Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation version 2. |
| 7 | * |
| 8 | * This program is distributed WITHOUT ANY WARRANTY of any |
| 9 | * kind, whether express or implied; without even the implied warranty |
| 10 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/errno.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/string.h> |
| 19 | #include <linux/wait.h> |
| 20 | #include <linux/time.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/irq.h> |
| 23 | #include <linux/mm.h> |
| 24 | #include <linux/mutex.h> |
| 25 | #include <linux/videodev2.h> |
| 26 | #include <linux/slab.h> |
| 27 | |
| 28 | #include <asm/pgtable.h> |
| 29 | #include <mach/cputype.h> |
| 30 | |
| 31 | #include <media/v4l2-dev.h> |
| 32 | #include <media/v4l2-common.h> |
| 33 | #include <media/v4l2-ioctl.h> |
| 34 | #include <media/v4l2-device.h> |
| 35 | #include <media/davinci/vpbe_display.h> |
| 36 | #include <media/davinci/vpbe_types.h> |
| 37 | #include <media/davinci/vpbe.h> |
| 38 | #include <media/davinci/vpbe_venc.h> |
| 39 | #include <media/davinci/vpbe_osd.h> |
| 40 | #include "vpbe_venc_regs.h" |
| 41 | |
| 42 | #define VPBE_DISPLAY_DRIVER "vpbe-v4l2" |
| 43 | |
| 44 | static int debug; |
| 45 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 46 | #define VPBE_DEFAULT_NUM_BUFS 3 |
| 47 | |
| 48 | module_param(debug, int, 0644); |
| 49 | |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 50 | static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev, |
| 51 | struct vpbe_layer *layer); |
| 52 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 53 | static int venc_is_second_field(struct vpbe_display *disp_dev) |
| 54 | { |
| 55 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 56 | int ret; |
| 57 | int val; |
| 58 | |
| 59 | ret = v4l2_subdev_call(vpbe_dev->venc, |
| 60 | core, |
| 61 | ioctl, |
| 62 | VENC_GET_FLD, |
| 63 | &val); |
| 64 | if (ret < 0) { |
| 65 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 66 | "Error in getting Field ID 0\n"); |
| 67 | } |
| 68 | return val; |
| 69 | } |
| 70 | |
| 71 | static void vpbe_isr_even_field(struct vpbe_display *disp_obj, |
| 72 | struct vpbe_layer *layer) |
| 73 | { |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 74 | if (layer->cur_frm == layer->next_frm) |
| 75 | return; |
Lad, Prabhakar | e976399 | 2015-05-26 11:20:27 -0300 | [diff] [blame] | 76 | |
Junghak Sung | d6dd645 | 2015-11-03 08:16:37 -0200 | [diff] [blame] | 77 | layer->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns(); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 78 | vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 79 | /* Make cur_frm pointing to next_frm */ |
| 80 | layer->cur_frm = layer->next_frm; |
| 81 | } |
| 82 | |
| 83 | static void vpbe_isr_odd_field(struct vpbe_display *disp_obj, |
| 84 | struct vpbe_layer *layer) |
| 85 | { |
| 86 | struct osd_state *osd_device = disp_obj->osd_device; |
| 87 | unsigned long addr; |
| 88 | |
| 89 | spin_lock(&disp_obj->dma_queue_lock); |
| 90 | if (list_empty(&layer->dma_queue) || |
| 91 | (layer->cur_frm != layer->next_frm)) { |
| 92 | spin_unlock(&disp_obj->dma_queue_lock); |
| 93 | return; |
| 94 | } |
| 95 | /* |
| 96 | * one field is displayed configure |
| 97 | * the next frame if it is available |
| 98 | * otherwise hold on current frame |
| 99 | * Get next from the buffer queue |
| 100 | */ |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 101 | layer->next_frm = list_entry(layer->dma_queue.next, |
| 102 | struct vpbe_disp_buffer, list); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 103 | /* Remove that from the buffer queue */ |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 104 | list_del(&layer->next_frm->list); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 105 | spin_unlock(&disp_obj->dma_queue_lock); |
| 106 | /* Mark state of the frame to active */ |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 107 | layer->next_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE; |
| 108 | addr = vb2_dma_contig_plane_dma_addr(&layer->next_frm->vb.vb2_buf, 0); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 109 | osd_device->ops.start_layer(osd_device, |
| 110 | layer->layer_info.id, |
| 111 | addr, |
| 112 | disp_obj->cbcr_ofst); |
| 113 | } |
| 114 | |
| 115 | /* interrupt service routine */ |
| 116 | static irqreturn_t venc_isr(int irq, void *arg) |
| 117 | { |
| 118 | struct vpbe_display *disp_dev = (struct vpbe_display *)arg; |
| 119 | struct vpbe_layer *layer; |
| 120 | static unsigned last_event; |
| 121 | unsigned event = 0; |
| 122 | int fid; |
| 123 | int i; |
| 124 | |
| 125 | if ((NULL == arg) || (NULL == disp_dev->dev[0])) |
| 126 | return IRQ_HANDLED; |
| 127 | |
| 128 | if (venc_is_second_field(disp_dev)) |
| 129 | event |= VENC_SECOND_FIELD; |
| 130 | else |
| 131 | event |= VENC_FIRST_FIELD; |
| 132 | |
| 133 | if (event == (last_event & ~VENC_END_OF_FRAME)) { |
| 134 | /* |
| 135 | * If the display is non-interlaced, then we need to flag the |
| 136 | * end-of-frame event at every interrupt regardless of the |
| 137 | * value of the FIDST bit. We can conclude that the display is |
| 138 | * non-interlaced if the value of the FIDST bit is unchanged |
| 139 | * from the previous interrupt. |
| 140 | */ |
| 141 | event |= VENC_END_OF_FRAME; |
| 142 | } else if (event == VENC_SECOND_FIELD) { |
| 143 | /* end-of-frame for interlaced display */ |
| 144 | event |= VENC_END_OF_FRAME; |
| 145 | } |
| 146 | last_event = event; |
| 147 | |
| 148 | for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) { |
| 149 | layer = disp_dev->dev[i]; |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 150 | |
| 151 | if (!vb2_start_streaming_called(&layer->buffer_queue)) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 152 | continue; |
| 153 | |
| 154 | if (layer->layer_first_int) { |
| 155 | layer->layer_first_int = 0; |
| 156 | continue; |
| 157 | } |
| 158 | /* Check the field format */ |
| 159 | if ((V4L2_FIELD_NONE == layer->pix_fmt.field) && |
| 160 | (event & VENC_END_OF_FRAME)) { |
| 161 | /* Progressive mode */ |
| 162 | |
| 163 | vpbe_isr_even_field(disp_dev, layer); |
| 164 | vpbe_isr_odd_field(disp_dev, layer); |
| 165 | } else { |
| 166 | /* Interlaced mode */ |
| 167 | |
| 168 | layer->field_id ^= 1; |
| 169 | if (event & VENC_FIRST_FIELD) |
| 170 | fid = 0; |
| 171 | else |
| 172 | fid = 1; |
| 173 | |
| 174 | /* |
| 175 | * If field id does not match with store |
| 176 | * field id |
| 177 | */ |
| 178 | if (fid != layer->field_id) { |
| 179 | /* Make them in sync */ |
| 180 | layer->field_id = fid; |
| 181 | continue; |
| 182 | } |
| 183 | /* |
| 184 | * device field id and local field id are |
| 185 | * in sync. If this is even field |
| 186 | */ |
| 187 | if (0 == fid) |
| 188 | vpbe_isr_even_field(disp_dev, layer); |
| 189 | else /* odd field */ |
| 190 | vpbe_isr_odd_field(disp_dev, layer); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | return IRQ_HANDLED; |
| 195 | } |
| 196 | |
| 197 | /* |
| 198 | * vpbe_buffer_prepare() |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 199 | * This is the callback function called from vb2_qbuf() function |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 200 | * the buffer is prepared and user space virtual address is converted into |
| 201 | * physical address |
| 202 | */ |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 203 | static int vpbe_buffer_prepare(struct vb2_buffer *vb) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 204 | { |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 205 | struct vb2_queue *q = vb->vb2_queue; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 206 | struct vpbe_layer *layer = vb2_get_drv_priv(q); |
| 207 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 208 | unsigned long addr; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 209 | |
| 210 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 211 | "vpbe_buffer_prepare\n"); |
| 212 | |
Prabhakar Lad | 50d9481 | 2014-10-12 17:40:35 -0300 | [diff] [blame] | 213 | vb2_set_plane_payload(vb, 0, layer->pix_fmt.sizeimage); |
| 214 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) |
| 215 | return -EINVAL; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 216 | |
Prabhakar Lad | 50d9481 | 2014-10-12 17:40:35 -0300 | [diff] [blame] | 217 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); |
| 218 | if (!IS_ALIGNED(addr, 8)) { |
| 219 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 220 | "buffer_prepare:offset is not aligned to 32 bytes\n"); |
| 221 | return -EINVAL; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 222 | } |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | /* |
| 227 | * vpbe_buffer_setup() |
| 228 | * This function allocates memory for the buffers |
| 229 | */ |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 230 | static int |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 231 | vpbe_buffer_queue_setup(struct vb2_queue *vq, |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 232 | unsigned int *nbuffers, unsigned int *nplanes, |
Hans Verkuil | 36c0f8b | 2016-04-15 09:15:05 -0300 | [diff] [blame] | 233 | unsigned int sizes[], struct device *alloc_devs[]) |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 234 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 235 | { |
| 236 | /* Get the file handle object and layer object */ |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 237 | struct vpbe_layer *layer = vb2_get_drv_priv(vq); |
| 238 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 239 | |
| 240 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n"); |
| 241 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 242 | /* Store number of buffers allocated in numbuffer member */ |
Prabhakar Lad | 7041bc9 | 2014-10-22 18:42:01 -0300 | [diff] [blame] | 243 | if (vq->num_buffers + *nbuffers < VPBE_DEFAULT_NUM_BUFS) |
| 244 | *nbuffers = VPBE_DEFAULT_NUM_BUFS - vq->num_buffers; |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 245 | |
| 246 | if (*nplanes) |
| 247 | return sizes[0] < layer->pix_fmt.sizeimage ? -EINVAL : 0; |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 248 | |
| 249 | *nplanes = 1; |
Hans Verkuil | df9ecb0 | 2015-10-28 00:50:37 -0200 | [diff] [blame] | 250 | sizes[0] = layer->pix_fmt.sizeimage; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 251 | |
| 252 | return 0; |
| 253 | } |
| 254 | |
| 255 | /* |
| 256 | * vpbe_buffer_queue() |
| 257 | * This function adds the buffer to DMA queue |
| 258 | */ |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 259 | static void vpbe_buffer_queue(struct vb2_buffer *vb) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 260 | { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 261 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 262 | /* Get the file handle object and layer object */ |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 263 | struct vpbe_disp_buffer *buf = container_of(vbuf, |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 264 | struct vpbe_disp_buffer, vb); |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 265 | struct vpbe_layer *layer = vb2_get_drv_priv(vb->vb2_queue); |
| 266 | struct vpbe_display *disp = layer->disp_dev; |
| 267 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 268 | unsigned long flags; |
| 269 | |
| 270 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 271 | "vpbe_buffer_queue\n"); |
| 272 | |
| 273 | /* add the buffer to the DMA queue */ |
| 274 | spin_lock_irqsave(&disp->dma_queue_lock, flags); |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 275 | list_add_tail(&buf->list, &layer->dma_queue); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 276 | spin_unlock_irqrestore(&disp->dma_queue_lock, flags); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 277 | } |
| 278 | |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 279 | static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count) |
| 280 | { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 281 | struct vpbe_layer *layer = vb2_get_drv_priv(vq); |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 282 | struct osd_state *osd_device = layer->disp_dev->osd_device; |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 283 | int ret; |
| 284 | |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 285 | osd_device->ops.disable_layer(osd_device, layer->layer_info.id); |
| 286 | |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 287 | /* Get the next frame from the buffer queue */ |
| 288 | layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next, |
| 289 | struct vpbe_disp_buffer, list); |
| 290 | /* Remove buffer from the buffer queue */ |
| 291 | list_del(&layer->cur_frm->list); |
| 292 | /* Mark state of the current frame to active */ |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 293 | layer->cur_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE; |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 294 | /* Initialize field_id and started member */ |
| 295 | layer->field_id = 0; |
| 296 | |
| 297 | /* Set parameters in OSD and VENC */ |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 298 | ret = vpbe_set_osd_display_params(layer->disp_dev, layer); |
Lad, Prabhakar | b1c090d | 2014-04-14 11:52:31 -0300 | [diff] [blame] | 299 | if (ret < 0) { |
| 300 | struct vpbe_disp_buffer *buf, *tmp; |
| 301 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 302 | vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, |
| 303 | VB2_BUF_STATE_QUEUED); |
Lad, Prabhakar | b1c090d | 2014-04-14 11:52:31 -0300 | [diff] [blame] | 304 | list_for_each_entry_safe(buf, tmp, &layer->dma_queue, list) { |
| 305 | list_del(&buf->list); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 306 | vb2_buffer_done(&buf->vb.vb2_buf, |
| 307 | VB2_BUF_STATE_QUEUED); |
Lad, Prabhakar | b1c090d | 2014-04-14 11:52:31 -0300 | [diff] [blame] | 308 | } |
| 309 | |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 310 | return ret; |
Lad, Prabhakar | b1c090d | 2014-04-14 11:52:31 -0300 | [diff] [blame] | 311 | } |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 312 | |
| 313 | /* |
| 314 | * if request format is yuv420 semiplanar, need to |
| 315 | * enable both video windows |
| 316 | */ |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 317 | layer->layer_first_int = 1; |
| 318 | |
| 319 | return ret; |
| 320 | } |
| 321 | |
Hans Verkuil | e37559b | 2014-04-17 02:47:21 -0300 | [diff] [blame] | 322 | static void vpbe_stop_streaming(struct vb2_queue *vq) |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 323 | { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 324 | struct vpbe_layer *layer = vb2_get_drv_priv(vq); |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 325 | struct osd_state *osd_device = layer->disp_dev->osd_device; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 326 | struct vpbe_display *disp = layer->disp_dev; |
Lad, Prabhakar | b699f09 | 2014-03-22 08:03:09 -0300 | [diff] [blame] | 327 | unsigned long flags; |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 328 | |
| 329 | if (!vb2_is_streaming(vq)) |
Hans Verkuil | e37559b | 2014-04-17 02:47:21 -0300 | [diff] [blame] | 330 | return; |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 331 | |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 332 | osd_device->ops.disable_layer(osd_device, layer->layer_info.id); |
| 333 | |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 334 | /* release all active buffers */ |
Lad, Prabhakar | b699f09 | 2014-03-22 08:03:09 -0300 | [diff] [blame] | 335 | spin_lock_irqsave(&disp->dma_queue_lock, flags); |
| 336 | if (layer->cur_frm == layer->next_frm) { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 337 | vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, |
| 338 | VB2_BUF_STATE_ERROR); |
Lad, Prabhakar | b699f09 | 2014-03-22 08:03:09 -0300 | [diff] [blame] | 339 | } else { |
| 340 | if (layer->cur_frm != NULL) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 341 | vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, |
Lad, Prabhakar | b699f09 | 2014-03-22 08:03:09 -0300 | [diff] [blame] | 342 | VB2_BUF_STATE_ERROR); |
| 343 | if (layer->next_frm != NULL) |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 344 | vb2_buffer_done(&layer->next_frm->vb.vb2_buf, |
Lad, Prabhakar | b699f09 | 2014-03-22 08:03:09 -0300 | [diff] [blame] | 345 | VB2_BUF_STATE_ERROR); |
| 346 | } |
| 347 | |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 348 | while (!list_empty(&layer->dma_queue)) { |
| 349 | layer->next_frm = list_entry(layer->dma_queue.next, |
| 350 | struct vpbe_disp_buffer, list); |
| 351 | list_del(&layer->next_frm->list); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 352 | vb2_buffer_done(&layer->next_frm->vb.vb2_buf, |
| 353 | VB2_BUF_STATE_ERROR); |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 354 | } |
Lad, Prabhakar | b699f09 | 2014-03-22 08:03:09 -0300 | [diff] [blame] | 355 | spin_unlock_irqrestore(&disp->dma_queue_lock, flags); |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | static struct vb2_ops video_qops = { |
| 359 | .queue_setup = vpbe_buffer_queue_setup, |
Prabhakar Lad | 488735b | 2014-10-12 17:40:33 -0300 | [diff] [blame] | 360 | .wait_prepare = vb2_ops_wait_prepare, |
| 361 | .wait_finish = vb2_ops_wait_finish, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 362 | .buf_prepare = vpbe_buffer_prepare, |
Lad, Prabhakar | 13fc23d3 | 2012-10-22 09:27:13 -0300 | [diff] [blame] | 363 | .start_streaming = vpbe_start_streaming, |
| 364 | .stop_streaming = vpbe_stop_streaming, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 365 | .buf_queue = vpbe_buffer_queue, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 366 | }; |
| 367 | |
| 368 | static |
| 369 | struct vpbe_layer* |
| 370 | _vpbe_display_get_other_win_layer(struct vpbe_display *disp_dev, |
| 371 | struct vpbe_layer *layer) |
| 372 | { |
| 373 | enum vpbe_display_device_id thiswin, otherwin; |
| 374 | thiswin = layer->device_id; |
| 375 | |
| 376 | otherwin = (thiswin == VPBE_DISPLAY_DEVICE_0) ? |
| 377 | VPBE_DISPLAY_DEVICE_1 : VPBE_DISPLAY_DEVICE_0; |
| 378 | return disp_dev->dev[otherwin]; |
| 379 | } |
| 380 | |
| 381 | static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev, |
| 382 | struct vpbe_layer *layer) |
| 383 | { |
| 384 | struct osd_layer_config *cfg = &layer->layer_info.config; |
| 385 | struct osd_state *osd_device = disp_dev->osd_device; |
| 386 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 387 | unsigned long addr; |
| 388 | int ret; |
| 389 | |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 390 | addr = vb2_dma_contig_plane_dma_addr(&layer->cur_frm->vb.vb2_buf, 0); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 391 | /* Set address in the display registers */ |
| 392 | osd_device->ops.start_layer(osd_device, |
| 393 | layer->layer_info.id, |
| 394 | addr, |
| 395 | disp_dev->cbcr_ofst); |
| 396 | |
| 397 | ret = osd_device->ops.enable_layer(osd_device, |
| 398 | layer->layer_info.id, 0); |
| 399 | if (ret < 0) { |
| 400 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 401 | "Error in enabling osd window layer 0\n"); |
| 402 | return -1; |
| 403 | } |
| 404 | |
| 405 | /* Enable the window */ |
| 406 | layer->layer_info.enable = 1; |
| 407 | if (cfg->pixfmt == PIXFMT_NV12) { |
| 408 | struct vpbe_layer *otherlayer = |
| 409 | _vpbe_display_get_other_win_layer(disp_dev, layer); |
| 410 | |
| 411 | ret = osd_device->ops.enable_layer(osd_device, |
| 412 | otherlayer->layer_info.id, 1); |
| 413 | if (ret < 0) { |
| 414 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 415 | "Error in enabling osd window layer 1\n"); |
| 416 | return -1; |
| 417 | } |
| 418 | otherlayer->layer_info.enable = 1; |
| 419 | } |
| 420 | return 0; |
| 421 | } |
| 422 | |
| 423 | static void |
| 424 | vpbe_disp_calculate_scale_factor(struct vpbe_display *disp_dev, |
| 425 | struct vpbe_layer *layer, |
| 426 | int expected_xsize, int expected_ysize) |
| 427 | { |
| 428 | struct display_layer_info *layer_info = &layer->layer_info; |
| 429 | struct v4l2_pix_format *pixfmt = &layer->pix_fmt; |
| 430 | struct osd_layer_config *cfg = &layer->layer_info.config; |
| 431 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 432 | int calculated_xsize; |
| 433 | int h_exp = 0; |
| 434 | int v_exp = 0; |
| 435 | int h_scale; |
| 436 | int v_scale; |
| 437 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 438 | v4l2_std_id standard_id = vpbe_dev->current_timings.std_id; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 439 | |
| 440 | /* |
| 441 | * Application initially set the image format. Current display |
| 442 | * size is obtained from the vpbe display controller. expected_xsize |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 443 | * and expected_ysize are set through S_SELECTION ioctl. Based on this, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 444 | * driver will calculate the scale factors for vertical and |
| 445 | * horizontal direction so that the image is displayed scaled |
| 446 | * and expanded. Application uses expansion to display the image |
| 447 | * in a square pixel. Otherwise it is displayed using displays |
| 448 | * pixel aspect ratio.It is expected that application chooses |
| 449 | * the crop coordinates for cropped or scaled display. if crop |
| 450 | * size is less than the image size, it is displayed cropped or |
| 451 | * it is displayed scaled and/or expanded. |
| 452 | * |
| 453 | * to begin with, set the crop window same as expected. Later we |
| 454 | * will override with scaled window size |
| 455 | */ |
| 456 | |
| 457 | cfg->xsize = pixfmt->width; |
| 458 | cfg->ysize = pixfmt->height; |
| 459 | layer_info->h_zoom = ZOOM_X1; /* no horizontal zoom */ |
| 460 | layer_info->v_zoom = ZOOM_X1; /* no horizontal zoom */ |
| 461 | layer_info->h_exp = H_EXP_OFF; /* no horizontal zoom */ |
| 462 | layer_info->v_exp = V_EXP_OFF; /* no horizontal zoom */ |
| 463 | |
| 464 | if (pixfmt->width < expected_xsize) { |
| 465 | h_scale = vpbe_dev->current_timings.xres / pixfmt->width; |
| 466 | if (h_scale < 2) |
| 467 | h_scale = 1; |
| 468 | else if (h_scale >= 4) |
| 469 | h_scale = 4; |
| 470 | else |
| 471 | h_scale = 2; |
| 472 | cfg->xsize *= h_scale; |
| 473 | if (cfg->xsize < expected_xsize) { |
| 474 | if ((standard_id & V4L2_STD_525_60) || |
| 475 | (standard_id & V4L2_STD_625_50)) { |
| 476 | calculated_xsize = (cfg->xsize * |
| 477 | VPBE_DISPLAY_H_EXP_RATIO_N) / |
| 478 | VPBE_DISPLAY_H_EXP_RATIO_D; |
| 479 | if (calculated_xsize <= expected_xsize) { |
| 480 | h_exp = 1; |
| 481 | cfg->xsize = calculated_xsize; |
| 482 | } |
| 483 | } |
| 484 | } |
| 485 | if (h_scale == 2) |
| 486 | layer_info->h_zoom = ZOOM_X2; |
| 487 | else if (h_scale == 4) |
| 488 | layer_info->h_zoom = ZOOM_X4; |
| 489 | if (h_exp) |
| 490 | layer_info->h_exp = H_EXP_9_OVER_8; |
| 491 | } else { |
| 492 | /* no scaling, only cropping. Set display area to crop area */ |
| 493 | cfg->xsize = expected_xsize; |
| 494 | } |
| 495 | |
| 496 | if (pixfmt->height < expected_ysize) { |
| 497 | v_scale = expected_ysize / pixfmt->height; |
| 498 | if (v_scale < 2) |
| 499 | v_scale = 1; |
| 500 | else if (v_scale >= 4) |
| 501 | v_scale = 4; |
| 502 | else |
| 503 | v_scale = 2; |
| 504 | cfg->ysize *= v_scale; |
| 505 | if (cfg->ysize < expected_ysize) { |
| 506 | if ((standard_id & V4L2_STD_625_50)) { |
| 507 | calculated_xsize = (cfg->ysize * |
| 508 | VPBE_DISPLAY_V_EXP_RATIO_N) / |
| 509 | VPBE_DISPLAY_V_EXP_RATIO_D; |
| 510 | if (calculated_xsize <= expected_ysize) { |
| 511 | v_exp = 1; |
| 512 | cfg->ysize = calculated_xsize; |
| 513 | } |
| 514 | } |
| 515 | } |
| 516 | if (v_scale == 2) |
| 517 | layer_info->v_zoom = ZOOM_X2; |
| 518 | else if (v_scale == 4) |
| 519 | layer_info->v_zoom = ZOOM_X4; |
| 520 | if (v_exp) |
Nathan Chancellor | 699e597 | 2018-09-15 02:16:15 -0400 | [diff] [blame] | 521 | layer_info->v_exp = V_EXP_6_OVER_5; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 522 | } else { |
| 523 | /* no scaling, only cropping. Set display area to crop area */ |
| 524 | cfg->ysize = expected_ysize; |
| 525 | } |
| 526 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 527 | "crop display xsize = %d, ysize = %d\n", |
| 528 | cfg->xsize, cfg->ysize); |
| 529 | } |
| 530 | |
| 531 | static void vpbe_disp_adj_position(struct vpbe_display *disp_dev, |
| 532 | struct vpbe_layer *layer, |
| 533 | int top, int left) |
| 534 | { |
| 535 | struct osd_layer_config *cfg = &layer->layer_info.config; |
| 536 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 537 | |
| 538 | cfg->xpos = min((unsigned int)left, |
| 539 | vpbe_dev->current_timings.xres - cfg->xsize); |
| 540 | cfg->ypos = min((unsigned int)top, |
| 541 | vpbe_dev->current_timings.yres - cfg->ysize); |
| 542 | |
| 543 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 544 | "new xpos = %d, ypos = %d\n", |
| 545 | cfg->xpos, cfg->ypos); |
| 546 | } |
| 547 | |
| 548 | static void vpbe_disp_check_window_params(struct vpbe_display *disp_dev, |
| 549 | struct v4l2_rect *c) |
| 550 | { |
| 551 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 552 | |
| 553 | if ((c->width == 0) || |
| 554 | ((c->width + c->left) > vpbe_dev->current_timings.xres)) |
| 555 | c->width = vpbe_dev->current_timings.xres - c->left; |
| 556 | |
| 557 | if ((c->height == 0) || ((c->height + c->top) > |
| 558 | vpbe_dev->current_timings.yres)) |
| 559 | c->height = vpbe_dev->current_timings.yres - c->top; |
| 560 | |
| 561 | /* window height must be even for interlaced display */ |
| 562 | if (vpbe_dev->current_timings.interlaced) |
| 563 | c->height &= (~0x01); |
| 564 | |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * vpbe_try_format() |
| 569 | * If user application provides width and height, and have bytesperline set |
| 570 | * to zero, driver calculates bytesperline and sizeimage based on hardware |
| 571 | * limits. |
| 572 | */ |
| 573 | static int vpbe_try_format(struct vpbe_display *disp_dev, |
| 574 | struct v4l2_pix_format *pixfmt, int check) |
| 575 | { |
| 576 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 577 | int min_height = 1; |
| 578 | int min_width = 32; |
| 579 | int max_height; |
| 580 | int max_width; |
| 581 | int bpp; |
| 582 | |
| 583 | if ((pixfmt->pixelformat != V4L2_PIX_FMT_UYVY) && |
| 584 | (pixfmt->pixelformat != V4L2_PIX_FMT_NV12)) |
| 585 | /* choose default as V4L2_PIX_FMT_UYVY */ |
| 586 | pixfmt->pixelformat = V4L2_PIX_FMT_UYVY; |
| 587 | |
| 588 | /* Check the field format */ |
| 589 | if ((pixfmt->field != V4L2_FIELD_INTERLACED) && |
| 590 | (pixfmt->field != V4L2_FIELD_NONE)) { |
| 591 | if (vpbe_dev->current_timings.interlaced) |
| 592 | pixfmt->field = V4L2_FIELD_INTERLACED; |
| 593 | else |
| 594 | pixfmt->field = V4L2_FIELD_NONE; |
| 595 | } |
| 596 | |
| 597 | if (pixfmt->field == V4L2_FIELD_INTERLACED) |
| 598 | min_height = 2; |
| 599 | |
| 600 | if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12) |
| 601 | bpp = 1; |
| 602 | else |
| 603 | bpp = 2; |
| 604 | |
| 605 | max_width = vpbe_dev->current_timings.xres; |
| 606 | max_height = vpbe_dev->current_timings.yres; |
| 607 | |
| 608 | min_width /= bpp; |
| 609 | |
| 610 | if (!pixfmt->width || (pixfmt->width < min_width) || |
| 611 | (pixfmt->width > max_width)) { |
| 612 | pixfmt->width = vpbe_dev->current_timings.xres; |
| 613 | } |
| 614 | |
| 615 | if (!pixfmt->height || (pixfmt->height < min_height) || |
| 616 | (pixfmt->height > max_height)) { |
| 617 | pixfmt->height = vpbe_dev->current_timings.yres; |
| 618 | } |
| 619 | |
| 620 | if (pixfmt->bytesperline < (pixfmt->width * bpp)) |
| 621 | pixfmt->bytesperline = pixfmt->width * bpp; |
| 622 | |
| 623 | /* Make the bytesperline 32 byte aligned */ |
| 624 | pixfmt->bytesperline = ((pixfmt->width * bpp + 31) & ~31); |
| 625 | |
| 626 | if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12) |
| 627 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height + |
| 628 | (pixfmt->bytesperline * pixfmt->height >> 1); |
| 629 | else |
| 630 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height; |
| 631 | |
| 632 | return 0; |
| 633 | } |
| 634 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 635 | static int vpbe_display_querycap(struct file *file, void *priv, |
| 636 | struct v4l2_capability *cap) |
| 637 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 638 | struct vpbe_layer *layer = video_drvdata(file); |
| 639 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 640 | |
Lad, Prabhakar | d046628 | 2012-10-22 09:27:14 -0300 | [diff] [blame] | 641 | cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; |
| 642 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
| 643 | snprintf(cap->driver, sizeof(cap->driver), "%s", |
| 644 | dev_name(vpbe_dev->pdev)); |
| 645 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
| 646 | dev_name(vpbe_dev->pdev)); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 647 | strlcpy(cap->card, vpbe_dev->cfg->module_name, sizeof(cap->card)); |
| 648 | |
| 649 | return 0; |
| 650 | } |
| 651 | |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 652 | static int vpbe_display_s_selection(struct file *file, void *priv, |
| 653 | struct v4l2_selection *sel) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 654 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 655 | struct vpbe_layer *layer = video_drvdata(file); |
| 656 | struct vpbe_display *disp_dev = layer->disp_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 657 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 658 | struct osd_layer_config *cfg = &layer->layer_info.config; |
| 659 | struct osd_state *osd_device = disp_dev->osd_device; |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 660 | struct v4l2_rect rect = sel->r; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 661 | int ret; |
| 662 | |
| 663 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 664 | "VIDIOC_S_SELECTION, layer id = %d\n", layer->device_id); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 665 | |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 666 | if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT || |
| 667 | sel->target != V4L2_SEL_TGT_CROP) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 668 | return -EINVAL; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 669 | |
Lad, Prabhakar | fabc4e9 | 2012-10-03 02:13:28 -0300 | [diff] [blame] | 670 | if (rect.top < 0) |
| 671 | rect.top = 0; |
| 672 | if (rect.left < 0) |
| 673 | rect.left = 0; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 674 | |
Lad, Prabhakar | fabc4e9 | 2012-10-03 02:13:28 -0300 | [diff] [blame] | 675 | vpbe_disp_check_window_params(disp_dev, &rect); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 676 | |
| 677 | osd_device->ops.get_layer_config(osd_device, |
| 678 | layer->layer_info.id, cfg); |
| 679 | |
| 680 | vpbe_disp_calculate_scale_factor(disp_dev, layer, |
Lad, Prabhakar | fabc4e9 | 2012-10-03 02:13:28 -0300 | [diff] [blame] | 681 | rect.width, |
| 682 | rect.height); |
| 683 | vpbe_disp_adj_position(disp_dev, layer, rect.top, |
| 684 | rect.left); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 685 | ret = osd_device->ops.set_layer_config(osd_device, |
| 686 | layer->layer_info.id, cfg); |
| 687 | if (ret < 0) { |
| 688 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 689 | "Error in set layer config:\n"); |
| 690 | return -EINVAL; |
| 691 | } |
| 692 | |
| 693 | /* apply zooming and h or v expansion */ |
| 694 | osd_device->ops.set_zoom(osd_device, |
| 695 | layer->layer_info.id, |
| 696 | layer->layer_info.h_zoom, |
| 697 | layer->layer_info.v_zoom); |
| 698 | ret = osd_device->ops.set_vid_expansion(osd_device, |
| 699 | layer->layer_info.h_exp, |
| 700 | layer->layer_info.v_exp); |
| 701 | if (ret < 0) { |
| 702 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 703 | "Error in set vid expansion:\n"); |
| 704 | return -EINVAL; |
| 705 | } |
| 706 | |
| 707 | if ((layer->layer_info.h_zoom != ZOOM_X1) || |
| 708 | (layer->layer_info.v_zoom != ZOOM_X1) || |
| 709 | (layer->layer_info.h_exp != H_EXP_OFF) || |
| 710 | (layer->layer_info.v_exp != V_EXP_OFF)) |
| 711 | /* Enable expansion filter */ |
| 712 | osd_device->ops.set_interpolation_filter(osd_device, 1); |
| 713 | else |
| 714 | osd_device->ops.set_interpolation_filter(osd_device, 0); |
| 715 | |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 716 | sel->r = rect; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 717 | return 0; |
| 718 | } |
| 719 | |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 720 | static int vpbe_display_g_selection(struct file *file, void *priv, |
| 721 | struct v4l2_selection *sel) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 722 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 723 | struct vpbe_layer *layer = video_drvdata(file); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 724 | struct osd_layer_config *cfg = &layer->layer_info.config; |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 725 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
| 726 | struct osd_state *osd_device = layer->disp_dev->osd_device; |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 727 | struct v4l2_rect *rect = &sel->r; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 728 | |
| 729 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 730 | "VIDIOC_G_SELECTION, layer id = %d\n", |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 731 | layer->device_id); |
| 732 | |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 733 | if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 734 | return -EINVAL; |
| 735 | |
| 736 | switch (sel->target) { |
| 737 | case V4L2_SEL_TGT_CROP: |
| 738 | osd_device->ops.get_layer_config(osd_device, |
| 739 | layer->layer_info.id, cfg); |
| 740 | rect->top = cfg->ypos; |
| 741 | rect->left = cfg->xpos; |
| 742 | rect->width = cfg->xsize; |
| 743 | rect->height = cfg->ysize; |
| 744 | break; |
| 745 | case V4L2_SEL_TGT_CROP_DEFAULT: |
| 746 | case V4L2_SEL_TGT_CROP_BOUNDS: |
| 747 | rect->left = 0; |
| 748 | rect->top = 0; |
| 749 | rect->width = vpbe_dev->current_timings.xres; |
| 750 | rect->height = vpbe_dev->current_timings.yres; |
| 751 | break; |
| 752 | default: |
Wei Yongjun | e276f03 | 2012-12-02 22:50:47 -0300 | [diff] [blame] | 753 | return -EINVAL; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 754 | } |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 755 | |
| 756 | return 0; |
| 757 | } |
| 758 | |
| 759 | static int vpbe_display_cropcap(struct file *file, void *priv, |
| 760 | struct v4l2_cropcap *cropcap) |
| 761 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 762 | struct vpbe_layer *layer = video_drvdata(file); |
| 763 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 764 | |
| 765 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_CROPCAP ioctl\n"); |
| 766 | |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 767 | if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 768 | return -EINVAL; |
| 769 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 770 | cropcap->pixelaspect = vpbe_dev->current_timings.aspect; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 771 | return 0; |
| 772 | } |
| 773 | |
| 774 | static int vpbe_display_g_fmt(struct file *file, void *priv, |
| 775 | struct v4l2_format *fmt) |
| 776 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 777 | struct vpbe_layer *layer = video_drvdata(file); |
| 778 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 779 | |
| 780 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 781 | "VIDIOC_G_FMT, layer id = %d\n", |
| 782 | layer->device_id); |
| 783 | |
| 784 | /* If buffer type is video output */ |
| 785 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) { |
| 786 | v4l2_err(&vpbe_dev->v4l2_dev, "invalid type\n"); |
| 787 | return -EINVAL; |
| 788 | } |
| 789 | /* Fill in the information about format */ |
| 790 | fmt->fmt.pix = layer->pix_fmt; |
| 791 | |
| 792 | return 0; |
| 793 | } |
| 794 | |
| 795 | static int vpbe_display_enum_fmt(struct file *file, void *priv, |
| 796 | struct v4l2_fmtdesc *fmt) |
| 797 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 798 | struct vpbe_layer *layer = video_drvdata(file); |
| 799 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 800 | unsigned int index = 0; |
| 801 | |
| 802 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 803 | "VIDIOC_ENUM_FMT, layer id = %d\n", |
| 804 | layer->device_id); |
| 805 | if (fmt->index > 1) { |
| 806 | v4l2_err(&vpbe_dev->v4l2_dev, "Invalid format index\n"); |
| 807 | return -EINVAL; |
| 808 | } |
| 809 | |
| 810 | /* Fill in the information about format */ |
| 811 | index = fmt->index; |
| 812 | memset(fmt, 0, sizeof(*fmt)); |
| 813 | fmt->index = index; |
| 814 | fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 815 | if (index == 0) { |
| 816 | strcpy(fmt->description, "YUV 4:2:2 - UYVY"); |
| 817 | fmt->pixelformat = V4L2_PIX_FMT_UYVY; |
| 818 | } else { |
| 819 | strcpy(fmt->description, "Y/CbCr 4:2:0"); |
| 820 | fmt->pixelformat = V4L2_PIX_FMT_NV12; |
| 821 | } |
| 822 | |
| 823 | return 0; |
| 824 | } |
| 825 | |
| 826 | static int vpbe_display_s_fmt(struct file *file, void *priv, |
| 827 | struct v4l2_format *fmt) |
| 828 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 829 | struct vpbe_layer *layer = video_drvdata(file); |
| 830 | struct vpbe_display *disp_dev = layer->disp_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 831 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 832 | struct osd_layer_config *cfg = &layer->layer_info.config; |
| 833 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
| 834 | struct osd_state *osd_device = disp_dev->osd_device; |
| 835 | int ret; |
| 836 | |
| 837 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 838 | "VIDIOC_S_FMT, layer id = %d\n", |
| 839 | layer->device_id); |
| 840 | |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 841 | if (vb2_is_busy(&layer->buffer_queue)) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 842 | return -EBUSY; |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 843 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 844 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) { |
| 845 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "invalid type\n"); |
| 846 | return -EINVAL; |
| 847 | } |
| 848 | /* Check for valid pixel format */ |
| 849 | ret = vpbe_try_format(disp_dev, pixfmt, 1); |
| 850 | if (ret) |
| 851 | return ret; |
| 852 | |
| 853 | /* YUV420 is requested, check availability of the |
| 854 | other video window */ |
| 855 | |
| 856 | layer->pix_fmt = *pixfmt; |
Lad, Prabhakar | bdea0d2 | 2013-05-07 01:07:25 -0300 | [diff] [blame] | 857 | if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12) { |
| 858 | struct vpbe_layer *otherlayer; |
| 859 | |
| 860 | otherlayer = _vpbe_display_get_other_win_layer(disp_dev, layer); |
| 861 | /* if other layer is available, only |
| 862 | * claim it, do not configure it |
| 863 | */ |
| 864 | ret = osd_device->ops.request_layer(osd_device, |
| 865 | otherlayer->layer_info.id); |
| 866 | if (ret < 0) { |
| 867 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 868 | "Display Manager failed to allocate layer\n"); |
| 869 | return -EBUSY; |
| 870 | } |
| 871 | } |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 872 | |
| 873 | /* Get osd layer config */ |
| 874 | osd_device->ops.get_layer_config(osd_device, |
| 875 | layer->layer_info.id, cfg); |
| 876 | /* Store the pixel format in the layer object */ |
| 877 | cfg->xsize = pixfmt->width; |
| 878 | cfg->ysize = pixfmt->height; |
| 879 | cfg->line_length = pixfmt->bytesperline; |
| 880 | cfg->ypos = 0; |
| 881 | cfg->xpos = 0; |
| 882 | cfg->interlaced = vpbe_dev->current_timings.interlaced; |
| 883 | |
| 884 | if (V4L2_PIX_FMT_UYVY == pixfmt->pixelformat) |
Lad, Prabhakar | 849325e | 2013-05-03 08:39:25 -0300 | [diff] [blame] | 885 | cfg->pixfmt = PIXFMT_YCBCRI; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 886 | |
| 887 | /* Change of the default pixel format for both video windows */ |
| 888 | if (V4L2_PIX_FMT_NV12 == pixfmt->pixelformat) { |
| 889 | struct vpbe_layer *otherlayer; |
| 890 | cfg->pixfmt = PIXFMT_NV12; |
| 891 | otherlayer = _vpbe_display_get_other_win_layer(disp_dev, |
| 892 | layer); |
| 893 | otherlayer->layer_info.config.pixfmt = PIXFMT_NV12; |
| 894 | } |
| 895 | |
| 896 | /* Set the layer config in the osd window */ |
| 897 | ret = osd_device->ops.set_layer_config(osd_device, |
| 898 | layer->layer_info.id, cfg); |
| 899 | if (ret < 0) { |
| 900 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 901 | "Error in S_FMT params:\n"); |
| 902 | return -EINVAL; |
| 903 | } |
| 904 | |
| 905 | /* Readback and fill the local copy of current pix format */ |
| 906 | osd_device->ops.get_layer_config(osd_device, |
| 907 | layer->layer_info.id, cfg); |
| 908 | |
| 909 | return 0; |
| 910 | } |
| 911 | |
| 912 | static int vpbe_display_try_fmt(struct file *file, void *priv, |
| 913 | struct v4l2_format *fmt) |
| 914 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 915 | struct vpbe_layer *layer = video_drvdata(file); |
| 916 | struct vpbe_display *disp_dev = layer->disp_dev; |
| 917 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 918 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
| 919 | |
| 920 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_TRY_FMT\n"); |
| 921 | |
| 922 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) { |
| 923 | v4l2_err(&vpbe_dev->v4l2_dev, "invalid type\n"); |
| 924 | return -EINVAL; |
| 925 | } |
| 926 | |
| 927 | /* Check for valid field format */ |
| 928 | return vpbe_try_format(disp_dev, pixfmt, 0); |
| 929 | |
| 930 | } |
| 931 | |
| 932 | /** |
| 933 | * vpbe_display_s_std - Set the given standard in the encoder |
| 934 | * |
| 935 | * Sets the standard if supported by the current encoder. Return the status. |
| 936 | * 0 - success & -EINVAL on error |
| 937 | */ |
| 938 | static int vpbe_display_s_std(struct file *file, void *priv, |
Hans Verkuil | 314527a | 2013-03-15 06:10:40 -0300 | [diff] [blame] | 939 | v4l2_std_id std_id) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 940 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 941 | struct vpbe_layer *layer = video_drvdata(file); |
| 942 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 943 | int ret; |
| 944 | |
| 945 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_STD\n"); |
| 946 | |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 947 | if (vb2_is_busy(&layer->buffer_queue)) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 948 | return -EBUSY; |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 949 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 950 | if (NULL != vpbe_dev->ops.s_std) { |
| 951 | ret = vpbe_dev->ops.s_std(vpbe_dev, std_id); |
| 952 | if (ret) { |
| 953 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 954 | "Failed to set standard for sub devices\n"); |
| 955 | return -EINVAL; |
| 956 | } |
| 957 | } else { |
| 958 | return -EINVAL; |
| 959 | } |
| 960 | |
| 961 | return 0; |
| 962 | } |
| 963 | |
| 964 | /** |
| 965 | * vpbe_display_g_std - Get the standard in the current encoder |
| 966 | * |
| 967 | * Get the standard in the current encoder. Return the status. 0 - success |
| 968 | * -EINVAL on error |
| 969 | */ |
| 970 | static int vpbe_display_g_std(struct file *file, void *priv, |
| 971 | v4l2_std_id *std_id) |
| 972 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 973 | struct vpbe_layer *layer = video_drvdata(file); |
| 974 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 975 | |
| 976 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_STD\n"); |
| 977 | |
| 978 | /* Get the standard from the current encoder */ |
| 979 | if (vpbe_dev->current_timings.timings_type & VPBE_ENC_STD) { |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 980 | *std_id = vpbe_dev->current_timings.std_id; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 981 | return 0; |
| 982 | } |
| 983 | |
| 984 | return -EINVAL; |
| 985 | } |
| 986 | |
| 987 | /** |
| 988 | * vpbe_display_enum_output - enumerate outputs |
| 989 | * |
| 990 | * Enumerates the outputs available at the vpbe display |
| 991 | * returns the status, -EINVAL if end of output list |
| 992 | */ |
| 993 | static int vpbe_display_enum_output(struct file *file, void *priv, |
| 994 | struct v4l2_output *output) |
| 995 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 996 | struct vpbe_layer *layer = video_drvdata(file); |
| 997 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 998 | int ret; |
| 999 | |
| 1000 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_OUTPUT\n"); |
| 1001 | |
| 1002 | /* Enumerate outputs */ |
| 1003 | |
| 1004 | if (NULL == vpbe_dev->ops.enum_outputs) |
| 1005 | return -EINVAL; |
| 1006 | |
| 1007 | ret = vpbe_dev->ops.enum_outputs(vpbe_dev, output); |
| 1008 | if (ret) { |
| 1009 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 1010 | "Failed to enumerate outputs\n"); |
| 1011 | return -EINVAL; |
| 1012 | } |
| 1013 | |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
| 1017 | /** |
| 1018 | * vpbe_display_s_output - Set output to |
| 1019 | * the output specified by the index |
| 1020 | */ |
| 1021 | static int vpbe_display_s_output(struct file *file, void *priv, |
| 1022 | unsigned int i) |
| 1023 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1024 | struct vpbe_layer *layer = video_drvdata(file); |
| 1025 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1026 | int ret; |
| 1027 | |
| 1028 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_OUTPUT\n"); |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 1029 | |
| 1030 | if (vb2_is_busy(&layer->buffer_queue)) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1031 | return -EBUSY; |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 1032 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1033 | if (NULL == vpbe_dev->ops.set_output) |
| 1034 | return -EINVAL; |
| 1035 | |
| 1036 | ret = vpbe_dev->ops.set_output(vpbe_dev, i); |
| 1037 | if (ret) { |
| 1038 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 1039 | "Failed to set output for sub devices\n"); |
| 1040 | return -EINVAL; |
| 1041 | } |
| 1042 | |
| 1043 | return 0; |
| 1044 | } |
| 1045 | |
| 1046 | /** |
| 1047 | * vpbe_display_g_output - Get output from subdevice |
| 1048 | * for a given by the index |
| 1049 | */ |
| 1050 | static int vpbe_display_g_output(struct file *file, void *priv, |
| 1051 | unsigned int *i) |
| 1052 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1053 | struct vpbe_layer *layer = video_drvdata(file); |
| 1054 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1055 | |
| 1056 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_OUTPUT\n"); |
| 1057 | /* Get the standard from the current encoder */ |
| 1058 | *i = vpbe_dev->current_out_index; |
| 1059 | |
| 1060 | return 0; |
| 1061 | } |
| 1062 | |
| 1063 | /** |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1064 | * vpbe_display_enum_dv_timings - Enumerate the dv timings |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1065 | * |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1066 | * enum the timings in the current encoder. Return the status. 0 - success |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1067 | * -EINVAL on error |
| 1068 | */ |
| 1069 | static int |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1070 | vpbe_display_enum_dv_timings(struct file *file, void *priv, |
| 1071 | struct v4l2_enum_dv_timings *timings) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1072 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1073 | struct vpbe_layer *layer = video_drvdata(file); |
| 1074 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1075 | int ret; |
| 1076 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1077 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_DV_TIMINGS\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1078 | |
| 1079 | /* Enumerate outputs */ |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1080 | if (NULL == vpbe_dev->ops.enum_dv_timings) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1081 | return -EINVAL; |
| 1082 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1083 | ret = vpbe_dev->ops.enum_dv_timings(vpbe_dev, timings); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1084 | if (ret) { |
| 1085 | v4l2_err(&vpbe_dev->v4l2_dev, |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1086 | "Failed to enumerate dv timings info\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1087 | return -EINVAL; |
| 1088 | } |
| 1089 | |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
| 1093 | /** |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1094 | * vpbe_display_s_dv_timings - Set the dv timings |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1095 | * |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1096 | * Set the timings in the current encoder. Return the status. 0 - success |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1097 | * -EINVAL on error |
| 1098 | */ |
| 1099 | static int |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1100 | vpbe_display_s_dv_timings(struct file *file, void *priv, |
| 1101 | struct v4l2_dv_timings *timings) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1102 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1103 | struct vpbe_layer *layer = video_drvdata(file); |
| 1104 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1105 | int ret; |
| 1106 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1107 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_DV_TIMINGS\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1108 | |
Prabhakar Lad | 1b73f03 | 2014-10-12 17:40:42 -0300 | [diff] [blame] | 1109 | if (vb2_is_busy(&layer->buffer_queue)) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1110 | return -EBUSY; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1111 | |
| 1112 | /* Set the given standard in the encoder */ |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1113 | if (!vpbe_dev->ops.s_dv_timings) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1114 | return -EINVAL; |
| 1115 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1116 | ret = vpbe_dev->ops.s_dv_timings(vpbe_dev, timings); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1117 | if (ret) { |
| 1118 | v4l2_err(&vpbe_dev->v4l2_dev, |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1119 | "Failed to set the dv timings info\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1120 | return -EINVAL; |
| 1121 | } |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1122 | |
| 1123 | return 0; |
| 1124 | } |
| 1125 | |
| 1126 | /** |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1127 | * vpbe_display_g_dv_timings - Set the dv timings |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1128 | * |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1129 | * Get the timings in the current encoder. Return the status. 0 - success |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1130 | * -EINVAL on error |
| 1131 | */ |
| 1132 | static int |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1133 | vpbe_display_g_dv_timings(struct file *file, void *priv, |
| 1134 | struct v4l2_dv_timings *dv_timings) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1135 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1136 | struct vpbe_layer *layer = video_drvdata(file); |
| 1137 | struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1138 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1139 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_DV_TIMINGS\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1140 | |
| 1141 | /* Get the given standard in the encoder */ |
| 1142 | |
| 1143 | if (vpbe_dev->current_timings.timings_type & |
Hans Verkuil | ef2d41b | 2013-02-15 15:06:28 -0300 | [diff] [blame] | 1144 | VPBE_ENC_DV_TIMINGS) { |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1145 | *dv_timings = vpbe_dev->current_timings.dv_timings; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1146 | } else { |
| 1147 | return -EINVAL; |
| 1148 | } |
| 1149 | |
| 1150 | return 0; |
| 1151 | } |
| 1152 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1153 | /* |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1154 | * vpbe_display_open() |
| 1155 | * It creates object of file handle structure and stores it in private_data |
| 1156 | * member of filepointer |
| 1157 | */ |
| 1158 | static int vpbe_display_open(struct file *file) |
| 1159 | { |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1160 | struct vpbe_layer *layer = video_drvdata(file); |
| 1161 | struct vpbe_display *disp_dev = layer->disp_dev; |
| 1162 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 1163 | struct osd_state *osd_device = disp_dev->osd_device; |
| 1164 | int err; |
| 1165 | |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1166 | /* creating context for file descriptor */ |
| 1167 | err = v4l2_fh_open(file); |
| 1168 | if (err) { |
| 1169 | v4l2_err(&vpbe_dev->v4l2_dev, "v4l2_fh_open failed\n"); |
| 1170 | return err; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1171 | } |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1172 | |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1173 | /* leaving if layer is already initialized */ |
| 1174 | if (!v4l2_fh_is_singular_file(file)) |
| 1175 | return err; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1176 | |
| 1177 | if (!layer->usrs) { |
Hans Verkuil | cbc807d | 2012-06-24 06:16:44 -0300 | [diff] [blame] | 1178 | if (mutex_lock_interruptible(&layer->opslock)) |
| 1179 | return -ERESTARTSYS; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1180 | /* First claim the layer for this device */ |
| 1181 | err = osd_device->ops.request_layer(osd_device, |
| 1182 | layer->layer_info.id); |
Hans Verkuil | cbc807d | 2012-06-24 06:16:44 -0300 | [diff] [blame] | 1183 | mutex_unlock(&layer->opslock); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1184 | if (err < 0) { |
| 1185 | /* Couldn't get layer */ |
| 1186 | v4l2_err(&vpbe_dev->v4l2_dev, |
| 1187 | "Display Manager failed to allocate layer\n"); |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1188 | v4l2_fh_release(file); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1189 | return -EINVAL; |
| 1190 | } |
| 1191 | } |
| 1192 | /* Increment layer usrs counter */ |
| 1193 | layer->usrs++; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1194 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, |
| 1195 | "vpbe display device opened successfully\n"); |
| 1196 | return 0; |
| 1197 | } |
| 1198 | |
| 1199 | /* |
| 1200 | * vpbe_display_release() |
| 1201 | * This function deletes buffer queue, frees the buffers and the davinci |
| 1202 | * display file * handle |
| 1203 | */ |
| 1204 | static int vpbe_display_release(struct file *file) |
| 1205 | { |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1206 | struct vpbe_layer *layer = video_drvdata(file); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1207 | struct osd_layer_config *cfg = &layer->layer_info.config; |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1208 | struct vpbe_display *disp_dev = layer->disp_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1209 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
| 1210 | struct osd_state *osd_device = disp_dev->osd_device; |
| 1211 | |
| 1212 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_release\n"); |
| 1213 | |
Hans Verkuil | cbc807d | 2012-06-24 06:16:44 -0300 | [diff] [blame] | 1214 | mutex_lock(&layer->opslock); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1215 | |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1216 | osd_device->ops.disable_layer(osd_device, |
| 1217 | layer->layer_info.id); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1218 | /* Decrement layer usrs counter */ |
| 1219 | layer->usrs--; |
| 1220 | /* If this file handle has initialize encoder device, reset it */ |
| 1221 | if (!layer->usrs) { |
| 1222 | if (cfg->pixfmt == PIXFMT_NV12) { |
| 1223 | struct vpbe_layer *otherlayer; |
| 1224 | otherlayer = |
| 1225 | _vpbe_display_get_other_win_layer(disp_dev, layer); |
| 1226 | osd_device->ops.disable_layer(osd_device, |
| 1227 | otherlayer->layer_info.id); |
| 1228 | osd_device->ops.release_layer(osd_device, |
| 1229 | otherlayer->layer_info.id); |
| 1230 | } |
| 1231 | osd_device->ops.disable_layer(osd_device, |
| 1232 | layer->layer_info.id); |
| 1233 | osd_device->ops.release_layer(osd_device, |
| 1234 | layer->layer_info.id); |
| 1235 | } |
Lad, Prabhakar | 3d7543b9 | 2014-03-22 07:57:59 -0300 | [diff] [blame] | 1236 | |
Prabhakar Lad | 4bb1231 | 2014-10-12 17:40:37 -0300 | [diff] [blame] | 1237 | _vb2_fop_release(file, NULL); |
Hans Verkuil | cbc807d | 2012-06-24 06:16:44 -0300 | [diff] [blame] | 1238 | mutex_unlock(&layer->opslock); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1239 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1240 | disp_dev->cbcr_ofst = 0; |
| 1241 | |
| 1242 | return 0; |
| 1243 | } |
| 1244 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1245 | /* vpbe capture ioctl operations */ |
| 1246 | static const struct v4l2_ioctl_ops vpbe_ioctl_ops = { |
| 1247 | .vidioc_querycap = vpbe_display_querycap, |
| 1248 | .vidioc_g_fmt_vid_out = vpbe_display_g_fmt, |
| 1249 | .vidioc_enum_fmt_vid_out = vpbe_display_enum_fmt, |
| 1250 | .vidioc_s_fmt_vid_out = vpbe_display_s_fmt, |
| 1251 | .vidioc_try_fmt_vid_out = vpbe_display_try_fmt, |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 1252 | |
| 1253 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
Prabhakar Lad | 7041bc9 | 2014-10-22 18:42:01 -0300 | [diff] [blame] | 1254 | .vidioc_create_bufs = vb2_ioctl_create_bufs, |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 1255 | .vidioc_querybuf = vb2_ioctl_querybuf, |
| 1256 | .vidioc_qbuf = vb2_ioctl_qbuf, |
| 1257 | .vidioc_dqbuf = vb2_ioctl_dqbuf, |
| 1258 | .vidioc_streamon = vb2_ioctl_streamon, |
| 1259 | .vidioc_streamoff = vb2_ioctl_streamoff, |
Prabhakar Lad | c24376f | 2014-10-12 17:40:41 -0300 | [diff] [blame] | 1260 | .vidioc_expbuf = vb2_ioctl_expbuf, |
Prabhakar Lad | 41cf47b | 2014-10-12 17:40:38 -0300 | [diff] [blame] | 1261 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1262 | .vidioc_cropcap = vpbe_display_cropcap, |
Hans Verkuil | 516aca3 | 2016-07-03 07:53:31 -0300 | [diff] [blame] | 1263 | .vidioc_g_selection = vpbe_display_g_selection, |
| 1264 | .vidioc_s_selection = vpbe_display_s_selection, |
Prabhakar Lad | a8afe38 | 2014-10-12 17:40:44 -0300 | [diff] [blame] | 1265 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1266 | .vidioc_s_std = vpbe_display_s_std, |
| 1267 | .vidioc_g_std = vpbe_display_g_std, |
Prabhakar Lad | a8afe38 | 2014-10-12 17:40:44 -0300 | [diff] [blame] | 1268 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1269 | .vidioc_enum_output = vpbe_display_enum_output, |
| 1270 | .vidioc_s_output = vpbe_display_s_output, |
| 1271 | .vidioc_g_output = vpbe_display_g_output, |
Prabhakar Lad | a8afe38 | 2014-10-12 17:40:44 -0300 | [diff] [blame] | 1272 | |
Hans Verkuil | 3686408 | 2012-10-01 11:39:46 -0300 | [diff] [blame] | 1273 | .vidioc_s_dv_timings = vpbe_display_s_dv_timings, |
| 1274 | .vidioc_g_dv_timings = vpbe_display_g_dv_timings, |
| 1275 | .vidioc_enum_dv_timings = vpbe_display_enum_dv_timings, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1276 | }; |
| 1277 | |
| 1278 | static struct v4l2_file_operations vpbe_fops = { |
| 1279 | .owner = THIS_MODULE, |
| 1280 | .open = vpbe_display_open, |
| 1281 | .release = vpbe_display_release, |
| 1282 | .unlocked_ioctl = video_ioctl2, |
Prabhakar Lad | 266c9c2 | 2014-10-12 17:40:36 -0300 | [diff] [blame] | 1283 | .mmap = vb2_fop_mmap, |
| 1284 | .poll = vb2_fop_poll, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1285 | }; |
| 1286 | |
| 1287 | static int vpbe_device_get(struct device *dev, void *data) |
| 1288 | { |
| 1289 | struct platform_device *pdev = to_platform_device(dev); |
| 1290 | struct vpbe_display *vpbe_disp = data; |
| 1291 | |
| 1292 | if (strcmp("vpbe_controller", pdev->name) == 0) |
| 1293 | vpbe_disp->vpbe_dev = platform_get_drvdata(pdev); |
| 1294 | |
Lad, Prabhakar | caff80c | 2012-11-20 07:30:36 -0300 | [diff] [blame] | 1295 | if (strstr(pdev->name, "vpbe-osd") != NULL) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1296 | vpbe_disp->osd_device = platform_get_drvdata(pdev); |
| 1297 | |
| 1298 | return 0; |
| 1299 | } |
| 1300 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 1301 | static int init_vpbe_layer(int i, struct vpbe_display *disp_dev, |
| 1302 | struct platform_device *pdev) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1303 | { |
| 1304 | struct vpbe_layer *vpbe_display_layer = NULL; |
| 1305 | struct video_device *vbd = NULL; |
| 1306 | |
| 1307 | /* Allocate memory for four plane display objects */ |
| 1308 | |
| 1309 | disp_dev->dev[i] = |
| 1310 | kzalloc(sizeof(struct vpbe_layer), GFP_KERNEL); |
| 1311 | |
| 1312 | /* If memory allocation fails, return error */ |
| 1313 | if (!disp_dev->dev[i]) { |
| 1314 | printk(KERN_ERR "ran out of memory\n"); |
| 1315 | return -ENOMEM; |
| 1316 | } |
| 1317 | spin_lock_init(&disp_dev->dev[i]->irqlock); |
| 1318 | mutex_init(&disp_dev->dev[i]->opslock); |
| 1319 | |
| 1320 | /* Get the pointer to the layer object */ |
| 1321 | vpbe_display_layer = disp_dev->dev[i]; |
| 1322 | vbd = &vpbe_display_layer->video_dev; |
| 1323 | /* Initialize field of video device */ |
| 1324 | vbd->release = video_device_release_empty; |
| 1325 | vbd->fops = &vpbe_fops; |
| 1326 | vbd->ioctl_ops = &vpbe_ioctl_ops; |
| 1327 | vbd->minor = -1; |
| 1328 | vbd->v4l2_dev = &disp_dev->vpbe_dev->v4l2_dev; |
| 1329 | vbd->lock = &vpbe_display_layer->opslock; |
Hans Verkuil | 954f340 | 2012-09-05 06:05:50 -0300 | [diff] [blame] | 1330 | vbd->vfl_dir = VFL_DIR_TX; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1331 | |
| 1332 | if (disp_dev->vpbe_dev->current_timings.timings_type & |
Hans Verkuil | 142b66e | 2013-02-19 13:33:34 -0300 | [diff] [blame] | 1333 | VPBE_ENC_STD) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1334 | vbd->tvnorms = (V4L2_STD_525_60 | V4L2_STD_625_50); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1335 | |
| 1336 | snprintf(vbd->name, sizeof(vbd->name), |
| 1337 | "DaVinci_VPBE Display_DRIVER_V%d.%d.%d", |
| 1338 | (VPBE_DISPLAY_VERSION_CODE >> 16) & 0xff, |
| 1339 | (VPBE_DISPLAY_VERSION_CODE >> 8) & 0xff, |
| 1340 | (VPBE_DISPLAY_VERSION_CODE) & 0xff); |
| 1341 | |
| 1342 | vpbe_display_layer->device_id = i; |
| 1343 | |
| 1344 | vpbe_display_layer->layer_info.id = |
| 1345 | ((i == VPBE_DISPLAY_DEVICE_0) ? WIN_VID0 : WIN_VID1); |
| 1346 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1347 | |
| 1348 | return 0; |
| 1349 | } |
| 1350 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 1351 | static int register_device(struct vpbe_layer *vpbe_display_layer, |
| 1352 | struct vpbe_display *disp_dev, |
| 1353 | struct platform_device *pdev) |
| 1354 | { |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1355 | int err; |
| 1356 | |
| 1357 | v4l2_info(&disp_dev->vpbe_dev->v4l2_dev, |
| 1358 | "Trying to register VPBE display device.\n"); |
| 1359 | v4l2_info(&disp_dev->vpbe_dev->v4l2_dev, |
| 1360 | "layer=%x,layer->video_dev=%x\n", |
| 1361 | (int)vpbe_display_layer, |
| 1362 | (int)&vpbe_display_layer->video_dev); |
| 1363 | |
Prabhakar Lad | 266c9c2 | 2014-10-12 17:40:36 -0300 | [diff] [blame] | 1364 | vpbe_display_layer->video_dev.queue = &vpbe_display_layer->buffer_queue; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1365 | err = video_register_device(&vpbe_display_layer->video_dev, |
| 1366 | VFL_TYPE_GRABBER, |
| 1367 | -1); |
| 1368 | if (err) |
| 1369 | return -ENODEV; |
| 1370 | |
| 1371 | vpbe_display_layer->disp_dev = disp_dev; |
| 1372 | /* set the driver data in platform device */ |
| 1373 | platform_set_drvdata(pdev, disp_dev); |
| 1374 | video_set_drvdata(&vpbe_display_layer->video_dev, |
| 1375 | vpbe_display_layer); |
| 1376 | |
| 1377 | return 0; |
| 1378 | } |
| 1379 | |
| 1380 | |
| 1381 | |
| 1382 | /* |
| 1383 | * vpbe_display_probe() |
| 1384 | * This function creates device entries by register itself to the V4L2 driver |
| 1385 | * and initializes fields of each layer objects |
| 1386 | */ |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 1387 | static int vpbe_display_probe(struct platform_device *pdev) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1388 | { |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1389 | struct vpbe_display *disp_dev; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1390 | struct v4l2_device *v4l2_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1391 | struct resource *res = NULL; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1392 | struct vb2_queue *q; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1393 | int k; |
| 1394 | int i; |
| 1395 | int err; |
| 1396 | int irq; |
| 1397 | |
| 1398 | printk(KERN_DEBUG "vpbe_display_probe\n"); |
| 1399 | /* Allocate memory for vpbe_display */ |
Lad, Prabhakar | 6b55b45 | 2013-07-13 04:50:29 -0300 | [diff] [blame] | 1400 | disp_dev = devm_kzalloc(&pdev->dev, sizeof(struct vpbe_display), |
| 1401 | GFP_KERNEL); |
| 1402 | if (!disp_dev) |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1403 | return -ENOMEM; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1404 | |
| 1405 | spin_lock_init(&disp_dev->dma_queue_lock); |
| 1406 | /* |
| 1407 | * Scan all the platform devices to find the vpbe |
| 1408 | * controller device and get the vpbe_dev object |
| 1409 | */ |
| 1410 | err = bus_for_each_dev(&platform_bus_type, NULL, disp_dev, |
| 1411 | vpbe_device_get); |
| 1412 | if (err < 0) |
| 1413 | return err; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1414 | |
| 1415 | v4l2_dev = &disp_dev->vpbe_dev->v4l2_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1416 | /* Initialize the vpbe display controller */ |
| 1417 | if (NULL != disp_dev->vpbe_dev->ops.initialize) { |
| 1418 | err = disp_dev->vpbe_dev->ops.initialize(&pdev->dev, |
| 1419 | disp_dev->vpbe_dev); |
| 1420 | if (err) { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1421 | v4l2_err(v4l2_dev, "Error initing vpbe\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1422 | err = -ENOMEM; |
| 1423 | goto probe_out; |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) { |
| 1428 | if (init_vpbe_layer(i, disp_dev, pdev)) { |
| 1429 | err = -ENODEV; |
| 1430 | goto probe_out; |
| 1431 | } |
| 1432 | } |
| 1433 | |
| 1434 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
| 1435 | if (!res) { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1436 | v4l2_err(v4l2_dev, "Unable to get VENC interrupt resource\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1437 | err = -ENODEV; |
| 1438 | goto probe_out; |
| 1439 | } |
| 1440 | |
| 1441 | irq = res->start; |
Michael Opdenacker | d8c279a | 2013-09-08 23:30:11 -0300 | [diff] [blame] | 1442 | err = devm_request_irq(&pdev->dev, irq, venc_isr, 0, |
Lad, Prabhakar | 6b55b45 | 2013-07-13 04:50:29 -0300 | [diff] [blame] | 1443 | VPBE_DISPLAY_DRIVER, disp_dev); |
| 1444 | if (err) { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1445 | v4l2_err(v4l2_dev, "VPBE IRQ request failed\n"); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1446 | goto probe_out; |
| 1447 | } |
| 1448 | |
| 1449 | for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1450 | /* initialize vb2 queue */ |
| 1451 | q = &disp_dev->dev[i]->buffer_queue; |
| 1452 | memset(q, 0, sizeof(*q)); |
| 1453 | q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
Prabhakar Lad | 01118c9 | 2014-10-12 17:40:39 -0300 | [diff] [blame] | 1454 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1455 | q->drv_priv = disp_dev->dev[i]; |
| 1456 | q->ops = &video_qops; |
| 1457 | q->mem_ops = &vb2_dma_contig_memops; |
| 1458 | q->buf_struct_size = sizeof(struct vpbe_disp_buffer); |
| 1459 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 1460 | q->min_buffers_needed = 1; |
Prabhakar Lad | 488735b | 2014-10-12 17:40:33 -0300 | [diff] [blame] | 1461 | q->lock = &disp_dev->dev[i]->opslock; |
Hans Verkuil | 53ddcc6 | 2016-02-15 13:09:10 -0200 | [diff] [blame] | 1462 | q->dev = disp_dev->vpbe_dev->pdev; |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1463 | err = vb2_queue_init(q); |
| 1464 | if (err) { |
| 1465 | v4l2_err(v4l2_dev, "vb2_queue_init() failed\n"); |
| 1466 | goto probe_out; |
| 1467 | } |
| 1468 | |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1469 | INIT_LIST_HEAD(&disp_dev->dev[i]->dma_queue); |
| 1470 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1471 | if (register_device(disp_dev->dev[i], disp_dev, pdev)) { |
| 1472 | err = -ENODEV; |
Lad, Prabhakar | 6b55b45 | 2013-07-13 04:50:29 -0300 | [diff] [blame] | 1473 | goto probe_out; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1474 | } |
| 1475 | } |
| 1476 | |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1477 | v4l2_dbg(1, debug, v4l2_dev, |
| 1478 | "Successfully completed the probing of vpbe v4l2 device\n"); |
| 1479 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1480 | return 0; |
| 1481 | |
Julia Lawall | 49a0513 | 2011-10-28 19:58:17 -0300 | [diff] [blame] | 1482 | probe_out: |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1483 | for (k = 0; k < VPBE_DISPLAY_MAX_DEVICES; k++) { |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1484 | /* Unregister video device */ |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1485 | if (disp_dev->dev[k] != NULL) { |
Prabhakar Lad | e71a180 | 2014-10-12 17:40:31 -0300 | [diff] [blame] | 1486 | video_unregister_device(&disp_dev->dev[k]->video_dev); |
| 1487 | kfree(disp_dev->dev[k]); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1488 | } |
| 1489 | } |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1490 | return err; |
| 1491 | } |
| 1492 | |
| 1493 | /* |
| 1494 | * vpbe_display_remove() |
| 1495 | * It un-register hardware layer from V4L2 driver |
| 1496 | */ |
| 1497 | static int vpbe_display_remove(struct platform_device *pdev) |
| 1498 | { |
| 1499 | struct vpbe_layer *vpbe_display_layer; |
| 1500 | struct vpbe_display *disp_dev = platform_get_drvdata(pdev); |
| 1501 | struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1502 | int i; |
| 1503 | |
| 1504 | v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_remove\n"); |
| 1505 | |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1506 | /* deinitialize the vpbe display controller */ |
| 1507 | if (NULL != vpbe_dev->ops.deinitialize) |
| 1508 | vpbe_dev->ops.deinitialize(&pdev->dev, vpbe_dev); |
| 1509 | /* un-register device */ |
| 1510 | for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) { |
| 1511 | /* Get the pointer to the layer object */ |
| 1512 | vpbe_display_layer = disp_dev->dev[i]; |
| 1513 | /* Unregister video device */ |
| 1514 | video_unregister_device(&vpbe_display_layer->video_dev); |
| 1515 | |
| 1516 | } |
| 1517 | for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) { |
| 1518 | kfree(disp_dev->dev[i]); |
| 1519 | disp_dev->dev[i] = NULL; |
| 1520 | } |
| 1521 | |
| 1522 | return 0; |
| 1523 | } |
| 1524 | |
| 1525 | static struct platform_driver vpbe_display_driver = { |
| 1526 | .driver = { |
| 1527 | .name = VPBE_DISPLAY_DRIVER, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1528 | .bus = &platform_bus_type, |
| 1529 | }, |
| 1530 | .probe = vpbe_display_probe, |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 1531 | .remove = vpbe_display_remove, |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1532 | }; |
| 1533 | |
Axel Lin | 1d6629b | 2012-01-10 03:21:49 -0300 | [diff] [blame] | 1534 | module_platform_driver(vpbe_display_driver); |
Manjunath Hadli | a2c25b4 | 2011-06-17 04:01:31 -0300 | [diff] [blame] | 1535 | |
| 1536 | MODULE_DESCRIPTION("TI DM644x/DM355/DM365 VPBE Display controller"); |
| 1537 | MODULE_LICENSE("GPL"); |
| 1538 | MODULE_AUTHOR("Texas Instruments"); |