static int mxc_ipu_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret = 0;
switch (cmd) {
case IPU_INIT_CHANNEL:
{
ipu_channel_parm parm;
if (copy_from_user
(&parm, (ipu_channel_parm *) arg,
sizeof(ipu_channel_parm))) {
return -EFAULT;
}
if (!parm.flag) {
ret =
ipu_init_channel(parm.channel,
&parm.params);
} else {
ret = ipu_init_channel(parm.channel, NULL);
}
}
break;
case IPU_UNINIT_CHANNEL:
{
ipu_channel_t ch;
int __user *argp = (void __user *)arg;
if (get_user(ch, argp))
return -EFAULT;
ipu_uninit_channel(ch);
}
break;
case IPU_INIT_CHANNEL_BUFFER:
{
ipu_channel_buf_parm parm;
if (copy_from_user
(&parm, (ipu_channel_buf_parm *) arg,
sizeof(ipu_channel_buf_parm))) {
return -EFAULT;
}
ret =
ipu_init_channel_buffer(parm.channel, parm.type,
parm.pixel_fmt,
parm.width, parm.height,
parm.stride,
parm.rot_mode,
parm.phyaddr_0,
parm.phyaddr_1,
parm.u_offset,
parm.v_offset);
}
break;
case IPU_UPDATE_CHANNEL_BUFFER:
{
ipu_channel_buf_parm parm;
if (copy_from_user
(&parm, (ipu_channel_buf_parm *) arg,
sizeof(ipu_channel_buf_parm))) {
return -EFAULT;
}
if ((parm.phyaddr_0 != (dma_addr_t) NULL)
&& (parm.phyaddr_1 == (dma_addr_t) NULL)) {
ret =
ipu_update_channel_buffer(parm.channel,
parm.type,
parm.bufNum,
parm.phyaddr_0);
} else if ((parm.phyaddr_0 == (dma_addr_t) NULL)
&& (parm.phyaddr_1 != (dma_addr_t) NULL)) {
ret =
ipu_update_channel_buffer(parm.channel,
parm.type,
parm.bufNum,
parm.phyaddr_1);
} else {
ret = -1;
}
}
break;
case IPU_SELECT_CHANNEL_BUFFER:
{
ipu_channel_buf_parm parm;
if (copy_from_user
(&parm, (ipu_channel_buf_parm *) arg,
sizeof(ipu_channel_buf_parm))) {
return -EFAULT;
}
ret =
ipu_select_buffer(parm.channel, parm.type,
parm.bufNum);
}
break;
case IPU_LINK_CHANNELS:
{
ipu_channel_link link;
if (copy_from_user
(&link, (ipu_channel_link *) arg,
sizeof(ipu_channel_link))) {
return -EFAULT;
}
ret = ipu_link_channels(link.src_ch, link.dest_ch);
}
break;
case IPU_UNLINK_CHANNELS:
{
ipu_channel_link link;
if (copy_from_user
(&link, (ipu_channel_link *) arg,
sizeof(ipu_channel_link))) {
return -EFAULT;
}
ret = ipu_unlink_channels(link.src_ch, link.dest_ch);
}
break;
case IPU_ENABLE_CHANNEL:
{
ipu_channel_t ch;
int __user *argp = (void __user *)arg;
if (get_user(ch, argp))
return -EFAULT;
ipu_enable_channel(ch);
}
break;
case IPU_DISABLE_CHANNEL:
{
ipu_channel_info info;
if (copy_from_user
(&info, (ipu_channel_info *) arg,
sizeof(ipu_channel_info))) {
return -EFAULT;
}
ret = ipu_disable_channel(info.channel, info.stop);
}
break;
case IPU_ENABLE_IRQ:
{
uint32_t irq;
int __user *argp = (void __user *)arg;
if (get_user(irq, argp))
return -EFAULT;
ipu_enable_irq(irq);
}
break;
case IPU_DISABLE_IRQ:
{
uint32_t irq;
int __user *argp = (void __user *)arg;
if (get_user(irq, argp))
return -EFAULT;
ipu_disable_irq(irq);
}
break;
case IPU_CLEAR_IRQ:
{
uint32_t irq;
int __user *argp = (void __user *)arg;
if (get_user(irq, argp))
return -EFAULT;
ipu_clear_irq(irq);
}
break;
case IPU_FREE_IRQ:
{
ipu_irq_info info;
if (copy_from_user
(&info, (ipu_irq_info *) arg,
sizeof(ipu_irq_info))) {
return -EFAULT;
}
ipu_free_irq(info.irq, info.dev_id);
}
break;
case IPU_REQUEST_IRQ_STATUS:
{
uint32_t irq;
int __user *argp = (void __user *)arg;
if (get_user(irq, argp))
return -EFAULT;
ret = ipu_get_irq_status(irq);
}
break;
case IPU_SDC_INIT_PANEL:
{
ipu_sdc_panel_info sinfo;
if (copy_from_user
(&sinfo, (ipu_sdc_panel_info *) arg,
sizeof(ipu_sdc_panel_info))) {
return -EFAULT;
}
ret =
ipu_sdc_init_panel(sinfo.panel, sinfo.pixel_clk,
sinfo.width, sinfo.height,
sinfo.pixel_fmt,
sinfo.hStartWidth,
sinfo.hSyncWidth,
sinfo.hEndWidth,
sinfo.vStartWidth,
sinfo.vSyncWidth,
sinfo.vEndWidth, sinfo.signal);
}
break;
case IPU_SDC_SET_WIN_POS:
{
ipu_sdc_window_pos pos;
if (copy_from_user
(&pos, (ipu_sdc_window_pos *) arg,
sizeof(ipu_sdc_window_pos))) {
return -EFAULT;
}
ret =
ipu_sdc_set_window_pos(pos.channel, pos.x_pos,
pos.y_pos);
}
break;
case IPU_SDC_SET_GLOBAL_ALPHA:
{
ipu_sdc_global_alpha g;
if (copy_from_user
(&g, (ipu_sdc_global_alpha *) arg,
sizeof(ipu_sdc_global_alpha))) {
return -EFAULT;
}
ret = ipu_sdc_set_global_alpha(g.enable, g.alpha);
}
break;
case IPU_SDC_SET_COLOR_KEY:
{
ipu_sdc_color_key c;
if (copy_from_user
(&c, (ipu_sdc_color_key *) arg,
sizeof(ipu_sdc_color_key))) {
return -EFAULT;
}
ret =
ipu_sdc_set_color_key(c.channel, c.enable,
c.colorKey);
}
break;
case IPU_SDC_SET_BRIGHTNESS:
{
uint8_t b;
int __user *argp = (void __user *)arg;
if (get_user(b, argp))
return -EFAULT;
ret = ipu_sdc_set_brightness(b);
}
break;
case IPU_REGISTER_GENERIC_ISR:
{
ipu_event_info info;
if (copy_from_user
(&info, (ipu_event_info *) arg,
sizeof(ipu_event_info))) {
return -EFAULT;
}
ret =
ipu_request_irq(info.irq, mxc_ipu_generic_handler,
0, "video_sink", info.dev);
}
break;
case IPU_GET_EVENT:
/* User will have to allocate event_type structure and pass the pointer in arg */
{
event_type ev;
int r = -1;
r = get_events(&ev);
if (r == -1) {
wait_event_interruptible(waitq,
(pending_events != 0));
r = get_events(&ev);
}
ret = -1;
if (r == 0) {
if (!copy_to_user((event_type *) arg, &ev,
sizeof(event_type))) {
ret = 0;
}
}
}
break;
case IPU_ADC_WRITE_TEMPLATE:
{
ipu_adc_template temp;
if (copy_from_user
(&temp, (ipu_adc_template *) arg, sizeof(temp))) {
return -EFAULT;
}
ret =
ipu_adc_write_template(temp.disp, temp.pCmd,
temp.write);
}
break;
case IPU_ADC_UPDATE:
{
ipu_adc_update update;
if (copy_from_user
(&update, (ipu_adc_update *) arg, sizeof(update))) {
return -EFAULT;
}
ret =
ipu_adc_set_update_mode(update.channel, update.mode,
update.refresh_rate,
update.addr, update.size);
}
break;
case IPU_ADC_SNOOP:
{
ipu_adc_snoop snoop;
if (copy_from_user
(&snoop, (ipu_adc_snoop *) arg, sizeof(snoop))) {
return -EFAULT;
}
ret =
ipu_adc_get_snooping_status(snoop.statl,
snoop.stath);
}
break;
case IPU_ADC_CMD:
{
ipu_adc_cmd cmd;
if (copy_from_user
(&cmd, (ipu_adc_cmd *) arg, sizeof(cmd))) {
return -EFAULT;
}
ret =
ipu_adc_write_cmd(cmd.disp, cmd.type, cmd.cmd,
cmd.params, cmd.numParams);
}
break;
case IPU_ADC_INIT_PANEL:
{
ipu_adc_panel panel;
if (copy_from_user
(&panel, (ipu_adc_panel *) arg, sizeof(panel))) {
return -EFAULT;
}
ret =
ipu_adc_init_panel(panel.disp, panel.width,
panel.height, panel.pixel_fmt,
panel.stride, panel.signal,
panel.addr, panel.vsync_width,
panel.mode);
}
break;
case IPU_ADC_IFC_TIMING:
{
ipu_adc_ifc_timing t;
if (copy_from_user
(&t, (ipu_adc_ifc_timing *) arg, sizeof(t))) {
return -EFAULT;
}
ret =
ipu_adc_init_ifc_timing(t.disp, t.read,
t.cycle_time, t.up_time,
t.down_time,
t.read_latch_time,
t.pixel_clk);
}
break;
case IPU_CSI_INIT_INTERFACE:
{
ipu_csi_interface c;
if (copy_from_user
(&c, (ipu_csi_interface *) arg, sizeof(c)))
return -EFAULT;
ret =
ipu_csi_init_interface(c.width, c.height,
c.pixel_fmt, c.signal);
}
break;
case IPU_CSI_ENABLE_MCLK:
{
ipu_csi_mclk m;
if (copy_from_user(&m, (ipu_csi_mclk *) arg, sizeof(m)))
return -EFAULT;
ret = ipu_csi_enable_mclk(m.src, m.flag, m.wait);
}
break;
case IPU_CSI_READ_MCLK_FLAG:
{
ret = ipu_csi_read_mclk_flag();
}
break;
case IPU_CSI_FLASH_STROBE:
{
bool strobe;
int __user *argp = (void __user *)arg;
if (get_user(strobe, argp))
return -EFAULT;
ipu_csi_flash_strobe(strobe);
}
break;
case IPU_CSI_GET_WIN_SIZE:
{
ipu_csi_window_size w;
ipu_csi_get_window_size(&w.width, &w.height);
if (copy_to_user
((ipu_csi_window_size *) arg, &w, sizeof(w)))
return -EFAULT;
}
break;
case IPU_CSI_SET_WIN_SIZE:
{
ipu_csi_window_size w;
if (copy_from_user
(&w, (ipu_csi_window_size *) arg, sizeof(w)))
return -EFAULT;
ipu_csi_set_window_size(w.width, w.height);
}
break;
case IPU_CSI_SET_WINDOW:
{
ipu_csi_window p;
if (copy_from_user
(&p, (ipu_csi_window *) arg, sizeof(p)))
return -EFAULT;
ipu_csi_set_window_pos(p.left, p.top);
}
break;
case IPU_PF_SET_PAUSE_ROW:
{
uint32_t p;
int __user *argp = (void __user *)arg;
if (get_user(p, argp))
return -EFAULT;
ret = ipu_pf_set_pause_row(p);
}
break;
default:
break;
}
return ret;
}
/*!
* Start the output stream
*
* @param vout structure vout_data *
*
* @return status 0 Success
*/
static int mxc_v4l2out_streamon(vout_data * vout)
{
ipu_channel_params_t params;
int pp_in_buf[2];
u16 out_width;
u16 out_height;
ipu_channel_t display_input_ch = MEM_PP_MEM;
bool use_direct_adc = false;
if (!vout)
return -EINVAL;
if (queue_size(&vout->ready_q) < 2) {
DPRINTK("2 buffers not been queued yet!\n");
return -EINVAL;
}
out_width = vout->crop_current.width;
out_height = vout->crop_current.height;
vout->next_done_ipu_buf = vout->next_rdy_ipu_buf = 0;
vout->ipu_buf[0] = pp_in_buf[0] = dequeue_buf(&vout->ready_q);
vout->ipu_buf[1] = pp_in_buf[1] = dequeue_buf(&vout->ready_q);
/* Init Display Channel */
#ifdef CONFIG_FB_MXC_ASYNC_PANEL
if (vout->cur_disp_output != DISP3) {
int fbnum = vout->output_fb_num[vout->cur_disp_output];
mxcfb_set_refresh_mode(registered_fb[fbnum],
MXCFB_REFRESH_OFF, 0);
if (vout->rotate < IPU_ROTATE_90_RIGHT) {
DPRINTK("Using PP direct to ADC channel\n");
use_direct_adc = true;
vout->display_ch = MEM_PP_ADC;
vout->post_proc_ch = MEM_PP_ADC;
memset(¶ms, 0, sizeof(params));
params.mem_pp_adc.in_width = vout->v2f.fmt.pix.width;
params.mem_pp_adc.in_height = vout->v2f.fmt.pix.height;
params.mem_pp_adc.in_pixel_fmt =
vout->v2f.fmt.pix.pixelformat;
params.mem_pp_adc.out_width = out_width;
params.mem_pp_adc.out_height = out_height;
params.mem_pp_adc.out_pixel_fmt = SDC_FG_FB_FORMAT;
#ifdef CONFIG_FB_MXC_EPSON_PANEL
params.mem_pp_adc.out_left = 2 +
vout->crop_current.left;
#else
params.mem_pp_adc.out_left = 12 +
vout->crop_current.left;
#endif
params.mem_pp_adc.out_top = vout->crop_current.top;
if (ipu_init_channel(vout->post_proc_ch, ¶ms) != 0) {
DPRINTK(KERN_ERR
"Error initializing PP chan\n");
return -EINVAL;
}
if (ipu_init_channel_buffer(vout->post_proc_ch,
IPU_INPUT_BUFFER,
params.mem_pp_adc.
in_pixel_fmt,
params.mem_pp_adc.in_width,
params.mem_pp_adc.in_height,
params.mem_pp_adc.in_width,
vout->rotate,
vout->
queue_buf_paddr[pp_in_buf
[0]],
vout->
queue_buf_paddr[pp_in_buf
[1]]) !=
0) {
DPRINTK(KERN_ERR "Error initializing PP "
"in buf\n");
return -EINVAL;
}
if (ipu_init_channel_buffer(vout->post_proc_ch,
IPU_OUTPUT_BUFFER,
params.mem_pp_adc.
out_pixel_fmt, out_width,
out_height, out_width,
vout->rotate, NULL,
NULL) != 0) {
DPRINTK(KERN_ERR "Error initializing PP "
"output buffer\n");
return -EINVAL;
}
} else {
DPRINTK("Using ADC SYS2 channel\n");
vout->display_ch = ADC_SYS2;
vout->post_proc_ch = MEM_PP_MEM;
memset(¶ms, 0, sizeof(params));
params.adc_sys2.disp = vout->cur_disp_output;
params.adc_sys2.ch_mode = WriteTemplateNonSeq;
#ifdef CONFIG_FB_MXC_EPSON_PANEL
params.adc_sys2.out_left = 2 + vout->crop_current.left;
#else
params.adc_sys2.out_left = 12 + vout->crop_current.left;
#endif
params.adc_sys2.out_top = vout->crop_current.top;
if (ipu_init_channel(ADC_SYS2, ¶ms) < 0)
return -EINVAL;
if (ipu_init_channel_buffer(vout->display_ch,
IPU_INPUT_BUFFER,
SDC_FG_FB_FORMAT,
out_width, out_height,
out_width,
IPU_ROTATE_NONE,
vout->display_bufs[0],
vout->display_bufs[1]) !=
0) {
DPRINTK(KERN_ERR "Error initializing SDC FG "
"buffer\n");
return -EINVAL;
}
}
} else
#endif
{ /* Use SDC */
DPRINTK("Using SDC channel\n");
vout->display_ch = MEM_SDC_FG;
vout->post_proc_ch = MEM_PP_MEM;
ipu_init_channel(MEM_SDC_FG, NULL);
ipu_sdc_set_window_pos(MEM_SDC_FG, vout->crop_current.left,
vout->crop_current.top);
if (ipu_init_channel_buffer(vout->display_ch, IPU_INPUT_BUFFER,
SDC_FG_FB_FORMAT,
out_width, out_height, out_width,
IPU_ROTATE_NONE,
vout->display_bufs[0],
vout->display_bufs[1]) != 0) {
DPRINTK(KERN_ERR "Error initializing SDC FG buffer\n");
return -EINVAL;
}
}
/* Init PP */
if (use_direct_adc == false) {
if (vout->rotate >= IPU_ROTATE_90_RIGHT) {
out_width = vout->crop_current.height;
out_height = vout->crop_current.width;
}
memset(¶ms, 0, sizeof(params));
params.mem_pp_mem.in_width = vout->v2f.fmt.pix.width;
params.mem_pp_mem.in_height = vout->v2f.fmt.pix.height;
params.mem_pp_mem.in_pixel_fmt = vout->v2f.fmt.pix.pixelformat;
params.mem_pp_mem.out_width = out_width;
params.mem_pp_mem.out_height = out_height;
params.mem_pp_mem.out_pixel_fmt = SDC_FG_FB_FORMAT;
if (ipu_init_channel(vout->post_proc_ch, ¶ms) != 0) {
DPRINTK(KERN_ERR "Error initializing PP channel\n");
return -EINVAL;
}
if (ipu_init_channel_buffer(vout->post_proc_ch,
IPU_INPUT_BUFFER,
params.mem_pp_mem.in_pixel_fmt,
params.mem_pp_mem.in_width,
params.mem_pp_mem.in_height,
params.mem_pp_mem.in_width,
IPU_ROTATE_NONE,
vout->queue_buf_paddr[pp_in_buf[0]],
vout->
queue_buf_paddr[pp_in_buf[1]]) !=
0) {
DPRINTK(KERN_ERR
"Error initializing PP input buffer\n");
return -EINVAL;
}
if (vout->rotate >= IPU_ROTATE_90_RIGHT) {
if (vout->rot_pp_bufs[0]) {
mxc_free_buffers(vout->rot_pp_bufs, 2);
}
if (mxc_allocate_buffers(vout->rot_pp_bufs, 2,
vout->sdc_fg_buf_size) < 0) {
return -ENOBUFS;
}
if (ipu_init_channel_buffer(vout->post_proc_ch,
IPU_OUTPUT_BUFFER,
params.mem_pp_mem.
out_pixel_fmt, out_width,
out_height, out_width,
IPU_ROTATE_NONE,
vout->rot_pp_bufs[0],
vout->rot_pp_bufs[1]) !=
0) {
DPRINTK(KERN_ERR "Error initializing PP "
"output buffer\n");
return -EINVAL;
}
if (ipu_init_channel(MEM_ROT_PP_MEM, NULL) != 0) {
DPRINTK(KERN_ERR "Error initializing PP ROT "
"channel\n");
return -EINVAL;
}
if (ipu_init_channel_buffer(MEM_ROT_PP_MEM,
IPU_INPUT_BUFFER,
params.mem_pp_mem.
out_pixel_fmt, out_width,
out_height, out_width,
vout->rotate,
vout->rot_pp_bufs[0],
vout->rot_pp_bufs[1]) !=
0) {
DPRINTK(KERN_ERR "Error initializing PP ROT "
"input buffer\n");
return -EINVAL;
}
/* swap width and height */
out_width = vout->crop_current.width;
out_height = vout->crop_current.height;
if (ipu_init_channel_buffer(MEM_ROT_PP_MEM,
IPU_OUTPUT_BUFFER,
params.mem_pp_mem.
out_pixel_fmt, out_width,
out_height, out_width,
IPU_ROTATE_NONE,
vout->display_bufs[0],
vout->display_bufs[1]) !=
0) {
DPRINTK(KERN_ERR "Error initializing PP "
"output buffer\n");
return -EINVAL;
}
if (ipu_link_channels(vout->post_proc_ch,
MEM_ROT_PP_MEM) < 0) {
return -EINVAL;
}
ipu_select_buffer(MEM_ROT_PP_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(MEM_ROT_PP_MEM, IPU_OUTPUT_BUFFER, 1);
ipu_enable_channel(MEM_ROT_PP_MEM);
display_input_ch = MEM_ROT_PP_MEM;
} else {
if (ipu_init_channel_buffer(vout->post_proc_ch,
IPU_OUTPUT_BUFFER,
params.mem_pp_mem.
out_pixel_fmt, out_width,
out_height, out_width,
vout->rotate,
vout->display_bufs[0],
vout->display_bufs[1]) !=
0) {
DPRINTK(KERN_ERR "Error initializing PP "
"output buffer\n");
return -EINVAL;
}
}
if (ipu_link_channels(display_input_ch, vout->display_ch) < 0) {
DPRINTK(KERN_ERR "Error linking ipu channels\n");
return -EINVAL;
}
}
vout->state = STATE_STREAM_PAUSED;
ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 0);
ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 1);
if (use_direct_adc == false) {
ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, 1);
ipu_enable_channel(vout->post_proc_ch);
ipu_enable_channel(vout->display_ch);
} else {
ipu_enable_channel(vout->post_proc_ch);
}
return 0;
}
