static irqreturn_t mxcfb_sys1_eof_irq_handler(int irq, void *dev_id)
{
ipu_disable_irq(IPU_IRQ_ADC_SYS1_EOF);
ipu_disable_channel(ADC_SYS1, false);
ipu_enable_channel(ADC_SYS2);
ipu_enable_irq(IPU_IRQ_ADC_SYS2_EOF);
return IRQ_HANDLED;
}
/*!
* CSI EOF callback function.
*
* @param irq int irq line
* @param dev_id void * device id
*
* @return status IRQ_HANDLED for handled
*/
static irqreturn_t prp_csi_eof_callback(int irq, void *dev_id)
{
if (callback_flag == 2) {
ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_enable_channel(CSI_MEM);
}
callback_flag++;
return IRQ_HANDLED;
}
/*!
* CSI EOF callback function.
*
* @param irq int irq line
* @param dev_id void * device id
*
* @return status IRQ_HANDLED for handled
*/
static irqreturn_t prp_csi_eof_callback(int irq, void *dev_id)
{
cam_data *cam = devid;
ipu_select_buffer(cam->ipu, CSI_MEM, IPU_OUTPUT_BUFFER,
callback_flag%2 ? 1 : 0);
if (callback_flag == 0)
ipu_enable_channel(cam->ipu, CSI_MEM);
callback_flag++;
return IRQ_HANDLED;
}
static irqreturn_t mxcfb_sys1_eof_irq_handler(int irq, void *dev_id)
{
struct fb_info *fbi = dev_id;
uint32_t stat[2];
ipu_disable_irq(IPU_IRQ_ADC_SYS1_EOF);
ipu_disable_channel(ADC_SYS1, false);
ipu_adc_get_snooping_status(&stat[0], &stat[1]);
if (stat[0] || stat[1]) {
mxcfb_update_region(fbi, stat[0], stat[1]);
} else {
ipu_enable_channel(ADC_SYS2);
ipu_enable_irq(IPU_IRQ_ADC_SYS2_EOF);
}
return IRQ_HANDLED;
}
static long mxc_ipu_ioctl(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_SELECT_MULTI_VDI_BUFFER:
{
uint32_t parm;
if (copy_from_user
(&parm, (uint32_t *) arg,
sizeof(uint32_t)))
return -EFAULT;
ret = ipu_select_multi_vdi_buffer(parm);
}
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);
irq_info[info.irq].irq_pending = 0;
}
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_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);
if (ret == 0)
init_waitqueue_head(&(irq_info[info.irq].waitq));
}
break;
case IPU_GET_EVENT:
/* User will have to allocate event_type
structure and pass the pointer in arg */
{
ipu_event_info info;
int r = -1;
if (copy_from_user
(&info, (ipu_event_info *) arg,
sizeof(ipu_event_info)))
return -EFAULT;
r = get_events(&info);
if (r == -1) {
if ((file->f_flags & O_NONBLOCK) &&
(irq_info[info.irq].irq_pending == 0))
return -EAGAIN;
wait_event_interruptible_timeout(irq_info[info.irq].waitq,
(irq_info[info.irq].irq_pending != 0), 2 * HZ);
r = get_events(&info);
}
ret = -1;
if (r == 0) {
if (!copy_to_user((ipu_event_info *) arg,
&info, sizeof(ipu_event_info)))
ret = 0;
}
}
break;
case IPU_ALOC_MEM:
{
ipu_mem_info info;
if (copy_from_user
(&info, (ipu_mem_info *) arg,
sizeof(ipu_mem_info)))
return -EFAULT;
info.vaddr = dma_alloc_coherent(0,
PAGE_ALIGN(info.size),
&info.paddr,
GFP_DMA | GFP_KERNEL);
if (info.vaddr == 0) {
printk(KERN_ERR "dma alloc failed!\n");
return -ENOBUFS;
}
if (copy_to_user((ipu_mem_info *) arg, &info,
sizeof(ipu_mem_info)) > 0)
return -EFAULT;
}
break;
case IPU_FREE_MEM:
{
ipu_mem_info info;
if (copy_from_user
(&info, (ipu_mem_info *) arg,
sizeof(ipu_mem_info)))
return -EFAULT;
if (info.vaddr)
dma_free_coherent(0, PAGE_ALIGN(info.size),
info.vaddr, info.paddr);
else
return -EFAULT;
}
break;
case IPU_IS_CHAN_BUSY:
{
ipu_channel_t chan;
if (copy_from_user
(&chan, (ipu_channel_t *)arg,
sizeof(ipu_channel_t)))
return -EFAULT;
if (ipu_is_channel_busy(chan))
ret = 1;
else
ret = 0;
}
break;
case IPU_CALC_STRIPES_SIZE:
{
ipu_stripe_parm stripe_parm;
if (copy_from_user (&stripe_parm, (ipu_stripe_parm *)arg,
sizeof(ipu_stripe_parm)))
return -EFAULT;
ipu_calc_stripes_sizes(stripe_parm.input_width,
stripe_parm.output_width,
stripe_parm.maximal_stripe_width,
stripe_parm.cirr,
stripe_parm.equal_stripes,
stripe_parm.input_pixelformat,
stripe_parm.output_pixelformat,
&stripe_parm.left,
&stripe_parm.right);
if (copy_to_user((ipu_stripe_parm *) arg, &stripe_parm,
sizeof(ipu_stripe_parm)) > 0)
return -EFAULT;
}
break;
case IPU_UPDATE_BUF_OFFSET:
{
ipu_buf_offset_parm offset_parm;
if (copy_from_user (&offset_parm, (ipu_buf_offset_parm *)arg,
sizeof(ipu_buf_offset_parm)))
return -EFAULT;
ret = ipu_update_channel_offset(offset_parm.channel,
offset_parm.type,
offset_parm.pixel_fmt,
offset_parm.width,
offset_parm.height,
offset_parm.stride,
offset_parm.u_offset,
offset_parm.v_offset,
offset_parm.vertical_offset,
offset_parm.horizontal_offset);
}
break;
case IPU_CSC_UPDATE:
{
int param[5][3];
ipu_csc_update csc;
if (copy_from_user(&csc, (void *) arg,
sizeof(ipu_csc_update)))
return -EFAULT;
if (copy_from_user(¶m[0][0], (void *) csc.param,
sizeof(param)))
return -EFAULT;
ipu_set_csc_coefficients(csc.channel, param);
}
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;
}
/*!
* CSI ENC enable channel setup function
*
* @param cam struct cam_data * mxc capture instance
*
* @return status
*/
static int csi_enc_setup(cam_data *cam)
{
ipu_channel_params_t params;
u32 pixel_fmt;
int err = 0, sensor_protocol = 0;
dma_addr_t dummy = cam->dummy_frame.buffer.m.offset;
#ifdef CONFIG_MXC_MIPI_CSI2
void *mipi_csi2_info;
int ipu_id;
int csi_id;
#endif
CAMERA_TRACE("In csi_enc_setup\n");
if (!cam) {
printk(KERN_ERR "cam private is NULL\n");
return -ENXIO;
}
memset(¶ms, 0, sizeof(ipu_channel_params_t));
params.csi_mem.csi = cam->csi;
sensor_protocol = ipu_csi_get_sensor_protocol(cam->ipu, cam->csi);
switch (sensor_protocol) {
case IPU_CSI_CLK_MODE_GATED_CLK:
case IPU_CSI_CLK_MODE_NONGATED_CLK:
case IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR:
params.csi_mem.interlaced = false;
break;
case IPU_CSI_CLK_MODE_CCIR656_INTERLACED:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR:
params.csi_mem.interlaced = true;
break;
default:
printk(KERN_ERR "sensor protocol unsupported\n");
return -EINVAL;
}
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)
pixel_fmt = IPU_PIX_FMT_YUV420P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P)
pixel_fmt = IPU_PIX_FMT_YUV422P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY)
pixel_fmt = IPU_PIX_FMT_UYVY;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pixel_fmt = IPU_PIX_FMT_YUYV;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12)
pixel_fmt = IPU_PIX_FMT_NV12;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR24)
pixel_fmt = IPU_PIX_FMT_BGR24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24)
pixel_fmt = IPU_PIX_FMT_RGB24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565)
pixel_fmt = IPU_PIX_FMT_RGB565;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32)
pixel_fmt = IPU_PIX_FMT_BGR32;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32)
pixel_fmt = IPU_PIX_FMT_RGB32;
else {
printk(KERN_ERR "format not supported\n");
return -EINVAL;
}
ipu_csi_enable_mclk_if(cam->ipu, CSI_MCLK_ENC, cam->csi, true, true);
#ifdef CONFIG_MXC_MIPI_CSI2
mipi_csi2_info = mipi_csi2_get_info();
ipu_id = mipi_csi2_get_bind_ipu(mipi_csi2_info);
csi_id = mipi_csi2_get_bind_csi(mipi_csi2_info);
if (cam->ipu == ipu_get_soc(ipu_id) && cam->csi == csi_id) {
params.csi_mem.mipi_en = true;
params.csi_mem.mipi_vc = mipi_csi2_get_virtual_channel(mipi_csi2_info);
params.csi_mem.mipi_id = mipi_csi2_get_datatype(mipi_csi2_info);
mipi_csi2_pixelclk_enable(mipi_csi2_info);
}
#endif
err = ipu_init_channel(cam->ipu, CSI_MEM, ¶ms);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
return err;
}
err = ipu_init_channel_buffer(cam->ipu, CSI_MEM, IPU_OUTPUT_BUFFER,
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.width, IPU_ROTATE_NONE,
dummy, dummy, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "CSI_MEM output buffer\n");
return err;
}
err = ipu_enable_channel(cam->ipu, CSI_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_MEM\n");
return err;
}
return err;
}
int mxcfb_set_refresh_mode(struct fb_info *fbi, int mode,
struct mxcfb_rect *update_region)
{
unsigned long start_addr;
int ret_mode;
uint32_t dummy;
ipu_channel_params_t params;
struct mxcfb_rect rect;
struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
uint32_t stride_pixels = (fbi->fix.line_length * 8) /
fbi->var.bits_per_pixel;
uint32_t memsize = fbi->fix.smem_len;
if (mxc_fbi->cur_update_mode == mode)
return mode;
ret_mode = mxc_fbi->cur_update_mode;
ipu_disable_irq(IPU_IRQ_ADC_SYS1_EOF);
ipu_adc_set_update_mode(ADC_SYS1, IPU_ADC_REFRESH_NONE, 0, 0, 0);
#ifdef PARTIAL_REFRESH
ipu_disable_irq(IPU_IRQ_ADC_SYS2_EOF);
ipu_adc_set_update_mode(ADC_SYS2, IPU_ADC_REFRESH_NONE, 0, 0, 0);
#endif
ipu_disable_channel(ADC_SYS1, true);
ipu_clear_irq(IPU_IRQ_ADC_SYS1_EOF);
#ifdef PARTIAL_REFRESH
ipu_disable_channel(ADC_SYS2, true);
ipu_clear_irq(IPU_IRQ_ADC_SYS2_EOF);
#endif
ipu_adc_get_snooping_status(&dummy, &dummy);
mxc_fbi->cur_update_mode = mode;
switch (mode) {
case MXCFB_REFRESH_OFF:
if (ipu_adc_set_update_mode(ADC_SYS1, IPU_ADC_REFRESH_NONE,
0, 0, 0) < 0)
dev_err(fbi->device, "Error enabling auto refesh.\n");
if (ipu_adc_set_update_mode(ADC_SYS2, IPU_ADC_REFRESH_NONE,
0, 0, 0) < 0)
dev_err(fbi->device, "Error enabling auto refesh.\n");
#if 0
ipu_init_channel_buffer(ADC_SYS2, IPU_INPUT_BUFFER,
bpp_to_pixfmt(fbi->var.bits_per_pixel),
1, 1, 4,
IPU_ROTATE_NONE,
fbi->fix.smem_start,
fbi->fix.smem_start, 0, 0);
ipu_enable_channel(ADC_SYS2);
ipu_select_buffer(ADC_SYS2, IPU_INPUT_BUFFER, 0);
ipu_select_buffer(ADC_SYS2, IPU_INPUT_BUFFER, 1);
msleep(10);
#endif
ipu_uninit_channel(ADC_SYS1);
#ifdef PARTIAL_REFRESH
ipu_uninit_channel(ADC_SYS2);
#endif
break;
case MXCFB_REFRESH_PARTIAL:
#ifdef PARTIAL_REFRESH
ipu_adc_get_snooping_status(&dummy, &dummy);
params.adc_sys2.disp = DISP0;
params.adc_sys2.ch_mode = WriteTemplateNonSeq;
params.adc_sys2.out_left = 0;
params.adc_sys2.out_top = 0;
ipu_init_channel(ADC_SYS2, ¶ms);
if (ipu_adc_set_update_mode(ADC_SYS1, IPU_ADC_REFRESH_NONE,
0, 0, 0) < 0) {
dev_err(fbi->device, "Error enabling auto refesh.\n");
}
if (ipu_adc_set_update_mode
(ADC_SYS2, IPU_ADC_AUTO_REFRESH_SNOOP, 30,
fbi->fix.smem_start, &memsize) < 0) {
dev_err(fbi->device, "Error enabling auto refesh.\n");
}
mxc_fbi->snoop_window_size = memsize;
ipu_init_channel_buffer(ADC_SYS2, IPU_INPUT_BUFFER,
bpp_to_pixfmt(fbi->var.bits_per_pixel),
1, 1, 4,
IPU_ROTATE_NONE,
fbi->fix.smem_start, 0, 0, 0);
params.adc_sys1.disp = mxc_fbi->disp_num;
params.adc_sys1.ch_mode = WriteTemplateNonSeq;
params.adc_sys1.out_left = MXCFB_SCREEN_LEFT_OFFSET;
params.adc_sys1.out_top = MXCFB_SCREEN_TOP_OFFSET;
ipu_init_channel(ADC_SYS1, ¶ms);
ipu_init_channel_buffer(ADC_SYS1, IPU_INPUT_BUFFER,
bpp_to_pixfmt(fbi->var.bits_per_pixel),
MXCFB_SCREEN_WIDTH, MXCFB_SCREEN_HEIGHT,
stride_pixels, IPU_ROTATE_NONE,
fbi->fix.smem_start, 0, 0, 0);
ipu_enable_channel(ADC_SYS1);
ipu_select_buffer(ADC_SYS1, IPU_INPUT_BUFFER, 0);
ipu_enable_irq(IPU_IRQ_ADC_SYS1_EOF);
break;
#endif
case MXCFB_REFRESH_AUTO:
if (update_region == NULL) {
update_region = ▭
rect.top = 0;
rect.left = 0;
rect.height = MXCFB_SCREEN_HEIGHT;
rect.width = MXCFB_SCREEN_WIDTH;
}
params.adc_sys1.disp = mxc_fbi->disp_num;
params.adc_sys1.ch_mode = WriteTemplateNonSeq;
params.adc_sys1.out_left = MXCFB_SCREEN_LEFT_OFFSET +
update_region->left;
params.adc_sys1.out_top = MXCFB_SCREEN_TOP_OFFSET +
update_region->top;
ipu_init_channel(ADC_SYS1, ¶ms);
/* Address aligned to line */
start_addr = update_region->top * fbi->fix.line_length;
start_addr += fbi->fix.smem_start;
start_addr += update_region->left * fbi->var.bits_per_pixel / 8;
ipu_init_channel_buffer(ADC_SYS1, IPU_INPUT_BUFFER,
bpp_to_pixfmt(fbi->var.bits_per_pixel),
update_region->width,
update_region->height, stride_pixels,
IPU_ROTATE_NONE, start_addr, 0, 0, 0);
ipu_enable_channel(ADC_SYS1);
ipu_select_buffer(ADC_SYS1, IPU_INPUT_BUFFER, 0);
if (ipu_adc_set_update_mode
(ADC_SYS1, IPU_ADC_AUTO_REFRESH_SNOOP, 30,
fbi->fix.smem_start, &memsize) < 0)
dev_err(fbi->device, "Error enabling auto refesh.\n");
mxc_fbi->snoop_window_size = memsize;
break;
}
return ret_mode;
}
/*!
* PrpENC enable channel setup function
*
* @param cam struct cam_data * mxc capture instance
*
* @return status
*/
static int prp_enc_setup(cam_data *cam)
{
ipu_channel_params_t enc;
int err = 0;
dma_addr_t dummy = cam->dummy_frame.buffer.m.offset;
#ifdef CONFIG_MXC_MIPI_CSI2
void *mipi_csi2_info;
int ipu_id;
int csi_id;
#endif
CAMERA_TRACE("In prp_enc_setup\n");
if (!cam) {
printk(KERN_ERR "cam private is NULL\n");
return -ENXIO;
}
memset(&enc, 0, sizeof(ipu_channel_params_t));
ipu_csi_get_window_size(cam->ipu, &enc.csi_prp_enc_mem.in_width,
&enc.csi_prp_enc_mem.in_height, cam->csi);
enc.csi_prp_enc_mem.in_pixel_fmt = IPU_PIX_FMT_UYVY;
enc.csi_prp_enc_mem.out_width = cam->v2f.fmt.pix.width;
enc.csi_prp_enc_mem.out_height = cam->v2f.fmt.pix.height;
enc.csi_prp_enc_mem.csi = cam->csi;
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
enc.csi_prp_enc_mem.out_width = cam->v2f.fmt.pix.height;
enc.csi_prp_enc_mem.out_height = cam->v2f.fmt.pix.width;
}
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YUV420P;
pr_info("YUV420\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YVU420) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YVU420P;
pr_info("YVU420\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YUV422P;
pr_info("YUV422P\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YUYV;
pr_info("YUYV\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_UYVY;
pr_info("UYVY\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_NV12;
pr_info("NV12\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR24) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_BGR24;
pr_info("BGR24\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_RGB24;
pr_info("RGB24\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_RGB565;
pr_info("RGB565\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_BGR32;
pr_info("BGR32\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_RGB32;
pr_info("RGB32\n");
} else {
printk(KERN_ERR "format not supported\n");
return -EINVAL;
}
#ifdef CONFIG_MXC_MIPI_CSI2
mipi_csi2_info = mipi_csi2_get_info();
if (mipi_csi2_info) {
if (mipi_csi2_get_status(mipi_csi2_info)) {
ipu_id = mipi_csi2_get_bind_ipu(mipi_csi2_info);
csi_id = mipi_csi2_get_bind_csi(mipi_csi2_info);
if (cam->ipu == ipu_get_soc(ipu_id)
&& cam->csi == csi_id) {
enc.csi_prp_enc_mem.mipi_en = true;
enc.csi_prp_enc_mem.mipi_vc =
mipi_csi2_get_virtual_channel(mipi_csi2_info);
enc.csi_prp_enc_mem.mipi_id =
mipi_csi2_get_datatype(mipi_csi2_info);
mipi_csi2_pixelclk_enable(mipi_csi2_info);
} else {
enc.csi_prp_enc_mem.mipi_en = false;
enc.csi_prp_enc_mem.mipi_vc = 0;
enc.csi_prp_enc_mem.mipi_id = 0;
}
} else {
enc.csi_prp_enc_mem.mipi_en = false;
enc.csi_prp_enc_mem.mipi_vc = 0;
enc.csi_prp_enc_mem.mipi_id = 0;
}
}
#endif
err = ipu_init_channel(cam->ipu, CSI_PRP_ENC_MEM, &enc);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
return err;
}
grotation = cam->rotation;
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
if (cam->rot_enc_bufs_vaddr[0]) {
dma_free_coherent(0, cam->rot_enc_buf_size[0],
cam->rot_enc_bufs_vaddr[0],
cam->rot_enc_bufs[0]);
}
if (cam->rot_enc_bufs_vaddr[1]) {
dma_free_coherent(0, cam->rot_enc_buf_size[1],
cam->rot_enc_bufs_vaddr[1],
cam->rot_enc_bufs[1]);
}
cam->rot_enc_buf_size[0] =
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage);
cam->rot_enc_bufs_vaddr[0] =
(void *)dma_alloc_coherent(0, cam->rot_enc_buf_size[0],
&cam->rot_enc_bufs[0],
GFP_DMA | GFP_KERNEL);
if (!cam->rot_enc_bufs_vaddr[0]) {
printk(KERN_ERR "alloc enc_bufs0\n");
return -ENOMEM;
}
cam->rot_enc_buf_size[1] =
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage);
cam->rot_enc_bufs_vaddr[1] =
(void *)dma_alloc_coherent(0, cam->rot_enc_buf_size[1],
&cam->rot_enc_bufs[1],
GFP_DMA | GFP_KERNEL);
if (!cam->rot_enc_bufs_vaddr[1]) {
dma_free_coherent(0, cam->rot_enc_buf_size[0],
cam->rot_enc_bufs_vaddr[0],
cam->rot_enc_bufs[0]);
cam->rot_enc_bufs_vaddr[0] = NULL;
cam->rot_enc_bufs[0] = 0;
printk(KERN_ERR "alloc enc_bufs1\n");
return -ENOMEM;
}
err = ipu_init_channel_buffer(cam->ipu, CSI_PRP_ENC_MEM,
IPU_OUTPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_width,
enc.csi_prp_enc_mem.out_height,
enc.csi_prp_enc_mem.out_width,
IPU_ROTATE_NONE,
cam->rot_enc_bufs[0],
cam->rot_enc_bufs[1], 0, 0, 0);
if (err != 0) {
printk(KERN_ERR "CSI_PRP_ENC_MEM err\n");
return err;
}
err = ipu_init_channel(cam->ipu, MEM_ROT_ENC_MEM, NULL);
if (err != 0) {
printk(KERN_ERR "MEM_ROT_ENC_MEM channel err\n");
return err;
}
err = ipu_init_channel_buffer(cam->ipu, MEM_ROT_ENC_MEM,
IPU_INPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_width,
enc.csi_prp_enc_mem.out_height,
enc.csi_prp_enc_mem.out_width,
cam->rotation,
cam->rot_enc_bufs[0],
cam->rot_enc_bufs[1], 0, 0, 0);
if (err != 0) {
printk(KERN_ERR "MEM_ROT_ENC_MEM input buffer\n");
return err;
}
err =
ipu_init_channel_buffer(cam->ipu, MEM_ROT_ENC_MEM,
IPU_OUTPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_height,
enc.csi_prp_enc_mem.out_width,
cam->v2f.fmt.pix.bytesperline /
bytes_per_pixel(enc.csi_prp_enc_mem.
out_pixel_fmt),
IPU_ROTATE_NONE,
dummy, dummy, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "MEM_ROT_ENC_MEM output buffer\n");
return err;
}
err = ipu_link_channels(cam->ipu,
CSI_PRP_ENC_MEM, MEM_ROT_ENC_MEM);
if (err < 0) {
printk(KERN_ERR
"link CSI_PRP_ENC_MEM-MEM_ROT_ENC_MEM\n");
return err;
}
err = ipu_enable_channel(cam->ipu, CSI_PRP_ENC_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_PRP_ENC_MEM\n");
return err;
}
err = ipu_enable_channel(cam->ipu, MEM_ROT_ENC_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel MEM_ROT_ENC_MEM\n");
return err;
}
ipu_select_buffer(cam->ipu, CSI_PRP_ENC_MEM,
IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(cam->ipu, CSI_PRP_ENC_MEM,
IPU_OUTPUT_BUFFER, 1);
} else {
err =
ipu_init_channel_buffer(cam->ipu, CSI_PRP_ENC_MEM,
IPU_OUTPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_width,
enc.csi_prp_enc_mem.out_height,
cam->v2f.fmt.pix.bytesperline /
bytes_per_pixel(enc.csi_prp_enc_mem.
out_pixel_fmt),
cam->rotation,
dummy, dummy, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "CSI_PRP_ENC_MEM output buffer\n");
return err;
}
err = ipu_enable_channel(cam->ipu, CSI_PRP_ENC_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_PRP_ENC_MEM\n");
return err;
}
}
return err;
}
static int csi_enc_setup(cam_data *cam)
{
ipu_channel_params_t params;
int err = 0, sensor_protocol = 0;
#ifdef CONFIG_MXC_MIPI_CSI2
void *mipi_csi2_info;
int ipu_id;
int csi_id;
#endif
CAMERA_TRACE("In csi_enc_setup\n");
if (!cam) {
printk(KERN_ERR "cam private is NULL\n");
return -ENXIO;
}
memset(¶ms, 0, sizeof(ipu_channel_params_t));
params.csi_mem.csi = cam->csi;
sensor_protocol = ipu_csi_get_sensor_protocol(cam->ipu, cam->csi);
switch (sensor_protocol) {
case IPU_CSI_CLK_MODE_GATED_CLK:
case IPU_CSI_CLK_MODE_NONGATED_CLK:
case IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR:
params.csi_mem.interlaced = false;
break;
case IPU_CSI_CLK_MODE_CCIR656_INTERLACED:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR:
params.csi_mem.interlaced = true;
break;
default:
printk(KERN_ERR "sensor protocol unsupported\n");
return -EINVAL;
}
#ifdef CONFIG_MXC_MIPI_CSI2
mipi_csi2_info = mipi_csi2_get_info();
if (mipi_csi2_info) {
if (mipi_csi2_get_status(mipi_csi2_info)) {
ipu_id = mipi_csi2_get_bind_ipu(mipi_csi2_info);
csi_id = mipi_csi2_get_bind_csi(mipi_csi2_info);
if (cam->ipu == ipu_get_soc(ipu_id)
&& cam->csi == csi_id) {
params.csi_mem.mipi_en = true;
params.csi_mem.mipi_vc =
mipi_csi2_get_virtual_channel(mipi_csi2_info);
params.csi_mem.mipi_id =
mipi_csi2_get_datatype(mipi_csi2_info);
mipi_csi2_pixelclk_enable(mipi_csi2_info);
} else {
params.csi_mem.mipi_en = false;
params.csi_mem.mipi_vc = 0;
params.csi_mem.mipi_id = 0;
}
} else {
params.csi_mem.mipi_en = false;
params.csi_mem.mipi_vc = 0;
params.csi_mem.mipi_id = 0;
}
}
#endif
if (cam->vf_bufs_vaddr[0]) {
dma_free_coherent(0, cam->vf_bufs_size[0],
cam->vf_bufs_vaddr[0],
(dma_addr_t) cam->vf_bufs[0]);
}
if (cam->vf_bufs_vaddr[1]) {
dma_free_coherent(0, cam->vf_bufs_size[1],
cam->vf_bufs_vaddr[1],
(dma_addr_t) cam->vf_bufs[1]);
}
csi_mem_bufsize = cam->crop_current.width *
cam->crop_current.height * 3/2;
cam->vf_bufs_size[0] = PAGE_ALIGN(csi_mem_bufsize);
cam->vf_bufs_vaddr[0] = (void *)dma_alloc_coherent(0,
cam->vf_bufs_size[0],
(dma_addr_t *) &
cam->vf_bufs[0],
GFP_DMA |
GFP_KERNEL);
if (cam->vf_bufs_vaddr[0] == NULL) {
printk(KERN_ERR "Error to allocate vf buffer\n");
err = -ENOMEM;
goto out_2;
}
cam->vf_bufs_size[1] = PAGE_ALIGN(csi_mem_bufsize);
cam->vf_bufs_vaddr[1] = (void *)dma_alloc_coherent(0,
cam->vf_bufs_size[1],
(dma_addr_t *) &
cam->vf_bufs[1],
GFP_DMA |
GFP_KERNEL);
if (cam->vf_bufs_vaddr[1] == NULL) {
printk(KERN_ERR "Error to allocate vf buffer\n");
err = -ENOMEM;
goto out_1;
}
pr_debug("vf_bufs %x %x\n", cam->vf_bufs[0], cam->vf_bufs[1]);
err = ipu_init_channel(cam->ipu, CSI_MEM, ¶ms);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
goto out_1;
}
if ((cam->crop_current.width == cam->win.w.width) &&
(cam->crop_current.height == cam->win.w.height) &&
(vf_out_format == IPU_PIX_FMT_NV12) &&
(cam->rotation < IPU_ROTATE_VERT_FLIP)) {
err = ipu_init_channel_buffer(cam->ipu, CSI_MEM,
IPU_OUTPUT_BUFFER,
IPU_PIX_FMT_NV12,
cam->crop_current.width,
cam->crop_current.height,
cam->crop_current.width, IPU_ROTATE_NONE,
fbi->fix.smem_start +
(fbi->fix.line_length * fbvar.yres),
fbi->fix.smem_start, 0,
cam->offset.u_offset, cam->offset.u_offset);
} else {
err = ipu_init_channel_buffer(cam->ipu, CSI_MEM,
IPU_OUTPUT_BUFFER,
IPU_PIX_FMT_NV12,
cam->crop_current.width,
cam->crop_current.height,
cam->crop_current.width, IPU_ROTATE_NONE,
cam->vf_bufs[0], cam->vf_bufs[1], 0,
cam->offset.u_offset, cam->offset.u_offset);
}
if (err != 0) {
printk(KERN_ERR "CSI_MEM output buffer\n");
goto out_1;
}
err = ipu_enable_channel(cam->ipu, CSI_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_MEM\n");
goto out_1;
}
csi_buffer_num = 0;
ipu_select_buffer(cam->ipu, CSI_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(cam->ipu, CSI_MEM, IPU_OUTPUT_BUFFER, 1);
return err;
out_1:
if (cam->vf_bufs_vaddr[0]) {
dma_free_coherent(0, cam->vf_bufs_size[0],
cam->vf_bufs_vaddr[0],
(dma_addr_t) cam->vf_bufs[0]);
cam->vf_bufs_vaddr[0] = NULL;
cam->vf_bufs[0] = 0;
}
if (cam->vf_bufs_vaddr[1]) {
dma_free_coherent(0, cam->vf_bufs_size[1],
cam->vf_bufs_vaddr[1],
(dma_addr_t) cam->vf_bufs[1]);
cam->vf_bufs_vaddr[1] = NULL;
cam->vf_bufs[1] = 0;
}
out_2:
return err;
}
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;
int i;
if (copy_from_user
(&info, (ipu_irq_info *) arg,
sizeof(ipu_irq_info)))
return -EFAULT;
ipu_free_irq(info.irq, info.dev_id);
for (i = 0; i < MAX_Q_SIZE; i++) {
if (events[i].irq == info.irq)
events[i].irq = 0;
}
}
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_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 */
{
ipu_event_info info;
int r = -1;
if (copy_from_user
(&info, (ipu_event_info *) arg,
sizeof(ipu_event_info)))
return -EFAULT;
r = get_events(&info);
if (r == -1) {
wait_event_interruptible_timeout(waitq,
(pending_events != 0), HZ/10);
r = get_events(&info);
}
ret = -1;
if (r == 0) {
if (!copy_to_user((ipu_event_info *) arg,
&info, sizeof(ipu_event_info)))
ret = 0;
}
}
break;
case IPU_ALOC_MEM:
{
ipu_mem_info info;
if (copy_from_user
(&info, (ipu_mem_info *) arg,
sizeof(ipu_mem_info)))
return -EFAULT;
info.vaddr = dma_alloc_coherent(0,
PAGE_ALIGN(info.size),
&info.paddr,
GFP_DMA | GFP_KERNEL);
if (info.vaddr == 0) {
printk(KERN_ERR "dma alloc failed!\n");
return -ENOBUFS;
}
if (copy_to_user((ipu_mem_info *) arg, &info,
sizeof(ipu_mem_info)) > 0)
return -EFAULT;
}
break;
case IPU_FREE_MEM:
{
ipu_mem_info info;
if (copy_from_user
(&info, (ipu_mem_info *) arg,
sizeof(ipu_mem_info)))
return -EFAULT;
if (info.vaddr)
dma_free_coherent(0, PAGE_ALIGN(info.size),
info.vaddr, info.paddr);
else
return -EFAULT;
}
break;
case IPU_IS_CHAN_BUSY:
{
ipu_channel_t chan;
if (copy_from_user
(&chan, (ipu_channel_t *)arg,
sizeof(ipu_channel_t)))
return -EFAULT;
if (ipu_is_channel_busy(chan))
ret = 1;
else
ret = 0;
}
break;
default:
break;
}
return ret;
}
/*!
* CSI ENC enable channel setup function
*
* @param cam struct cam_data * mxc capture instance
*
* @return status
*/
static int csi_enc_setup(cam_data *cam)
{
ipu_channel_params_t params;
u32 pixel_fmt;
int err = 0, sensor_protocol = 0;
dma_addr_t dummy = cam->dummy_frame.buffer.m.offset;
CAMERA_TRACE("In csi_enc_setup\n");
if (!cam) {
printk(KERN_ERR "cam private is NULL\n");
return -ENXIO;
}
memset(¶ms, 0, sizeof(ipu_channel_params_t));
params.csi_mem.csi = cam->csi;
sensor_protocol = ipu_csi_get_sensor_protocol(cam->ipu, cam->csi);
switch (sensor_protocol) {
case IPU_CSI_CLK_MODE_GATED_CLK:
case IPU_CSI_CLK_MODE_NONGATED_CLK:
case IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR:
params.csi_mem.interlaced = false;
break;
case IPU_CSI_CLK_MODE_CCIR656_INTERLACED:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR:
params.csi_mem.interlaced = true;
break;
default:
printk(KERN_ERR "sensor protocol unsupported\n");
return -EINVAL;
}
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)
pixel_fmt = IPU_PIX_FMT_YUV420P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YVU420)
pixel_fmt = IPU_PIX_FMT_YVU420P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P)
pixel_fmt = IPU_PIX_FMT_YUV422P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY)
pixel_fmt = IPU_PIX_FMT_UYVY;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pixel_fmt = IPU_PIX_FMT_YUYV;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12)
pixel_fmt = IPU_PIX_FMT_NV12;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR24)
pixel_fmt = IPU_PIX_FMT_BGR24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24)
pixel_fmt = IPU_PIX_FMT_RGB24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565)
pixel_fmt = IPU_PIX_FMT_RGB565;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32)
pixel_fmt = IPU_PIX_FMT_BGR32;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32)
pixel_fmt = IPU_PIX_FMT_RGB32;
else {
printk(KERN_ERR "format not supported\n");
return -EINVAL;
}
err = cam_mipi_csi2_enable(cam, ¶ms.csi_mem.mipi);
if (err)
return err;
err = ipu_init_channel(cam->ipu, CSI_MEM, ¶ms);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
return err;
}
err = ipu_init_channel_buffer(cam->ipu, CSI_MEM, IPU_OUTPUT_BUFFER,
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.bytesperline,
cam->rotation,
dummy, dummy, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "CSI_MEM output buffer\n");
return err;
}
err = ipu_enable_channel(cam->ipu, CSI_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_MEM\n");
return err;
}
return err;
}
/*!
* CSI ENC enable channel setup function
*
* @param cam struct cam_data * mxc capture instance
*
* @return status
*/
static int csi_enc_setup(cam_data *cam)
{
ipu_channel_params_t params;
u32 pixel_fmt;
int err = 0, sensor_protocol = 0;
dma_addr_t dummy0 = 0x97BBB800;
dma_addr_t dummy1 = 0x97B00000;
if (!cam) {
printf("cam private is NULL\n");
return -ENXIO;
}
//printf("csi_enc_setup\n");
memset(¶ms, 0, sizeof(ipu_channel_params_t));
params.csi_mem.csi = cam->csi;
sensor_protocol = ipu_csi_get_sensor_protocol(cam->csi);
// printf("csi_enc_setup: sensor_protocol: %d, pixelformat: 0x%x\n", sensor_protocol, cam->v2f.fmt.pix.pixelformat);
switch (sensor_protocol) {
case IPU_CSI_CLK_MODE_GATED_CLK:
case IPU_CSI_CLK_MODE_NONGATED_CLK:
case IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR:
params.csi_mem.interlaced = 0;
break;
case IPU_CSI_CLK_MODE_CCIR656_INTERLACED:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR:
case IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR:
params.csi_mem.interlaced = 1;
break;
default:
printf("sensor protocol unsupported\n");
return -EINVAL;
}
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)
pixel_fmt = IPU_PIX_FMT_YUV420P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P)
pixel_fmt = IPU_PIX_FMT_YUV422P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY)
pixel_fmt = IPU_PIX_FMT_UYVY;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pixel_fmt = IPU_PIX_FMT_YUYV;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12)
pixel_fmt = IPU_PIX_FMT_NV12;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR24)
pixel_fmt = IPU_PIX_FMT_BGR24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24)
pixel_fmt = IPU_PIX_FMT_RGB24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565)
pixel_fmt = IPU_PIX_FMT_RGB565;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32)
pixel_fmt = IPU_PIX_FMT_BGR32;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32)
pixel_fmt = IPU_PIX_FMT_RGB32;
else if(cam->v2f.fmt.pix.pixelformat == IPU_PIX_FMT_GENERIC)
pixel_fmt = IPU_PIX_FMT_GENERIC;
else {
printf("format not supported\n");
return -EINVAL;
}
ipu_csi_enable_mclk(cam->csi, 1, 1);
err = ipu_init_channel(CSI_MEM, ¶ms);
if (err != 0) {
printf("ipu_init_channel %d\n", err);
return err;
}
// printf("csi_enc_setup -> ipu_init_channel_buffer \n");
err = ipu_init_channel_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.width,
dummy1, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printf("CSI_MEM output buffer\n");
return err;
}
err = ipu_enable_channel(CSI_MEM);
if (err < 0) {
printf("ipu_enable_channel CSI_MEM\n");
return err;
}
return err;
}
static void mxcfb_update_region(struct fb_info *fbi, uint32_t statl,
uint32_t stath)
{
ipu_channel_params_t params;
struct mxcfb_info *mxc_fbi = fbi->par;
uint32_t seg_size;
uint32_t lsb, msb;
uint32_t update_height, start_line, start_addr, end_line, end_addr;
uint32_t stride_pixels = (fbi->fix.line_length * 8) /
fbi->var.bits_per_pixel;
lsb = ffs(statl);
if (lsb) {
lsb--;
} else {
lsb = ffs(stath);
lsb += 32 - 1;
}
msb = fls(stath);
if (msb) {
msb += 32;
} else {
msb = fls(statl);
}
seg_size = mxc_fbi->snoop_window_size / 64;
start_addr = lsb * seg_size; // starting address offset
start_line = start_addr / fbi->fix.line_length;
start_addr = start_line * fbi->fix.line_length; // Addr aligned to line
start_addr += fbi->fix.smem_start;
end_addr = msb * seg_size; // ending address offset
end_line = end_addr / fbi->fix.line_length;
end_line++;
if (end_line > fbi->var.yres) {
end_line = fbi->var.yres;
}
update_height = end_line - start_line;
dev_dbg(fbi->device, "updating rows %d to %d, start addr = 0x%08X\n",
start_line, end_line, start_addr);
ipu_uninit_channel(ADC_SYS1);
params.adc_sys1.disp = mxc_fbi->disp_num;
params.adc_sys1.ch_mode = WriteTemplateNonSeq;
params.adc_sys1.out_left = MXCFB_SCREEN_LEFT_OFFSET;
params.adc_sys1.out_top = start_line;
ipu_init_channel(ADC_SYS1, ¶ms);
ipu_init_channel_buffer(ADC_SYS1, IPU_INPUT_BUFFER,
bpp_to_pixfmt(fbi->var.bits_per_pixel),
MXCFB_SCREEN_WIDTH,
update_height,
stride_pixels,
IPU_ROTATE_NONE, (dma_addr_t) start_addr, 0, 0,
0);
ipu_enable_channel(ADC_SYS1);
ipu_select_buffer(ADC_SYS1, IPU_INPUT_BUFFER, 0);
ipu_enable_irq(IPU_IRQ_ADC_SYS1_EOF);
}
/*!
* CSI ENC enable channel setup function
*
* @param cam struct cam_data * mxc capture instance
*
* @return status
*/
static int csi_enc_setup(cam_data *cam)
{
ipu_channel_params_t params;
u32 pixel_fmt;
int err = 0;
dma_addr_t dummy = 0xdeadbeaf;
CAMERA_TRACE("In csi_enc_setup\n");
if (!cam) {
printk(KERN_ERR "cam private is NULL\n");
return -ENXIO;
}
memset(¶ms, 0, sizeof(ipu_channel_params_t));
params.csi_mem.csi = cam->csi;
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)
pixel_fmt = IPU_PIX_FMT_YUV420P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P)
pixel_fmt = IPU_PIX_FMT_YUV422P;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY)
pixel_fmt = IPU_PIX_FMT_UYVY;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12)
pixel_fmt = IPU_PIX_FMT_NV12;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR24)
pixel_fmt = IPU_PIX_FMT_BGR24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24)
pixel_fmt = IPU_PIX_FMT_RGB24;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565)
pixel_fmt = IPU_PIX_FMT_RGB565;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32)
pixel_fmt = IPU_PIX_FMT_BGR32;
else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32)
pixel_fmt = IPU_PIX_FMT_RGB32;
else {
printk(KERN_ERR "format not supported\n");
return -EINVAL;
}
ipu_csi_enable_mclk_if(CSI_MCLK_ENC, cam->csi, true, true);
err = ipu_init_channel(CSI_MEM, ¶ms);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
return err;
}
err = ipu_init_channel_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.width, IPU_ROTATE_NONE,
dummy, dummy,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "CSI_MEM output buffer\n");
return err;
}
err = ipu_enable_channel(CSI_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_MEM\n");
return err;
}
return err;
}
/*!
* PrpENC enable channel setup function
*
* @param cam struct cam_data * mxc capture instance
*
* @return status
*/
static int prp_enc_setup(cam_data *cam)
{
ipu_channel_params_t enc;
int err = 0;
dma_addr_t dummy = 0xdeadbeaf;
CAMERA_TRACE("In prp_enc_setup\n");
if (!cam) {
printk(KERN_ERR "cam private is NULL\n");
return -ENXIO;
}
memset(&enc, 0, sizeof(ipu_channel_params_t));
ipu_csi_get_window_size(&enc.csi_prp_enc_mem.in_width,
&enc.csi_prp_enc_mem.in_height, cam->csi);
enc.csi_prp_enc_mem.in_pixel_fmt = IPU_PIX_FMT_UYVY;
enc.csi_prp_enc_mem.out_width = cam->v2f.fmt.pix.width;
enc.csi_prp_enc_mem.out_height = cam->v2f.fmt.pix.height;
enc.csi_prp_enc_mem.csi = cam->csi;
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
enc.csi_prp_enc_mem.out_width = cam->v2f.fmt.pix.height;
enc.csi_prp_enc_mem.out_height = cam->v2f.fmt.pix.width;
}
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YUV420P;
pr_info("YUV420\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YUV422P;
pr_info("YUV422P\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_YUYV;
pr_info("YUYV\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_UYVY;
pr_info("UYVY\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_NV12;
pr_info("NV12\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR24) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_BGR24;
pr_info("BGR24\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_RGB24;
pr_info("RGB24\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_RGB565;
pr_info("RGB565\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_BGR32) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_BGR32;
pr_info("BGR32\n");
} else if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_RGB32) {
enc.csi_prp_enc_mem.out_pixel_fmt = IPU_PIX_FMT_RGB32;
pr_info("RGB32\n");
} else {
printk(KERN_ERR "format not supported\n");
return -EINVAL;
}
err = ipu_init_channel(CSI_PRP_ENC_MEM, &enc);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
return err;
}
ipu_csi_enable_mclk_if(CSI_MCLK_ENC, cam->csi, true, true);
grotation = cam->rotation;
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
if (cam->rot_enc_bufs_vaddr[0]) {
dma_free_coherent(0, cam->rot_enc_buf_size[0],
cam->rot_enc_bufs_vaddr[0],
cam->rot_enc_bufs[0]);
}
if (cam->rot_enc_bufs_vaddr[1]) {
dma_free_coherent(0, cam->rot_enc_buf_size[1],
cam->rot_enc_bufs_vaddr[1],
cam->rot_enc_bufs[1]);
}
cam->rot_enc_buf_size[0] =
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage);
cam->rot_enc_bufs_vaddr[0] =
(void *)dma_alloc_coherent(0, cam->rot_enc_buf_size[0],
&cam->rot_enc_bufs[0],
GFP_DMA | GFP_KERNEL);
if (!cam->rot_enc_bufs_vaddr[0]) {
printk(KERN_ERR "alloc enc_bufs0\n");
return -ENOMEM;
}
cam->rot_enc_buf_size[1] =
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage);
cam->rot_enc_bufs_vaddr[1] =
(void *)dma_alloc_coherent(0, cam->rot_enc_buf_size[1],
&cam->rot_enc_bufs[1],
GFP_DMA | GFP_KERNEL);
if (!cam->rot_enc_bufs_vaddr[1]) {
dma_free_coherent(0, cam->rot_enc_buf_size[0],
cam->rot_enc_bufs_vaddr[0],
cam->rot_enc_bufs[0]);
cam->rot_enc_bufs_vaddr[0] = NULL;
cam->rot_enc_bufs[0] = 0;
printk(KERN_ERR "alloc enc_bufs1\n");
return -ENOMEM;
}
err = ipu_init_channel_buffer(CSI_PRP_ENC_MEM,
IPU_OUTPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_width,
enc.csi_prp_enc_mem.out_height,
enc.csi_prp_enc_mem.out_width,
IPU_ROTATE_NONE,
cam->rot_enc_bufs[0],
cam->rot_enc_bufs[1], 0, 0, 0);
if (err != 0) {
printk(KERN_ERR "CSI_PRP_ENC_MEM err\n");
return err;
}
err = ipu_init_channel(MEM_ROT_ENC_MEM, NULL);
if (err != 0) {
printk(KERN_ERR "MEM_ROT_ENC_MEM channel err\n");
return err;
}
err = ipu_init_channel_buffer(MEM_ROT_ENC_MEM, IPU_INPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_width,
enc.csi_prp_enc_mem.out_height,
enc.csi_prp_enc_mem.out_width,
cam->rotation,
cam->rot_enc_bufs[0],
cam->rot_enc_bufs[1], 0, 0, 0);
if (err != 0) {
printk(KERN_ERR "MEM_ROT_ENC_MEM input buffer\n");
return err;
}
err =
ipu_init_channel_buffer(MEM_ROT_ENC_MEM, IPU_OUTPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_height,
enc.csi_prp_enc_mem.out_width,
cam->v2f.fmt.pix.bytesperline /
bytes_per_pixel(enc.csi_prp_enc_mem.
out_pixel_fmt),
IPU_ROTATE_NONE,
dummy, dummy, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "MEM_ROT_ENC_MEM output buffer\n");
return err;
}
err = ipu_link_channels(CSI_PRP_ENC_MEM, MEM_ROT_ENC_MEM);
if (err < 0) {
printk(KERN_ERR
"link CSI_PRP_ENC_MEM-MEM_ROT_ENC_MEM\n");
return err;
}
err = ipu_enable_channel(CSI_PRP_ENC_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_PRP_ENC_MEM\n");
return err;
}
err = ipu_enable_channel(MEM_ROT_ENC_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel MEM_ROT_ENC_MEM\n");
return err;
}
ipu_select_buffer(CSI_PRP_ENC_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(CSI_PRP_ENC_MEM, IPU_OUTPUT_BUFFER, 1);
} else {
err =
ipu_init_channel_buffer(CSI_PRP_ENC_MEM, IPU_OUTPUT_BUFFER,
enc.csi_prp_enc_mem.out_pixel_fmt,
enc.csi_prp_enc_mem.out_width,
enc.csi_prp_enc_mem.out_height,
cam->v2f.fmt.pix.bytesperline /
bytes_per_pixel(enc.csi_prp_enc_mem.
out_pixel_fmt),
cam->rotation,
dummy, dummy, 0,
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
printk(KERN_ERR "CSI_PRP_ENC_MEM output buffer\n");
return err;
}
err = ipu_enable_channel(CSI_PRP_ENC_MEM);
if (err < 0) {
printk(KERN_ERR "ipu_enable_channel CSI_PRP_ENC_MEM\n");
return err;
}
}
return err;
}
/*
* Set framebuffer parameters and change the operating mode.
*
* @param info framebuffer information pointer
*/
static int mxcfb_set_par(struct fb_info *fbi)
{
int retval = 0;
u32 mem_len;
ipu_di_signal_cfg_t sig_cfg;
struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
uint32_t out_pixel_fmt;
ipu_disable_channel(mxc_fbi->ipu_ch);
ipu_uninit_channel(mxc_fbi->ipu_ch);
mxcfb_set_fix(fbi);
mem_len = fbi->var.yres_virtual * fbi->fix.line_length;
if (!fbi->fix.smem_start || (mem_len > fbi->fix.smem_len)) {
if (fbi->fix.smem_start)
mxcfb_unmap_video_memory(fbi);
if (mxcfb_map_video_memory(fbi) < 0)
return -ENOMEM;
}
setup_disp_channel1(fbi);
memset(&sig_cfg, 0, sizeof(sig_cfg));
if (fbi->var.vmode & FB_VMODE_INTERLACED) {
sig_cfg.interlaced = 1;
out_pixel_fmt = IPU_PIX_FMT_YUV444;
} else {
if (mxc_fbi->ipu_di_pix_fmt)
out_pixel_fmt = mxc_fbi->ipu_di_pix_fmt;
else
out_pixel_fmt = IPU_PIX_FMT_RGB666;
}
if (fbi->var.vmode & FB_VMODE_ODD_FLD_FIRST) /* PAL */
sig_cfg.odd_field_first = 1;
if ((fbi->var.sync & FB_SYNC_EXT) || ext_clk_used)
sig_cfg.ext_clk = 1;
if (fbi->var.sync & FB_SYNC_HOR_HIGH_ACT)
sig_cfg.Hsync_pol = 1;
if (fbi->var.sync & FB_SYNC_VERT_HIGH_ACT)
sig_cfg.Vsync_pol = 1;
if (!(fbi->var.sync & FB_SYNC_CLK_LAT_FALL))
sig_cfg.clk_pol = 1;
if (fbi->var.sync & FB_SYNC_DATA_INVERT)
sig_cfg.data_pol = 1;
if (!(fbi->var.sync & FB_SYNC_OE_LOW_ACT))
sig_cfg.enable_pol = 1;
if (fbi->var.sync & FB_SYNC_CLK_IDLE_EN)
sig_cfg.clkidle_en = 1;
debug("pixclock = %lu Hz\n", PICOS2KHZ(fbi->var.pixclock) * 1000UL);
if (ipu_init_sync_panel(mxc_fbi->ipu_di,
(PICOS2KHZ(fbi->var.pixclock)) * 1000UL,
fbi->var.xres, fbi->var.yres,
out_pixel_fmt,
fbi->var.left_margin,
fbi->var.hsync_len,
fbi->var.right_margin,
fbi->var.upper_margin,
fbi->var.vsync_len,
fbi->var.lower_margin,
0, sig_cfg) != 0) {
puts("mxcfb: Error initializing panel.\n");
return -EINVAL;
}
retval = setup_disp_channel2(fbi);
if (retval)
return retval;
if (mxc_fbi->blank == FB_BLANK_UNBLANK)
ipu_enable_channel(mxc_fbi->ipu_ch);
return retval;
}
static irqreturn_t mxcfb_sys2_eof_irq_handler(int irq, void *dev_id)
{
ipu_channel_params_t params;
struct fb_info *fbi = dev_id;
struct mxcfb_info *mxc_fbi = fbi->par;
uint32_t stat[2], seg_size;
uint32_t lsb, msb;
uint32_t update_height, start_line, start_addr, end_line, end_addr;
uint32_t stride_pixels = (fbi->fix.line_length * 8) /
fbi->var.bits_per_pixel;
ipu_adc_get_snooping_status(&stat[0], &stat[1]);
if (!stat[0] && !stat[1]) {
dev_err(fbi->device, "error no bus snooping bits set\n");
return IRQ_HANDLED;
}
ipu_disable_irq(IPU_IRQ_ADC_SYS2_EOF);
lsb = ffs(stat[0]);
if (lsb) {
lsb--;
} else {
lsb = ffs(stat[1]);
lsb += 32 - 1;
}
msb = fls(stat[1]);
if (msb) {
msb += 32;
} else {
msb = fls(stat[0]);
}
seg_size = mxc_fbi->snoop_window_size / 64;
start_addr = lsb * seg_size; /* starting address offset */
start_line = start_addr / fbi->fix.line_length;
start_addr = start_line * fbi->fix.line_length; /* Addr aligned to line */
start_addr += fbi->fix.smem_start;
end_addr = msb * seg_size; /* ending address offset */
end_line = end_addr / fbi->fix.line_length;
end_line++;
if (end_line > fbi->var.yres) {
end_line = fbi->var.yres;
}
update_height = end_line - start_line;
dev_dbg(fbi->device, "updating rows %d to %d, start addr = 0x%08X\n",
start_line, end_line, start_addr);
ipu_uninit_channel(ADC_SYS1);
params.adc_sys1.disp = mxc_fbi->disp_num;
params.adc_sys1.ch_mode = WriteTemplateNonSeq;
params.adc_sys1.out_left = MXCFB_SCREEN_LEFT_OFFSET;
params.adc_sys1.out_top = start_line;
ipu_init_channel(ADC_SYS1, ¶ms);
ipu_init_channel_buffer(ADC_SYS1, IPU_INPUT_BUFFER,
bpp_to_pixfmt(fbi->var.bits_per_pixel),
MXCFB_SCREEN_WIDTH,
update_height,
stride_pixels,
IPU_ROTATE_NONE, (dma_addr_t) start_addr, 0,
0, 0);
ipu_enable_channel(ADC_SYS1);
ipu_select_buffer(ADC_SYS1, IPU_INPUT_BUFFER, 0);
ipu_enable_irq(IPU_IRQ_ADC_SYS1_EOF);
return IRQ_HANDLED;
}
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;
}
/*!
* This function handles PP_IOCTL_START calls. It sets the PP channel buffers
* addresses and starts the channels
*
* @return This function returns 0 on success or negative error code on
* error.
*/
static int mxc_pp_start(pp_buf * in, pp_buf * in_comb, pp_buf * mid, pp_buf * out)
{
int err = 0;
FUNC_START;
pp_data.done_flag = 0;
if(pp_data.mode >= PP_PP_ROT)
ipu_enable_irq(IPU_IRQ_PP_OUT_EOF);
if(pp_data.mode <= PP_PP_ROT)
ipu_enable_irq(IPU_IRQ_PP_ROT_OUT_EOF);
if(pp_data.mode == PP_PP) {
err = ipu_update_channel_buffer(MEM_PP_MEM, IPU_INPUT_BUFFER, 0, (void*)in->addr);
if(err < 0) {
printk("mxc_ipu_pp: error PP_PP input buffer\n");
goto err0;
}
err = ipu_update_channel_buffer(MEM_PP_MEM, IPU_OUTPUT_BUFFER, 0, (void*)out->addr);
if(err < 0) {
printk("mxc_ipu_pp: error PP_PP output buffer\n");
goto err0;
}
if(pp_data.ic_combine_en != 0) {
err = ipu_update_channel_buffer(MEM_PP_MEM, IPU_SEC_INPUT_BUFFER, 0, (void*)in_comb->addr);
if(err < 0) {
printk("mxc_ipu_pp: error PP_PP second input buffer\n");
goto err0;
}
ipu_select_buffer(MEM_PP_MEM, IPU_SEC_INPUT_BUFFER, 0);
}
ipu_select_buffer(MEM_PP_MEM, IPU_INPUT_BUFFER, 0);
ipu_select_buffer(MEM_PP_MEM, IPU_OUTPUT_BUFFER, 0);
}
else if(pp_data.mode == PP_PP_ROT) {
err = ipu_update_channel_buffer(MEM_PP_MEM, IPU_INPUT_BUFFER, 0, (void*)in->addr);
if(err < 0) {
printk("mxc_ipu_pp: error PP_PP_ROT input buffer\n");
goto err0;
}
err = ipu_update_channel_buffer(MEM_PP_MEM, IPU_OUTPUT_BUFFER, 0, (void*)mid->addr);
if(err < 0) {
printk("mxc_ipu_pp: error setting PP_PP_ROT middle output buffer\n");
goto err0;
}
err = ipu_update_channel_buffer(MEM_ROT_PP_MEM, IPU_INPUT_BUFFER, 0, (void*)mid->addr);
if(err < 0) {
printk("mxc_ipu_pp: error setting PP_PP_ROT middle input buffer\n");
goto err0;
}
err = ipu_update_channel_buffer(MEM_ROT_PP_MEM, IPU_OUTPUT_BUFFER, 0, (void*)out->addr);
if(err < 0) {
printk("mxc_ipu_pp: error setting PP_PP_ROT output buffer\n");
goto err0;
}
if(pp_data.ic_combine_en != 0) {
err = ipu_update_channel_buffer(MEM_PP_MEM, IPU_SEC_INPUT_BUFFER, 0, (void*)in_comb->addr);
if(err < 0) {
printk("mxc_ipu_pp: error PP_PP_ROT second input buffer\n");
goto err0;
}
ipu_select_buffer(MEM_PP_MEM, IPU_SEC_INPUT_BUFFER, 0);
}
ipu_select_buffer(MEM_PP_MEM, IPU_INPUT_BUFFER, 0);
ipu_select_buffer(MEM_PP_MEM, IPU_OUTPUT_BUFFER, 0);
ipu_select_buffer(MEM_ROT_PP_MEM, IPU_OUTPUT_BUFFER, 0);
}
else if(pp_data.mode == PP_ROT) {
err = ipu_update_channel_buffer(MEM_ROT_PP_MEM, IPU_INPUT_BUFFER, 0, (void*)in->addr);
if(err < 0) {
printk("mxc_ipu_pp: error setting PP_ROT input buffer\n");
goto err0;
}
err = ipu_update_channel_buffer(MEM_ROT_PP_MEM, IPU_OUTPUT_BUFFER, 0, (void*)out->addr);
if(err < 0) {
printk("mxc_ipu_pp: error setting PP_ROT output buffer\n");
goto err0;
}
ipu_select_buffer(MEM_ROT_PP_MEM, IPU_INPUT_BUFFER, 0);
ipu_select_buffer(MEM_ROT_PP_MEM, IPU_OUTPUT_BUFFER, 0);
}
if(!pp_data.pp_enabled) {
pp_data.pp_enabled = 1;
if(pp_data.mode == PP_PP)
ipu_enable_channel(MEM_PP_MEM);
else if(pp_data.mode == PP_PP_ROT) {
ipu_enable_channel(MEM_PP_MEM);
ipu_enable_channel(MEM_ROT_PP_MEM);
}
else if(pp_data.mode == PP_ROT) {
ipu_enable_channel(MEM_ROT_PP_MEM);
}
}
FUNC_END;
return 0;
err0:
return err;
}
