe_ctrl->vpebase = NULL;
atomic_set(&vpe_init_done, 0);
}
void msm_vpe_subdev_release(struct platform_device *pdev)
{
if (!atomic_read(&vpe_init_done)) {
/* no VPE object created */
pr_err("%s: no VPE object to release", __func__);
return;
}
if (vpe_ctrl->vpebase != NULL) {
vpe_reset();
iounmap(vpe_ctrl->vpebase);
vpe_ctrl->vpebase = NULL;
}
vpe_disable();
atomic_set(&vpe_init_done, 0);
}
static int vpe_proc_general(struct msm_vpe_cmd *cmd)
{
int rc = 0;
uint32_t *cmdp = NULL;
struct msm_queue_cmd *qcmd = NULL;
struct msm_vpe_buf_info *vpe_buf;
int turbo_mode = 0;
struct msm_sync *sync = (struct msm_sync *)vpe_ctrl->syncdata;
CDBG("vpe_proc_general: cmdID = %s, length = %d\n",
vpe_general_cmd[cmd->id], cmd->length);
switch (cmd->id) {
case VPE_ENABLE:
cmdp = kmalloc(cmd->length, GFP_ATOMIC);
if (!cmdp) {
rc = -ENOMEM;
goto vpe_proc_general_done;
}
if (copy_from_user(cmdp,
(void __user *)(cmd->value),
cmd->length)) {
rc = -EFAULT;
goto vpe_proc_general_done;
}
turbo_mode = *((int *)(cmd->value));
rc = turbo_mode ? vpe_enable(VPE_TURBO_MODE_CLOCK_RATE)
: vpe_enable(VPE_NORMAL_MODE_CLOCK_RATE);
break;
case VPE_DISABLE:
rc = vpe_disable();
break;
case VPE_RESET:
case VPE_ABORT:
rc = vpe_reset();
break;
case VPE_START:
rc = vpe_start();
break;
case VPE_INPUT_PLANE_CFG:
cmdp = kmalloc(cmd->length, GFP_ATOMIC);
if (!cmdp) {
rc = -ENOMEM;
goto vpe_proc_general_done;
}
if (copy_from_user(cmdp,
(void __user *)(cmd->value),
cmd->length)) {
rc = -EFAULT;
goto vpe_proc_general_done;
}
vpe_input_plane_config(cmdp);
break;
case VPE_OPERATION_MODE_CFG:
CDBG("cmd->length = %d\n", cmd->length);
if (cmd->length != VPE_OPERATION_MODE_CFG_LEN_ZSL) {
rc = -EINVAL;
goto vpe_proc_general_done;
}
cmdp = kmalloc(VPE_OPERATION_MODE_CFG_LEN_ZSL,
GFP_ATOMIC);
if (copy_from_user(cmdp,
(void __user *)(cmd->value),
VPE_OPERATION_MODE_CFG_LEN_ZSL)) {
rc = -EFAULT;
goto vpe_proc_general_done;
}
rc = vpe_operation_config(cmdp);
CDBG("rc = %d \n", rc);
break;
case VPE_OUTPUT_PLANE_CFG:
cmdp = kmalloc(cmd->length, GFP_ATOMIC);
if (!cmdp) {
rc = -ENOMEM;
goto vpe_proc_general_done;
}
if (copy_from_user(cmdp,
(void __user *)(cmd->value),
cmd->length)) {
rc = -EFAULT;
goto vpe_proc_general_done;
}
vpe_output_plane_config(cmdp);
break;
case VPE_SCALE_CFG_TYPE:
cmdp = kmalloc(cmd->length, GFP_ATOMIC);
if (!cmdp) {
rc = -ENOMEM;
goto vpe_proc_general_done;
}
if (copy_from_user(cmdp,
(void __user *)(cmd->value),
cmd->length)) {
rc = -EFAULT;
goto vpe_proc_general_done;
}
vpe_update_scale_coef(cmdp);
break;
case VPE_CMD_DIS_OFFSET_CFG: {
struct msm_vfe_resp *vdata;
/* first get the dis offset and frame id. */
cmdp = kmalloc(cmd->length, GFP_ATOMIC);
if (!cmdp) {
rc = -ENOMEM;
goto vpe_proc_general_done;
}
if (copy_from_user(cmdp,
(void __user *)(cmd->value),
cmd->length)) {
rc = -EFAULT;
goto vpe_proc_general_done;
}
/* get the offset. */
vpe_ctrl->dis_offset = *(struct dis_offset_type *)cmdp;
qcmd = msm_dequeue_vpe(&sync->vpe_q, list_vpe_frame);
if (!qcmd) {
pr_err("%s: no video frame.\n", __func__);
kfree(cmdp);
return -EAGAIN;
}
vdata = (struct msm_vfe_resp *)(qcmd->command);
vpe_buf = &vdata->vpe_bf;
vpe_update_scaler_with_dis(&(vpe_buf->vpe_crop),
&(vpe_ctrl->dis_offset));
msm_send_frame_to_vpe(vpe_buf->y_phy, vpe_buf->cbcr_phy,
&(vpe_buf->ts), OUTPUT_TYPE_V);
if (!qcmd || !atomic_read(&qcmd->on_heap)) {
kfree(cmdp);
return -EAGAIN;
}
if (!atomic_sub_return(1, &qcmd->on_heap))
kfree(qcmd);
break;
}
default:
break;
}
vpe_proc_general_done:
kfree(cmdp);
return rc;
}
static int msm_vpe_process_vpe_cmd(struct msm_vpe_cfg_cmd *vpe_cmd,
struct msm_cam_media_controller *mctl)
{
int rc = 0;
switch (vpe_cmd->cmd_type) {
case VPE_CMD_RESET:
rc = vpe_reset();
break;
case VPE_CMD_OPERATION_MODE_CFG: {
struct msm_vpe_op_mode_cfg op_mode_cfg;
if (sizeof(struct msm_vpe_op_mode_cfg) != vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_op_mode_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &op_mode_cfg, (void __user *)vpe_cmd->value,
sizeof(op_mode_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&op_mode_cfg;
rc = vpe_operation_config(vpe_cmd->value);
break;
}
case VPE_CMD_INPUT_PLANE_CFG: {
struct msm_vpe_input_plane_cfg input_cfg;
if (sizeof(struct msm_vpe_input_plane_cfg) != vpe_cmd->length) {
pr_err("%s: mismatch cmd = %d, len = %d, expected = %d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_input_plane_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &input_cfg, (void __user *)vpe_cmd->value,
sizeof(input_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&input_cfg;
vpe_input_plane_config(vpe_cmd->value);
break;
}
case VPE_CMD_OUTPUT_PLANE_CFG: {
struct msm_vpe_output_plane_cfg output_cfg;
if (sizeof(struct msm_vpe_output_plane_cfg) !=
vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_output_plane_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &output_cfg, (void __user *)vpe_cmd->value,
sizeof(output_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&output_cfg;
vpe_output_plane_config(vpe_cmd->value);
break;
}
case VPE_CMD_SCALE_CFG_TYPE:{
struct msm_vpe_scaler_cfg scaler_cfg;
if (sizeof(struct msm_vpe_scaler_cfg) != vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_scaler_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &scaler_cfg, (void __user *)vpe_cmd->value,
sizeof(scaler_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&scaler_cfg;
vpe_update_scale_coef(vpe_cmd->value);
break;
}
case VPE_CMD_ZOOM: {
struct msm_mctl_pp_frame_info *zoom;
zoom = kmalloc(sizeof(struct msm_mctl_pp_frame_info),
GFP_ATOMIC);
if (!zoom) {
pr_err("%s Not enough memory ", __func__);
rc = -ENOMEM;
break;
}
if (sizeof(zoom->pp_frame_cmd) != vpe_cmd->length) {
pr_err("%s: size mismatch id=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(zoom->pp_frame_cmd));
rc = -EINVAL;
kfree(zoom);
break;
}
COPY_FROM_USER(rc, &zoom->pp_frame_cmd,
(void __user *)vpe_cmd->value,
sizeof(zoom->pp_frame_cmd));
if (rc) {
ERR_COPY_FROM_USER();
kfree(zoom);
break;
}
zoom->user_cmd = vpe_cmd->cmd_type;
zoom->p_mctl = v4l2_get_subdev_hostdata(&vpe_ctrl->subdev);
D("%s: cookie=0x%x,action=0x%x,path=0x%x",
__func__, zoom->pp_frame_cmd.cookie,
zoom->pp_frame_cmd.vpe_output_action,
zoom->pp_frame_cmd.path);
D("%s Mapping Source frame ", __func__);
zoom->src_frame.frame = zoom->pp_frame_cmd.src_frame;
rc = msm_mctl_map_user_frame(&zoom->src_frame,
zoom->p_mctl->client, mctl->domain_num);
if (rc < 0) {
pr_err("%s Error mapping source buffer rc = %d",
__func__, rc);
kfree(zoom);
break;
}
D("%s Mapping Destination frame ", __func__);
zoom->dest_frame.frame = zoom->pp_frame_cmd.dest_frame;
rc = msm_mctl_map_user_frame(&zoom->dest_frame,
zoom->p_mctl->client, mctl->domain_num);
if (rc < 0) {
pr_err("%s Error mapping dest buffer rc = %d",
__func__, rc);
msm_mctl_unmap_user_frame(&zoom->src_frame,
zoom->p_mctl->client, mctl->domain_num);
kfree(zoom);
break;
}
rc = msm_vpe_do_pp(zoom);
break;
}
case VPE_CMD_ENABLE: {
struct msm_vpe_clock_rate clk_rate;
int turbo_mode;
if (sizeof(struct msm_vpe_clock_rate) != vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_clock_rate));
rc = -EINVAL;
break;
}
if (copy_from_user(&clk_rate, (void __user *)vpe_cmd->value,
sizeof(struct msm_vpe_clock_rate))) {
pr_err("%s:clk_rate copy failed", __func__);
return -EFAULT;
}
turbo_mode = (int)clk_rate.rate;
rc = turbo_mode ? vpe_enable(VPE_TURBO_MODE_CLOCK_RATE, mctl) :
vpe_enable(VPE_NORMAL_MODE_CLOCK_RATE, mctl);
break;
}
case VPE_CMD_DISABLE:
#ifdef CONFIG_PANTECH_CAMERA
if (vpe_ctrl->pp_frame_info) {
pr_err("%s : vpe_ctrl->pp_frame_info = %p ", __func__, vpe_ctrl->pp_frame_info);
msm_mctl_unmap_user_frame(&vpe_ctrl->pp_frame_info->src_frame,
vpe_ctrl->pp_frame_info->p_mctl->client, mctl->domain_num);
msm_mctl_unmap_user_frame(&vpe_ctrl->pp_frame_info->dest_frame,
vpe_ctrl->pp_frame_info->p_mctl->client, mctl->domain_num);
kfree(vpe_ctrl->pp_frame_info);
vpe_ctrl->pp_frame_info = NULL;
}
#endif
rc = vpe_disable(mctl);
break;
default:
break;
}
return rc;
}
static int msm_vpe_process_vpe_cmd(struct msm_vpe_cfg_cmd *vpe_cmd)
{
int rc = 0;
switch (vpe_cmd->cmd_type) {
case VPE_CMD_RESET:
rc = vpe_reset();
break;
case VPE_CMD_OPERATION_MODE_CFG: {
struct msm_vpe_op_mode_cfg op_mode_cfg;
if (sizeof(struct msm_vpe_op_mode_cfg) != vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_op_mode_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &op_mode_cfg, (void __user *)vpe_cmd->value,
sizeof(op_mode_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&op_mode_cfg;
rc = vpe_operation_config(vpe_cmd->value);
break;
}
case VPE_CMD_INPUT_PLANE_CFG: {
struct msm_vpe_input_plane_cfg input_cfg;
if (sizeof(struct msm_vpe_input_plane_cfg) != vpe_cmd->length) {
pr_err("%s: mismatch cmd = %d, len = %d, expected = %d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_input_plane_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &input_cfg, (void __user *)vpe_cmd->value,
sizeof(input_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&input_cfg;
vpe_input_plane_config(vpe_cmd->value);
break;
}
case VPE_CMD_OUTPUT_PLANE_CFG: {
struct msm_vpe_output_plane_cfg output_cfg;
if (sizeof(struct msm_vpe_output_plane_cfg) !=
vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_output_plane_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &output_cfg, (void __user *)vpe_cmd->value,
sizeof(output_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&output_cfg;
vpe_output_plane_config(vpe_cmd->value);
break;
}
case VPE_CMD_SCALE_CFG_TYPE:{
struct msm_vpe_scaler_cfg scaler_cfg;
if (sizeof(struct msm_vpe_scaler_cfg) != vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_scaler_cfg));
rc = -EINVAL;
break;
}
COPY_FROM_USER(rc, &scaler_cfg, (void __user *)vpe_cmd->value,
sizeof(scaler_cfg));
if (rc) {
ERR_COPY_FROM_USER();
break;
}
vpe_cmd->value = (void *)&scaler_cfg;
vpe_update_scale_coef(vpe_cmd->value);
break;
}
case VPE_CMD_ZOOM: {
struct msm_mctl_pp_frame_info *zoom;
zoom = kmalloc(sizeof(struct msm_mctl_pp_frame_info),
GFP_ATOMIC);
if (!zoom) {
pr_err("%s Not enough memory ", __func__);
rc = -ENOMEM;
break;
}
if (sizeof(zoom->pp_frame_cmd) != vpe_cmd->length) {
pr_err("%s: size mismatch id=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(zoom->pp_frame_cmd));
rc = -EINVAL;
kfree(zoom);
break;
}
COPY_FROM_USER(rc, &zoom->pp_frame_cmd,
(void __user *)vpe_cmd->value,
sizeof(zoom->pp_frame_cmd));
if (rc) {
ERR_COPY_FROM_USER();
kfree(zoom);
break;
}
zoom->user_cmd = vpe_cmd->cmd_type;
zoom->p_mctl = v4l2_get_subdev_hostdata(&vpe_ctrl->subdev);
D("%s: src=0x%x, dest=0x%x,cookie=0x%x,action=0x%x,path=0x%x",
__func__, zoom->pp_frame_cmd.src_buf_handle,
zoom->pp_frame_cmd.dest_buf_handle,
zoom->pp_frame_cmd.cookie,
zoom->pp_frame_cmd.vpe_output_action,
zoom->pp_frame_cmd.path);
rc = msm_mctl_pp_get_vpe_buf_info(zoom);
if (rc < 0) {
pr_err("%s Error getting buffer info from mctl rc = %d",
__func__, rc);
kfree(zoom);
break;
}
rc = msm_vpe_do_pp(zoom);
kfree(zoom);
break;
}
case VPE_CMD_ENABLE: {
struct msm_vpe_clock_rate clk_rate;
int turbo_mode;
if (sizeof(struct msm_vpe_clock_rate) != vpe_cmd->length) {
pr_err("%s: size mismatch cmd=%d, len=%d, expected=%d",
__func__, vpe_cmd->cmd_type, vpe_cmd->length,
sizeof(struct msm_vpe_clock_rate));
rc = -EINVAL;
break;
}
if (copy_from_user(&clk_rate, (void __user *)vpe_cmd->value,
sizeof(struct msm_vpe_clock_rate))) {
pr_err("%s:clk_rate copy failed", __func__);
return -EFAULT;
}
turbo_mode = (int)clk_rate.rate;
rc = turbo_mode ? vpe_enable(VPE_TURBO_MODE_CLOCK_RATE) :
vpe_enable(VPE_NORMAL_MODE_CLOCK_RATE);
break;
}
case VPE_CMD_DISABLE:
rc = vpe_disable();
break;
default:
break;
}
return rc;
}