Commit | Line | Data |
---|---|---|
77113892 AP |
1 | /* |
2 | * Realtek RTL2832U SDR driver | |
3 | * | |
4 | * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; if not, write to the Free Software Foundation, Inc., | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 | * | |
20 | * GNU Radio plugin "gr-kernel" for device usage will be on: | |
21 | * http://git.linuxtv.org/anttip/gr-kernel.git | |
22 | * | |
23 | */ | |
24 | ||
77113892 AP |
25 | #include "rtl2832_sdr.h" |
26 | #include "dvb_usb.h" | |
27 | ||
28 | #include <media/v4l2-device.h> | |
29 | #include <media/v4l2-ioctl.h> | |
30 | #include <media/v4l2-ctrls.h> | |
31 | #include <media/v4l2-event.h> | |
32 | #include <media/videobuf2-vmalloc.h> | |
33 | ||
63bdab5d | 34 | #include <linux/platform_device.h> |
77113892 AP |
35 | #include <linux/jiffies.h> |
36 | #include <linux/math64.h> | |
37 | ||
2970c0d5 AP |
38 | static bool rtl2832_sdr_emulated_fmt; |
39 | module_param_named(emulated_formats, rtl2832_sdr_emulated_fmt, bool, 0644); | |
40 | MODULE_PARM_DESC(emulated_formats, "enable emulated formats (disappears in future)"); | |
41 | ||
fc3a0497 AP |
42 | /* Original macro does not contain enough null pointer checks for our need */ |
43 | #define V4L2_SUBDEV_HAS_OP(sd, o, f) \ | |
44 | ((sd) && (sd)->ops && (sd)->ops->o && (sd)->ops->o->f) | |
45 | ||
77113892 AP |
46 | #define MAX_BULK_BUFS (10) |
47 | #define BULK_BUFFER_SIZE (128 * 512) | |
48 | ||
49 | static const struct v4l2_frequency_band bands_adc[] = { | |
50 | { | |
51 | .tuner = 0, | |
52 | .type = V4L2_TUNER_ADC, | |
53 | .index = 0, | |
54 | .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, | |
55 | .rangelow = 300000, | |
56 | .rangehigh = 300000, | |
57 | }, | |
58 | { | |
59 | .tuner = 0, | |
60 | .type = V4L2_TUNER_ADC, | |
61 | .index = 1, | |
62 | .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, | |
63 | .rangelow = 900001, | |
64 | .rangehigh = 2800000, | |
65 | }, | |
66 | { | |
67 | .tuner = 0, | |
68 | .type = V4L2_TUNER_ADC, | |
69 | .index = 2, | |
70 | .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, | |
71 | .rangelow = 3200000, | |
72 | .rangehigh = 3200000, | |
73 | }, | |
74 | }; | |
75 | ||
76 | static const struct v4l2_frequency_band bands_fm[] = { | |
77 | { | |
78 | .tuner = 1, | |
79 | .type = V4L2_TUNER_RF, | |
80 | .index = 0, | |
81 | .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, | |
82 | .rangelow = 50000000, | |
83 | .rangehigh = 2000000000, | |
84 | }, | |
85 | }; | |
86 | ||
87 | /* stream formats */ | |
88 | struct rtl2832_sdr_format { | |
89 | char *name; | |
90 | u32 pixelformat; | |
d57fe404 | 91 | u32 buffersize; |
77113892 AP |
92 | }; |
93 | ||
94 | static struct rtl2832_sdr_format formats[] = { | |
95 | { | |
2970c0d5 | 96 | .name = "Complex U8", |
d57fe404 AP |
97 | .pixelformat = V4L2_SDR_FMT_CU8, |
98 | .buffersize = BULK_BUFFER_SIZE, | |
77113892 | 99 | }, { |
2970c0d5 | 100 | .name = "Complex U16LE (emulated)", |
77113892 | 101 | .pixelformat = V4L2_SDR_FMT_CU16LE, |
d57fe404 | 102 | .buffersize = BULK_BUFFER_SIZE * 2, |
77113892 AP |
103 | }, |
104 | }; | |
105 | ||
106 | static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats); | |
107 | ||
108 | /* intermediate buffers with raw data from the USB device */ | |
109 | struct rtl2832_sdr_frame_buf { | |
110 | struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */ | |
111 | struct list_head list; | |
112 | }; | |
113 | ||
725b7f30 | 114 | struct rtl2832_sdr_dev { |
e4d131d3 DC |
115 | #define POWER_ON 0 /* BIT(0) */ |
116 | #define URB_BUF 1 /* BIT(1) */ | |
77113892 AP |
117 | unsigned long flags; |
118 | ||
63bdab5d | 119 | struct platform_device *pdev; |
77113892 AP |
120 | |
121 | struct video_device vdev; | |
122 | struct v4l2_device v4l2_dev; | |
fc3a0497 | 123 | struct v4l2_subdev *v4l2_subdev; |
77113892 AP |
124 | |
125 | /* videobuf2 queue and queued buffers list */ | |
126 | struct vb2_queue vb_queue; | |
127 | struct list_head queued_bufs; | |
128 | spinlock_t queued_bufs_lock; /* Protects queued_bufs */ | |
bc908754 | 129 | unsigned sequence; /* buffer sequence counter */ |
77113892 AP |
130 | |
131 | /* Note if taking both locks v4l2_lock must always be locked first! */ | |
132 | struct mutex v4l2_lock; /* Protects everything else */ | |
133 | struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ | |
134 | ||
135 | /* Pointer to our usb_device, will be NULL after unplug */ | |
136 | struct usb_device *udev; /* Both mutexes most be hold when setting! */ | |
137 | ||
138 | unsigned int vb_full; /* vb is full and packets dropped */ | |
139 | ||
140 | struct urb *urb_list[MAX_BULK_BUFS]; | |
141 | int buf_num; | |
142 | unsigned long buf_size; | |
143 | u8 *buf_list[MAX_BULK_BUFS]; | |
144 | dma_addr_t dma_addr[MAX_BULK_BUFS]; | |
145 | int urbs_initialized; | |
146 | int urbs_submitted; | |
147 | ||
148 | unsigned int f_adc, f_tuner; | |
149 | u32 pixelformat; | |
d57fe404 | 150 | u32 buffersize; |
2970c0d5 | 151 | unsigned int num_formats; |
77113892 AP |
152 | |
153 | /* Controls */ | |
154 | struct v4l2_ctrl_handler hdl; | |
155 | struct v4l2_ctrl *bandwidth_auto; | |
156 | struct v4l2_ctrl *bandwidth; | |
157 | ||
158 | /* for sample rate calc */ | |
159 | unsigned int sample; | |
160 | unsigned int sample_measured; | |
161 | unsigned long jiffies_next; | |
162 | }; | |
163 | ||
77113892 | 164 | /* write multiple registers */ |
725b7f30 | 165 | static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_dev *dev, u16 reg, |
77113892 AP |
166 | const u8 *val, int len) |
167 | { | |
63bdab5d AP |
168 | struct platform_device *pdev = dev->pdev; |
169 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; | |
170 | struct i2c_client *client = pdata->i2c_client; | |
77113892 | 171 | |
63bdab5d | 172 | return pdata->bulk_write(client, reg, val, len); |
77113892 AP |
173 | } |
174 | ||
63bdab5d | 175 | #if 0 |
77113892 | 176 | /* read multiple registers */ |
725b7f30 | 177 | static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_dev *dev, u16 reg, u8 *val, |
77113892 AP |
178 | int len) |
179 | { | |
63bdab5d AP |
180 | struct platform_device *pdev = dev->pdev; |
181 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; | |
182 | struct i2c_client *client = pdata->i2c_client; | |
77113892 | 183 | |
63bdab5d | 184 | return pdata->bulk_read(client, reg, val, len); |
77113892 | 185 | } |
63bdab5d | 186 | #endif |
77113892 AP |
187 | |
188 | /* write single register */ | |
725b7f30 | 189 | static int rtl2832_sdr_wr_reg(struct rtl2832_sdr_dev *dev, u16 reg, u8 val) |
77113892 | 190 | { |
725b7f30 | 191 | return rtl2832_sdr_wr_regs(dev, reg, &val, 1); |
77113892 AP |
192 | } |
193 | ||
77113892 | 194 | /* write single register with mask */ |
725b7f30 | 195 | static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_dev *dev, u16 reg, |
77113892 AP |
196 | u8 val, u8 mask) |
197 | { | |
63bdab5d AP |
198 | struct platform_device *pdev = dev->pdev; |
199 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; | |
200 | struct i2c_client *client = pdata->i2c_client; | |
77113892 | 201 | |
63bdab5d | 202 | return pdata->update_bits(client, reg, mask, val); |
77113892 | 203 | } |
77113892 AP |
204 | |
205 | /* Private functions */ | |
206 | static struct rtl2832_sdr_frame_buf *rtl2832_sdr_get_next_fill_buf( | |
725b7f30 | 207 | struct rtl2832_sdr_dev *dev) |
77113892 | 208 | { |
abfc8d66 | 209 | unsigned long flags; |
77113892 AP |
210 | struct rtl2832_sdr_frame_buf *buf = NULL; |
211 | ||
725b7f30 AP |
212 | spin_lock_irqsave(&dev->queued_bufs_lock, flags); |
213 | if (list_empty(&dev->queued_bufs)) | |
77113892 AP |
214 | goto leave; |
215 | ||
725b7f30 | 216 | buf = list_entry(dev->queued_bufs.next, |
77113892 AP |
217 | struct rtl2832_sdr_frame_buf, list); |
218 | list_del(&buf->list); | |
219 | leave: | |
725b7f30 | 220 | spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); |
77113892 AP |
221 | return buf; |
222 | } | |
223 | ||
725b7f30 | 224 | static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_dev *dev, |
77113892 AP |
225 | void *dst, const u8 *src, unsigned int src_len) |
226 | { | |
e4e78693 | 227 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
228 | unsigned int dst_len; |
229 | ||
725b7f30 | 230 | if (dev->pixelformat == V4L2_SDR_FMT_CU8) { |
77113892 AP |
231 | /* native stream, no need to convert */ |
232 | memcpy(dst, src, src_len); | |
233 | dst_len = src_len; | |
725b7f30 | 234 | } else if (dev->pixelformat == V4L2_SDR_FMT_CU16LE) { |
77113892 AP |
235 | /* convert u8 to u16 */ |
236 | unsigned int i; | |
237 | u16 *u16dst = dst; | |
941a8204 | 238 | |
77113892 AP |
239 | for (i = 0; i < src_len; i++) |
240 | *u16dst++ = (src[i] << 8) | (src[i] >> 0); | |
241 | dst_len = 2 * src_len; | |
242 | } else { | |
243 | dst_len = 0; | |
244 | } | |
245 | ||
b538a8e8 | 246 | /* calculate sample rate and output it in 10 seconds intervals */ |
725b7f30 | 247 | if (unlikely(time_is_before_jiffies(dev->jiffies_next))) { |
b538a8e8 AP |
248 | #define MSECS 10000UL |
249 | unsigned int msecs = jiffies_to_msecs(jiffies - | |
725b7f30 AP |
250 | dev->jiffies_next + msecs_to_jiffies(MSECS)); |
251 | unsigned int samples = dev->sample - dev->sample_measured; | |
941a8204 | 252 | |
725b7f30 AP |
253 | dev->jiffies_next = jiffies + msecs_to_jiffies(MSECS); |
254 | dev->sample_measured = dev->sample; | |
e4e78693 AP |
255 | dev_dbg(&pdev->dev, |
256 | "slen=%u samples=%u msecs=%u sample rate=%lu\n", | |
257 | src_len, samples, msecs, samples * 1000UL / msecs); | |
77113892 AP |
258 | } |
259 | ||
260 | /* total number of I+Q pairs */ | |
725b7f30 | 261 | dev->sample += src_len / 2; |
77113892 AP |
262 | |
263 | return dst_len; | |
264 | } | |
265 | ||
266 | /* | |
267 | * This gets called for the bulk stream pipe. This is done in interrupt | |
268 | * time, so it has to be fast, not crash, and not stall. Neat. | |
269 | */ | |
270 | static void rtl2832_sdr_urb_complete(struct urb *urb) | |
271 | { | |
725b7f30 | 272 | struct rtl2832_sdr_dev *dev = urb->context; |
e4e78693 | 273 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
274 | struct rtl2832_sdr_frame_buf *fbuf; |
275 | ||
e4e78693 AP |
276 | dev_dbg_ratelimited(&pdev->dev, "status=%d length=%d/%d errors=%d\n", |
277 | urb->status, urb->actual_length, | |
278 | urb->transfer_buffer_length, urb->error_count); | |
77113892 AP |
279 | |
280 | switch (urb->status) { | |
281 | case 0: /* success */ | |
282 | case -ETIMEDOUT: /* NAK */ | |
283 | break; | |
284 | case -ECONNRESET: /* kill */ | |
285 | case -ENOENT: | |
286 | case -ESHUTDOWN: | |
287 | return; | |
288 | default: /* error */ | |
e4e78693 | 289 | dev_err_ratelimited(&pdev->dev, "urb failed=%d\n", urb->status); |
77113892 AP |
290 | break; |
291 | } | |
292 | ||
293 | if (likely(urb->actual_length > 0)) { | |
294 | void *ptr; | |
295 | unsigned int len; | |
296 | /* get free framebuffer */ | |
725b7f30 | 297 | fbuf = rtl2832_sdr_get_next_fill_buf(dev); |
77113892 | 298 | if (unlikely(fbuf == NULL)) { |
725b7f30 | 299 | dev->vb_full++; |
e4e78693 AP |
300 | dev_notice_ratelimited(&pdev->dev, |
301 | "videobuf is full, %d packets dropped\n", | |
302 | dev->vb_full); | |
77113892 AP |
303 | goto skip; |
304 | } | |
305 | ||
306 | /* fill framebuffer */ | |
307 | ptr = vb2_plane_vaddr(&fbuf->vb, 0); | |
725b7f30 | 308 | len = rtl2832_sdr_convert_stream(dev, ptr, urb->transfer_buffer, |
77113892 AP |
309 | urb->actual_length); |
310 | vb2_set_plane_payload(&fbuf->vb, 0, len); | |
bc908754 | 311 | v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp); |
725b7f30 | 312 | fbuf->vb.v4l2_buf.sequence = dev->sequence++; |
77113892 AP |
313 | vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE); |
314 | } | |
315 | skip: | |
316 | usb_submit_urb(urb, GFP_ATOMIC); | |
317 | } | |
318 | ||
725b7f30 | 319 | static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_dev *dev) |
77113892 | 320 | { |
e4e78693 | 321 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
322 | int i; |
323 | ||
725b7f30 | 324 | for (i = dev->urbs_submitted - 1; i >= 0; i--) { |
e4e78693 | 325 | dev_dbg(&pdev->dev, "kill urb=%d\n", i); |
77113892 | 326 | /* stop the URB */ |
725b7f30 | 327 | usb_kill_urb(dev->urb_list[i]); |
77113892 | 328 | } |
725b7f30 | 329 | dev->urbs_submitted = 0; |
77113892 AP |
330 | |
331 | return 0; | |
332 | } | |
333 | ||
725b7f30 | 334 | static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_dev *dev) |
77113892 | 335 | { |
e4e78693 | 336 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
337 | int i, ret; |
338 | ||
725b7f30 | 339 | for (i = 0; i < dev->urbs_initialized; i++) { |
e4e78693 | 340 | dev_dbg(&pdev->dev, "submit urb=%d\n", i); |
725b7f30 | 341 | ret = usb_submit_urb(dev->urb_list[i], GFP_ATOMIC); |
77113892 | 342 | if (ret) { |
e4e78693 AP |
343 | dev_err(&pdev->dev, |
344 | "Could not submit urb no. %d - get them all back\n", | |
345 | i); | |
725b7f30 | 346 | rtl2832_sdr_kill_urbs(dev); |
77113892 AP |
347 | return ret; |
348 | } | |
725b7f30 | 349 | dev->urbs_submitted++; |
77113892 AP |
350 | } |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
725b7f30 | 355 | static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_dev *dev) |
77113892 | 356 | { |
e4e78693 | 357 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 | 358 | |
e4d131d3 | 359 | if (test_bit(URB_BUF, &dev->flags)) { |
725b7f30 AP |
360 | while (dev->buf_num) { |
361 | dev->buf_num--; | |
e4e78693 | 362 | dev_dbg(&pdev->dev, "free buf=%d\n", dev->buf_num); |
725b7f30 AP |
363 | usb_free_coherent(dev->udev, dev->buf_size, |
364 | dev->buf_list[dev->buf_num], | |
365 | dev->dma_addr[dev->buf_num]); | |
77113892 AP |
366 | } |
367 | } | |
e4d131d3 | 368 | clear_bit(URB_BUF, &dev->flags); |
77113892 AP |
369 | |
370 | return 0; | |
371 | } | |
372 | ||
725b7f30 | 373 | static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_dev *dev) |
77113892 | 374 | { |
e4e78693 | 375 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 | 376 | |
725b7f30 AP |
377 | dev->buf_num = 0; |
378 | dev->buf_size = BULK_BUFFER_SIZE; | |
77113892 | 379 | |
e4e78693 AP |
380 | dev_dbg(&pdev->dev, "all in all I will use %u bytes for streaming\n", |
381 | MAX_BULK_BUFS * BULK_BUFFER_SIZE); | |
77113892 | 382 | |
725b7f30 AP |
383 | for (dev->buf_num = 0; dev->buf_num < MAX_BULK_BUFS; dev->buf_num++) { |
384 | dev->buf_list[dev->buf_num] = usb_alloc_coherent(dev->udev, | |
77113892 | 385 | BULK_BUFFER_SIZE, GFP_ATOMIC, |
725b7f30 AP |
386 | &dev->dma_addr[dev->buf_num]); |
387 | if (!dev->buf_list[dev->buf_num]) { | |
e4e78693 AP |
388 | dev_dbg(&pdev->dev, "alloc buf=%d failed\n", |
389 | dev->buf_num); | |
725b7f30 | 390 | rtl2832_sdr_free_stream_bufs(dev); |
77113892 AP |
391 | return -ENOMEM; |
392 | } | |
393 | ||
e4e78693 AP |
394 | dev_dbg(&pdev->dev, "alloc buf=%d %p (dma %llu)\n", |
395 | dev->buf_num, dev->buf_list[dev->buf_num], | |
396 | (long long)dev->dma_addr[dev->buf_num]); | |
e4d131d3 | 397 | set_bit(URB_BUF, &dev->flags); |
77113892 AP |
398 | } |
399 | ||
400 | return 0; | |
401 | } | |
402 | ||
725b7f30 | 403 | static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_dev *dev) |
77113892 | 404 | { |
e4e78693 | 405 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
406 | int i; |
407 | ||
725b7f30 | 408 | rtl2832_sdr_kill_urbs(dev); |
77113892 | 409 | |
725b7f30 AP |
410 | for (i = dev->urbs_initialized - 1; i >= 0; i--) { |
411 | if (dev->urb_list[i]) { | |
e4e78693 | 412 | dev_dbg(&pdev->dev, "free urb=%d\n", i); |
77113892 | 413 | /* free the URBs */ |
725b7f30 | 414 | usb_free_urb(dev->urb_list[i]); |
77113892 AP |
415 | } |
416 | } | |
725b7f30 | 417 | dev->urbs_initialized = 0; |
77113892 AP |
418 | |
419 | return 0; | |
420 | } | |
421 | ||
725b7f30 | 422 | static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_dev *dev) |
77113892 | 423 | { |
e4e78693 | 424 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
425 | int i, j; |
426 | ||
427 | /* allocate the URBs */ | |
428 | for (i = 0; i < MAX_BULK_BUFS; i++) { | |
e4e78693 | 429 | dev_dbg(&pdev->dev, "alloc urb=%d\n", i); |
725b7f30 AP |
430 | dev->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC); |
431 | if (!dev->urb_list[i]) { | |
e4e78693 | 432 | dev_dbg(&pdev->dev, "failed\n"); |
77113892 | 433 | for (j = 0; j < i; j++) |
725b7f30 | 434 | usb_free_urb(dev->urb_list[j]); |
77113892 AP |
435 | return -ENOMEM; |
436 | } | |
725b7f30 AP |
437 | usb_fill_bulk_urb(dev->urb_list[i], |
438 | dev->udev, | |
439 | usb_rcvbulkpipe(dev->udev, 0x81), | |
440 | dev->buf_list[i], | |
77113892 | 441 | BULK_BUFFER_SIZE, |
725b7f30 | 442 | rtl2832_sdr_urb_complete, dev); |
77113892 | 443 | |
725b7f30 AP |
444 | dev->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; |
445 | dev->urb_list[i]->transfer_dma = dev->dma_addr[i]; | |
446 | dev->urbs_initialized++; | |
77113892 AP |
447 | } |
448 | ||
449 | return 0; | |
450 | } | |
451 | ||
452 | /* Must be called with vb_queue_lock hold */ | |
725b7f30 | 453 | static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_dev *dev) |
77113892 | 454 | { |
e4e78693 | 455 | struct platform_device *pdev = dev->pdev; |
abfc8d66 | 456 | unsigned long flags; |
941a8204 | 457 | |
e4e78693 | 458 | dev_dbg(&pdev->dev, "\n"); |
77113892 | 459 | |
725b7f30 AP |
460 | spin_lock_irqsave(&dev->queued_bufs_lock, flags); |
461 | while (!list_empty(&dev->queued_bufs)) { | |
77113892 | 462 | struct rtl2832_sdr_frame_buf *buf; |
941a8204 | 463 | |
725b7f30 | 464 | buf = list_entry(dev->queued_bufs.next, |
77113892 AP |
465 | struct rtl2832_sdr_frame_buf, list); |
466 | list_del(&buf->list); | |
467 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); | |
468 | } | |
725b7f30 | 469 | spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); |
77113892 AP |
470 | } |
471 | ||
77113892 AP |
472 | static int rtl2832_sdr_querycap(struct file *file, void *fh, |
473 | struct v4l2_capability *cap) | |
474 | { | |
725b7f30 | 475 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 476 | struct platform_device *pdev = dev->pdev; |
941a8204 | 477 | |
e4e78693 | 478 | dev_dbg(&pdev->dev, "\n"); |
77113892 AP |
479 | |
480 | strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver)); | |
725b7f30 AP |
481 | strlcpy(cap->card, dev->vdev.name, sizeof(cap->card)); |
482 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); | |
77113892 AP |
483 | cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING | |
484 | V4L2_CAP_READWRITE | V4L2_CAP_TUNER; | |
485 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
486 | return 0; | |
487 | } | |
488 | ||
489 | /* Videobuf2 operations */ | |
490 | static int rtl2832_sdr_queue_setup(struct vb2_queue *vq, | |
491 | const struct v4l2_format *fmt, unsigned int *nbuffers, | |
492 | unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) | |
493 | { | |
725b7f30 | 494 | struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); |
e4e78693 | 495 | struct platform_device *pdev = dev->pdev; |
941a8204 | 496 | |
e4e78693 | 497 | dev_dbg(&pdev->dev, "nbuffers=%d\n", *nbuffers); |
77113892 | 498 | |
bc908754 HV |
499 | /* Need at least 8 buffers */ |
500 | if (vq->num_buffers + *nbuffers < 8) | |
501 | *nbuffers = 8 - vq->num_buffers; | |
77113892 | 502 | *nplanes = 1; |
725b7f30 | 503 | sizes[0] = PAGE_ALIGN(dev->buffersize); |
e4e78693 | 504 | dev_dbg(&pdev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]); |
77113892 AP |
505 | return 0; |
506 | } | |
507 | ||
508 | static int rtl2832_sdr_buf_prepare(struct vb2_buffer *vb) | |
509 | { | |
725b7f30 | 510 | struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
77113892 AP |
511 | |
512 | /* Don't allow queing new buffers after device disconnection */ | |
725b7f30 | 513 | if (!dev->udev) |
77113892 AP |
514 | return -ENODEV; |
515 | ||
516 | return 0; | |
517 | } | |
518 | ||
519 | static void rtl2832_sdr_buf_queue(struct vb2_buffer *vb) | |
520 | { | |
725b7f30 | 521 | struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vb->vb2_queue); |
77113892 AP |
522 | struct rtl2832_sdr_frame_buf *buf = |
523 | container_of(vb, struct rtl2832_sdr_frame_buf, vb); | |
abfc8d66 | 524 | unsigned long flags; |
77113892 AP |
525 | |
526 | /* Check the device has not disconnected between prep and queuing */ | |
725b7f30 | 527 | if (!dev->udev) { |
77113892 AP |
528 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); |
529 | return; | |
530 | } | |
531 | ||
725b7f30 AP |
532 | spin_lock_irqsave(&dev->queued_bufs_lock, flags); |
533 | list_add_tail(&buf->list, &dev->queued_bufs); | |
534 | spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); | |
77113892 AP |
535 | } |
536 | ||
725b7f30 | 537 | static int rtl2832_sdr_set_adc(struct rtl2832_sdr_dev *dev) |
77113892 | 538 | { |
63bdab5d AP |
539 | struct platform_device *pdev = dev->pdev; |
540 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; | |
3bda2bf1 | 541 | struct dvb_frontend *fe = pdata->dvb_frontend; |
77113892 AP |
542 | int ret; |
543 | unsigned int f_sr, f_if; | |
544 | u8 buf[4], u8tmp1, u8tmp2; | |
545 | u64 u64tmp; | |
546 | u32 u32tmp; | |
941a8204 | 547 | |
e4e78693 | 548 | dev_dbg(&pdev->dev, "f_adc=%u\n", dev->f_adc); |
77113892 | 549 | |
725b7f30 | 550 | if (!test_bit(POWER_ON, &dev->flags)) |
77113892 AP |
551 | return 0; |
552 | ||
725b7f30 | 553 | if (dev->f_adc == 0) |
77113892 AP |
554 | return 0; |
555 | ||
725b7f30 | 556 | f_sr = dev->f_adc; |
77113892 | 557 | |
725b7f30 | 558 | ret = rtl2832_sdr_wr_regs(dev, 0x13e, "\x00\x00", 2); |
77113892 AP |
559 | if (ret) |
560 | goto err; | |
561 | ||
725b7f30 | 562 | ret = rtl2832_sdr_wr_regs(dev, 0x115, "\x00\x00\x00\x00", 4); |
77113892 AP |
563 | if (ret) |
564 | goto err; | |
565 | ||
566 | /* get IF from tuner */ | |
567 | if (fe->ops.tuner_ops.get_if_frequency) | |
568 | ret = fe->ops.tuner_ops.get_if_frequency(fe, &f_if); | |
569 | else | |
570 | ret = -EINVAL; | |
571 | ||
572 | if (ret) | |
573 | goto err; | |
574 | ||
575 | /* program IF */ | |
63bdab5d | 576 | u64tmp = f_if % pdata->clk; |
77113892 | 577 | u64tmp *= 0x400000; |
63bdab5d | 578 | u64tmp = div_u64(u64tmp, pdata->clk); |
77113892 AP |
579 | u64tmp = -u64tmp; |
580 | u32tmp = u64tmp & 0x3fffff; | |
581 | ||
e4e78693 | 582 | dev_dbg(&pdev->dev, "f_if=%u if_ctl=%08x\n", f_if, u32tmp); |
77113892 AP |
583 | |
584 | buf[0] = (u32tmp >> 16) & 0xff; | |
585 | buf[1] = (u32tmp >> 8) & 0xff; | |
586 | buf[2] = (u32tmp >> 0) & 0xff; | |
587 | ||
725b7f30 | 588 | ret = rtl2832_sdr_wr_regs(dev, 0x119, buf, 3); |
77113892 AP |
589 | if (ret) |
590 | goto err; | |
591 | ||
592 | /* BB / IF mode */ | |
593 | /* POR: 0x1b1=0x1f, 0x008=0x0d, 0x006=0x80 */ | |
594 | if (f_if) { | |
595 | u8tmp1 = 0x1a; /* disable Zero-IF */ | |
596 | u8tmp2 = 0x8d; /* enable ADC I */ | |
597 | } else { | |
598 | u8tmp1 = 0x1b; /* enable Zero-IF, DC, IQ */ | |
599 | u8tmp2 = 0xcd; /* enable ADC I, ADC Q */ | |
600 | } | |
601 | ||
725b7f30 | 602 | ret = rtl2832_sdr_wr_reg(dev, 0x1b1, u8tmp1); |
77113892 AP |
603 | if (ret) |
604 | goto err; | |
605 | ||
725b7f30 | 606 | ret = rtl2832_sdr_wr_reg(dev, 0x008, u8tmp2); |
77113892 AP |
607 | if (ret) |
608 | goto err; | |
609 | ||
725b7f30 | 610 | ret = rtl2832_sdr_wr_reg(dev, 0x006, 0x80); |
77113892 AP |
611 | if (ret) |
612 | goto err; | |
613 | ||
614 | /* program sampling rate (resampling down) */ | |
63bdab5d | 615 | u32tmp = div_u64(pdata->clk * 0x400000ULL, f_sr * 4U); |
77113892 AP |
616 | u32tmp <<= 2; |
617 | buf[0] = (u32tmp >> 24) & 0xff; | |
618 | buf[1] = (u32tmp >> 16) & 0xff; | |
619 | buf[2] = (u32tmp >> 8) & 0xff; | |
620 | buf[3] = (u32tmp >> 0) & 0xff; | |
725b7f30 | 621 | ret = rtl2832_sdr_wr_regs(dev, 0x19f, buf, 4); |
77113892 AP |
622 | if (ret) |
623 | goto err; | |
624 | ||
625 | /* low-pass filter */ | |
725b7f30 | 626 | ret = rtl2832_sdr_wr_regs(dev, 0x11c, |
77113892 AP |
627 | "\xca\xdc\xd7\xd8\xe0\xf2\x0e\x35\x06\x50\x9c\x0d\x71\x11\x14\x71\x74\x19\x41\xa5", |
628 | 20); | |
629 | if (ret) | |
630 | goto err; | |
631 | ||
725b7f30 | 632 | ret = rtl2832_sdr_wr_regs(dev, 0x017, "\x11\x10", 2); |
77113892 AP |
633 | if (ret) |
634 | goto err; | |
635 | ||
636 | /* mode */ | |
725b7f30 | 637 | ret = rtl2832_sdr_wr_regs(dev, 0x019, "\x05", 1); |
77113892 AP |
638 | if (ret) |
639 | goto err; | |
640 | ||
725b7f30 | 641 | ret = rtl2832_sdr_wr_regs(dev, 0x01a, "\x1b\x16\x0d\x06\x01\xff", 6); |
77113892 AP |
642 | if (ret) |
643 | goto err; | |
644 | ||
645 | /* FSM */ | |
725b7f30 | 646 | ret = rtl2832_sdr_wr_regs(dev, 0x192, "\x00\xf0\x0f", 3); |
77113892 AP |
647 | if (ret) |
648 | goto err; | |
649 | ||
650 | /* PID filter */ | |
725b7f30 | 651 | ret = rtl2832_sdr_wr_regs(dev, 0x061, "\x60", 1); |
77113892 AP |
652 | if (ret) |
653 | goto err; | |
654 | ||
655 | /* used RF tuner based settings */ | |
63bdab5d AP |
656 | switch (pdata->tuner) { |
657 | case RTL2832_SDR_TUNER_E4000: | |
725b7f30 AP |
658 | ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x5a", 1); |
659 | ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); | |
660 | ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x5a", 1); | |
661 | ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x30", 1); | |
662 | ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xd0", 1); | |
663 | ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); | |
664 | ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x18", 1); | |
665 | ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); | |
666 | ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); | |
667 | ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); | |
668 | ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); | |
669 | ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); | |
670 | ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); | |
671 | ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); | |
672 | ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); | |
673 | ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); | |
674 | ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x80", 1); | |
675 | ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); | |
676 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
677 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
678 | ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xd4", 1); | |
679 | ret = rtl2832_sdr_wr_regs(dev, 0x1e5, "\xf0", 1); | |
680 | ret = rtl2832_sdr_wr_regs(dev, 0x1d9, "\x00", 1); | |
681 | ret = rtl2832_sdr_wr_regs(dev, 0x1db, "\x00", 1); | |
682 | ret = rtl2832_sdr_wr_regs(dev, 0x1dd, "\x14", 1); | |
683 | ret = rtl2832_sdr_wr_regs(dev, 0x1de, "\xec", 1); | |
684 | ret = rtl2832_sdr_wr_regs(dev, 0x1d8, "\x0c", 1); | |
685 | ret = rtl2832_sdr_wr_regs(dev, 0x1e6, "\x02", 1); | |
686 | ret = rtl2832_sdr_wr_regs(dev, 0x1d7, "\x09", 1); | |
687 | ret = rtl2832_sdr_wr_regs(dev, 0x00d, "\x83", 1); | |
688 | ret = rtl2832_sdr_wr_regs(dev, 0x010, "\x49", 1); | |
689 | ret = rtl2832_sdr_wr_regs(dev, 0x00d, "\x87", 1); | |
690 | ret = rtl2832_sdr_wr_regs(dev, 0x00d, "\x85", 1); | |
691 | ret = rtl2832_sdr_wr_regs(dev, 0x013, "\x02", 1); | |
77113892 | 692 | break; |
63bdab5d AP |
693 | case RTL2832_SDR_TUNER_FC0012: |
694 | case RTL2832_SDR_TUNER_FC0013: | |
725b7f30 AP |
695 | ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x5a", 1); |
696 | ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); | |
697 | ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x5a", 1); | |
698 | ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x2c", 1); | |
699 | ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xcc", 1); | |
700 | ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); | |
701 | ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x16", 1); | |
702 | ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); | |
703 | ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); | |
704 | ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); | |
705 | ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); | |
706 | ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); | |
707 | ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); | |
708 | ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); | |
709 | ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); | |
710 | ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); | |
711 | ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x80", 1); | |
712 | ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); | |
713 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
714 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
715 | ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xe9\xbf", 2); | |
716 | ret = rtl2832_sdr_wr_regs(dev, 0x1e5, "\xf0", 1); | |
717 | ret = rtl2832_sdr_wr_regs(dev, 0x1d9, "\x00", 1); | |
718 | ret = rtl2832_sdr_wr_regs(dev, 0x1db, "\x00", 1); | |
719 | ret = rtl2832_sdr_wr_regs(dev, 0x1dd, "\x11", 1); | |
720 | ret = rtl2832_sdr_wr_regs(dev, 0x1de, "\xef", 1); | |
721 | ret = rtl2832_sdr_wr_regs(dev, 0x1d8, "\x0c", 1); | |
722 | ret = rtl2832_sdr_wr_regs(dev, 0x1e6, "\x02", 1); | |
723 | ret = rtl2832_sdr_wr_regs(dev, 0x1d7, "\x09", 1); | |
77113892 | 724 | break; |
63bdab5d AP |
725 | case RTL2832_SDR_TUNER_R820T: |
726 | case RTL2832_SDR_TUNER_R828D: | |
725b7f30 AP |
727 | ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x5a", 1); |
728 | ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); | |
729 | ret = rtl2832_sdr_wr_regs(dev, 0x115, "\x01", 1); | |
730 | ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x80", 1); | |
731 | ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x24", 1); | |
732 | ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xcc", 1); | |
733 | ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); | |
734 | ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x14", 1); | |
735 | ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); | |
736 | ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); | |
737 | ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); | |
738 | ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); | |
739 | ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); | |
740 | ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); | |
741 | ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); | |
742 | ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); | |
743 | ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); | |
744 | ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x80", 1); | |
745 | ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); | |
746 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
747 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
748 | ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xf4", 1); | |
77113892 | 749 | break; |
fc3a0497 AP |
750 | case RTL2832_SDR_TUNER_FC2580: |
751 | ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x39", 1); | |
752 | ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); | |
753 | ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x5a", 1); | |
754 | ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x2c", 1); | |
755 | ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xcc", 1); | |
756 | ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); | |
757 | ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x16", 1); | |
758 | ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); | |
759 | ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); | |
760 | ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); | |
761 | ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); | |
762 | ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); | |
763 | ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); | |
764 | ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); | |
765 | ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); | |
766 | ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); | |
767 | ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x9c", 1); | |
768 | ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); | |
769 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
770 | ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); | |
771 | ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xe9\xf4", 2); | |
772 | break; | |
77113892 | 773 | default: |
e4e78693 | 774 | dev_notice(&pdev->dev, "Unsupported tuner\n"); |
77113892 AP |
775 | } |
776 | ||
777 | /* software reset */ | |
725b7f30 | 778 | ret = rtl2832_sdr_wr_reg_mask(dev, 0x101, 0x04, 0x04); |
77113892 AP |
779 | if (ret) |
780 | goto err; | |
781 | ||
725b7f30 | 782 | ret = rtl2832_sdr_wr_reg_mask(dev, 0x101, 0x00, 0x04); |
77113892 AP |
783 | if (ret) |
784 | goto err; | |
785 | err: | |
786 | return ret; | |
787 | }; | |
788 | ||
725b7f30 | 789 | static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_dev *dev) |
77113892 | 790 | { |
e4e78693 | 791 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
792 | int ret; |
793 | ||
e4e78693 | 794 | dev_dbg(&pdev->dev, "\n"); |
77113892 AP |
795 | |
796 | /* PID filter */ | |
725b7f30 | 797 | ret = rtl2832_sdr_wr_regs(dev, 0x061, "\xe0", 1); |
77113892 AP |
798 | if (ret) |
799 | goto err; | |
800 | ||
801 | /* mode */ | |
725b7f30 | 802 | ret = rtl2832_sdr_wr_regs(dev, 0x019, "\x20", 1); |
77113892 AP |
803 | if (ret) |
804 | goto err; | |
805 | ||
725b7f30 | 806 | ret = rtl2832_sdr_wr_regs(dev, 0x017, "\x11\x10", 2); |
77113892 AP |
807 | if (ret) |
808 | goto err; | |
809 | ||
810 | /* FSM */ | |
725b7f30 | 811 | ret = rtl2832_sdr_wr_regs(dev, 0x192, "\x00\x0f\xff", 3); |
77113892 AP |
812 | if (ret) |
813 | goto err; | |
814 | ||
725b7f30 | 815 | ret = rtl2832_sdr_wr_regs(dev, 0x13e, "\x40\x00", 2); |
77113892 AP |
816 | if (ret) |
817 | goto err; | |
818 | ||
725b7f30 | 819 | ret = rtl2832_sdr_wr_regs(dev, 0x115, "\x06\x3f\xce\xcc", 4); |
77113892 AP |
820 | if (ret) |
821 | goto err; | |
822 | err: | |
823 | return; | |
824 | }; | |
825 | ||
725b7f30 | 826 | static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_dev *dev) |
77113892 | 827 | { |
e4e78693 | 828 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 AP |
829 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
830 | struct dvb_frontend *fe = pdata->dvb_frontend; | |
77113892 AP |
831 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
832 | struct v4l2_ctrl *bandwidth_auto; | |
833 | struct v4l2_ctrl *bandwidth; | |
834 | ||
835 | /* | |
836 | * tuner RF (Hz) | |
837 | */ | |
725b7f30 | 838 | if (dev->f_tuner == 0) |
77113892 AP |
839 | return 0; |
840 | ||
841 | /* | |
842 | * bandwidth (Hz) | |
843 | */ | |
725b7f30 | 844 | bandwidth_auto = v4l2_ctrl_find(&dev->hdl, |
85594960 | 845 | V4L2_CID_RF_TUNER_BANDWIDTH_AUTO); |
725b7f30 | 846 | bandwidth = v4l2_ctrl_find(&dev->hdl, V4L2_CID_RF_TUNER_BANDWIDTH); |
77113892 | 847 | if (v4l2_ctrl_g_ctrl(bandwidth_auto)) { |
725b7f30 AP |
848 | c->bandwidth_hz = dev->f_adc; |
849 | v4l2_ctrl_s_ctrl(bandwidth, dev->f_adc); | |
77113892 AP |
850 | } else { |
851 | c->bandwidth_hz = v4l2_ctrl_g_ctrl(bandwidth); | |
852 | } | |
853 | ||
725b7f30 | 854 | c->frequency = dev->f_tuner; |
77113892 AP |
855 | c->delivery_system = SYS_DVBT; |
856 | ||
e4e78693 AP |
857 | dev_dbg(&pdev->dev, "frequency=%u bandwidth=%d\n", |
858 | c->frequency, c->bandwidth_hz); | |
77113892 | 859 | |
725b7f30 | 860 | if (!test_bit(POWER_ON, &dev->flags)) |
77113892 AP |
861 | return 0; |
862 | ||
fc3a0497 AP |
863 | if (!V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, s_frequency)) { |
864 | if (fe->ops.tuner_ops.set_params) | |
865 | fe->ops.tuner_ops.set_params(fe); | |
866 | } | |
77113892 AP |
867 | |
868 | return 0; | |
869 | }; | |
870 | ||
725b7f30 | 871 | static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_dev *dev) |
77113892 | 872 | { |
e4e78693 | 873 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 AP |
874 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
875 | struct dvb_frontend *fe = pdata->dvb_frontend; | |
77113892 | 876 | |
e4e78693 | 877 | dev_dbg(&pdev->dev, "\n"); |
77113892 AP |
878 | |
879 | if (fe->ops.tuner_ops.init) | |
880 | fe->ops.tuner_ops.init(fe); | |
881 | ||
882 | return 0; | |
883 | }; | |
884 | ||
725b7f30 | 885 | static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_dev *dev) |
77113892 | 886 | { |
e4e78693 | 887 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 AP |
888 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
889 | struct dvb_frontend *fe = pdata->dvb_frontend; | |
77113892 | 890 | |
e4e78693 | 891 | dev_dbg(&pdev->dev, "\n"); |
77113892 AP |
892 | |
893 | if (fe->ops.tuner_ops.sleep) | |
894 | fe->ops.tuner_ops.sleep(fe); | |
895 | ||
896 | return; | |
897 | }; | |
898 | ||
899 | static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count) | |
900 | { | |
725b7f30 | 901 | struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); |
e4e78693 | 902 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 AP |
903 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
904 | struct dvb_usb_device *d = pdata->dvb_usb_device; | |
77113892 | 905 | int ret; |
941a8204 | 906 | |
e4e78693 | 907 | dev_dbg(&pdev->dev, "\n"); |
77113892 | 908 | |
725b7f30 | 909 | if (!dev->udev) |
77113892 AP |
910 | return -ENODEV; |
911 | ||
725b7f30 | 912 | if (mutex_lock_interruptible(&dev->v4l2_lock)) |
77113892 AP |
913 | return -ERESTARTSYS; |
914 | ||
3bda2bf1 AP |
915 | if (d->props->power_ctrl) |
916 | d->props->power_ctrl(d, 1); | |
77113892 | 917 | |
2281c824 | 918 | /* enable ADC */ |
3bda2bf1 AP |
919 | if (d->props->frontend_ctrl) |
920 | d->props->frontend_ctrl(pdata->dvb_frontend, 1); | |
2281c824 | 921 | |
725b7f30 | 922 | set_bit(POWER_ON, &dev->flags); |
77113892 | 923 | |
fc3a0497 AP |
924 | /* wake-up tuner */ |
925 | if (V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, core, s_power)) | |
926 | ret = v4l2_subdev_call(dev->v4l2_subdev, core, s_power, 1); | |
927 | else | |
928 | ret = rtl2832_sdr_set_tuner(dev); | |
77113892 AP |
929 | if (ret) |
930 | goto err; | |
931 | ||
725b7f30 | 932 | ret = rtl2832_sdr_set_tuner_freq(dev); |
77113892 AP |
933 | if (ret) |
934 | goto err; | |
935 | ||
725b7f30 | 936 | ret = rtl2832_sdr_set_adc(dev); |
77113892 AP |
937 | if (ret) |
938 | goto err; | |
939 | ||
725b7f30 | 940 | ret = rtl2832_sdr_alloc_stream_bufs(dev); |
77113892 AP |
941 | if (ret) |
942 | goto err; | |
943 | ||
725b7f30 | 944 | ret = rtl2832_sdr_alloc_urbs(dev); |
77113892 AP |
945 | if (ret) |
946 | goto err; | |
947 | ||
725b7f30 | 948 | dev->sequence = 0; |
bc908754 | 949 | |
725b7f30 | 950 | ret = rtl2832_sdr_submit_urbs(dev); |
77113892 AP |
951 | if (ret) |
952 | goto err; | |
953 | ||
954 | err: | |
725b7f30 | 955 | mutex_unlock(&dev->v4l2_lock); |
77113892 AP |
956 | |
957 | return ret; | |
958 | } | |
959 | ||
e37559b2 | 960 | static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq) |
77113892 | 961 | { |
725b7f30 | 962 | struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); |
e4e78693 | 963 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 AP |
964 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
965 | struct dvb_usb_device *d = pdata->dvb_usb_device; | |
941a8204 | 966 | |
e4e78693 | 967 | dev_dbg(&pdev->dev, "\n"); |
77113892 | 968 | |
725b7f30 | 969 | mutex_lock(&dev->v4l2_lock); |
77113892 | 970 | |
725b7f30 AP |
971 | rtl2832_sdr_kill_urbs(dev); |
972 | rtl2832_sdr_free_urbs(dev); | |
973 | rtl2832_sdr_free_stream_bufs(dev); | |
974 | rtl2832_sdr_cleanup_queued_bufs(dev); | |
975 | rtl2832_sdr_unset_adc(dev); | |
fc3a0497 AP |
976 | |
977 | /* sleep tuner */ | |
978 | if (V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, core, s_power)) | |
979 | v4l2_subdev_call(dev->v4l2_subdev, core, s_power, 0); | |
980 | else | |
981 | rtl2832_sdr_unset_tuner(dev); | |
77113892 | 982 | |
725b7f30 | 983 | clear_bit(POWER_ON, &dev->flags); |
2281c824 AP |
984 | |
985 | /* disable ADC */ | |
3bda2bf1 AP |
986 | if (d->props->frontend_ctrl) |
987 | d->props->frontend_ctrl(pdata->dvb_frontend, 0); | |
77113892 | 988 | |
3bda2bf1 AP |
989 | if (d->props->power_ctrl) |
990 | d->props->power_ctrl(d, 0); | |
77113892 | 991 | |
725b7f30 | 992 | mutex_unlock(&dev->v4l2_lock); |
77113892 AP |
993 | } |
994 | ||
995 | static struct vb2_ops rtl2832_sdr_vb2_ops = { | |
996 | .queue_setup = rtl2832_sdr_queue_setup, | |
997 | .buf_prepare = rtl2832_sdr_buf_prepare, | |
998 | .buf_queue = rtl2832_sdr_buf_queue, | |
999 | .start_streaming = rtl2832_sdr_start_streaming, | |
1000 | .stop_streaming = rtl2832_sdr_stop_streaming, | |
1001 | .wait_prepare = vb2_ops_wait_prepare, | |
1002 | .wait_finish = vb2_ops_wait_finish, | |
1003 | }; | |
1004 | ||
1005 | static int rtl2832_sdr_g_tuner(struct file *file, void *priv, | |
1006 | struct v4l2_tuner *v) | |
1007 | { | |
725b7f30 | 1008 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1009 | struct platform_device *pdev = dev->pdev; |
fc3a0497 | 1010 | int ret; |
941a8204 | 1011 | |
e4e78693 | 1012 | dev_dbg(&pdev->dev, "index=%d type=%d\n", v->index, v->type); |
77113892 AP |
1013 | |
1014 | if (v->index == 0) { | |
1015 | strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name)); | |
1016 | v->type = V4L2_TUNER_ADC; | |
1017 | v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS; | |
1018 | v->rangelow = 300000; | |
1019 | v->rangehigh = 3200000; | |
fc3a0497 AP |
1020 | ret = 0; |
1021 | } else if (v->index == 1 && | |
1022 | V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, g_tuner)) { | |
1023 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, g_tuner, v); | |
77113892 AP |
1024 | } else if (v->index == 1) { |
1025 | strlcpy(v->name, "RF: <unknown>", sizeof(v->name)); | |
1026 | v->type = V4L2_TUNER_RF; | |
1027 | v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS; | |
1028 | v->rangelow = 50000000; | |
1029 | v->rangehigh = 2000000000; | |
fc3a0497 | 1030 | ret = 0; |
77113892 | 1031 | } else { |
fc3a0497 | 1032 | ret = -EINVAL; |
77113892 | 1033 | } |
fc3a0497 | 1034 | return ret; |
77113892 AP |
1035 | } |
1036 | ||
1037 | static int rtl2832_sdr_s_tuner(struct file *file, void *priv, | |
1038 | const struct v4l2_tuner *v) | |
1039 | { | |
725b7f30 | 1040 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1041 | struct platform_device *pdev = dev->pdev; |
fc3a0497 | 1042 | int ret; |
941a8204 | 1043 | |
e4e78693 | 1044 | dev_dbg(&pdev->dev, "\n"); |
77113892 | 1045 | |
fc3a0497 AP |
1046 | if (v->index == 0) { |
1047 | ret = 0; | |
1048 | } else if (v->index == 1 && | |
1049 | V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, s_tuner)) { | |
1050 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, s_tuner, v); | |
1051 | } else if (v->index == 1) { | |
1052 | ret = 0; | |
1053 | } else { | |
1054 | ret = -EINVAL; | |
1055 | } | |
1056 | return ret; | |
77113892 AP |
1057 | } |
1058 | ||
1059 | static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv, | |
1060 | struct v4l2_frequency_band *band) | |
1061 | { | |
725b7f30 | 1062 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1063 | struct platform_device *pdev = dev->pdev; |
fc3a0497 | 1064 | int ret; |
941a8204 | 1065 | |
e4e78693 AP |
1066 | dev_dbg(&pdev->dev, "tuner=%d type=%d index=%d\n", |
1067 | band->tuner, band->type, band->index); | |
77113892 AP |
1068 | |
1069 | if (band->tuner == 0) { | |
1070 | if (band->index >= ARRAY_SIZE(bands_adc)) | |
1071 | return -EINVAL; | |
1072 | ||
1073 | *band = bands_adc[band->index]; | |
fc3a0497 AP |
1074 | ret = 0; |
1075 | } else if (band->tuner == 1 && | |
1076 | V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, enum_freq_bands)) { | |
1077 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, enum_freq_bands, band); | |
77113892 AP |
1078 | } else if (band->tuner == 1) { |
1079 | if (band->index >= ARRAY_SIZE(bands_fm)) | |
1080 | return -EINVAL; | |
1081 | ||
1082 | *band = bands_fm[band->index]; | |
fc3a0497 | 1083 | ret = 0; |
77113892 | 1084 | } else { |
fc3a0497 | 1085 | ret = -EINVAL; |
77113892 | 1086 | } |
fc3a0497 | 1087 | return ret; |
77113892 AP |
1088 | } |
1089 | ||
1090 | static int rtl2832_sdr_g_frequency(struct file *file, void *priv, | |
1091 | struct v4l2_frequency *f) | |
1092 | { | |
725b7f30 | 1093 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1094 | struct platform_device *pdev = dev->pdev; |
fc3a0497 | 1095 | int ret; |
941a8204 | 1096 | |
e4e78693 | 1097 | dev_dbg(&pdev->dev, "tuner=%d type=%d\n", f->tuner, f->type); |
77113892 | 1098 | |
bc908754 | 1099 | if (f->tuner == 0) { |
725b7f30 | 1100 | f->frequency = dev->f_adc; |
bc908754 | 1101 | f->type = V4L2_TUNER_ADC; |
fc3a0497 AP |
1102 | ret = 0; |
1103 | } else if (f->tuner == 1 && | |
1104 | V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, g_frequency)) { | |
1105 | f->type = V4L2_TUNER_RF; | |
1106 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, g_frequency, f); | |
bc908754 | 1107 | } else if (f->tuner == 1) { |
725b7f30 | 1108 | f->frequency = dev->f_tuner; |
bc908754 | 1109 | f->type = V4L2_TUNER_RF; |
fc3a0497 | 1110 | ret = 0; |
bc908754 | 1111 | } else { |
fc3a0497 | 1112 | ret = -EINVAL; |
bc908754 | 1113 | } |
77113892 AP |
1114 | return ret; |
1115 | } | |
1116 | ||
1117 | static int rtl2832_sdr_s_frequency(struct file *file, void *priv, | |
1118 | const struct v4l2_frequency *f) | |
1119 | { | |
725b7f30 | 1120 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1121 | struct platform_device *pdev = dev->pdev; |
77113892 AP |
1122 | int ret, band; |
1123 | ||
e4e78693 AP |
1124 | dev_dbg(&pdev->dev, "tuner=%d type=%d frequency=%u\n", |
1125 | f->tuner, f->type, f->frequency); | |
77113892 AP |
1126 | |
1127 | /* ADC band midpoints */ | |
1128 | #define BAND_ADC_0 ((bands_adc[0].rangehigh + bands_adc[1].rangelow) / 2) | |
1129 | #define BAND_ADC_1 ((bands_adc[1].rangehigh + bands_adc[2].rangelow) / 2) | |
1130 | ||
1131 | if (f->tuner == 0 && f->type == V4L2_TUNER_ADC) { | |
1132 | if (f->frequency < BAND_ADC_0) | |
1133 | band = 0; | |
1134 | else if (f->frequency < BAND_ADC_1) | |
1135 | band = 1; | |
1136 | else | |
1137 | band = 2; | |
1138 | ||
725b7f30 | 1139 | dev->f_adc = clamp_t(unsigned int, f->frequency, |
fc3a0497 AP |
1140 | bands_adc[band].rangelow, |
1141 | bands_adc[band].rangehigh); | |
77113892 | 1142 | |
e4e78693 | 1143 | dev_dbg(&pdev->dev, "ADC frequency=%u Hz\n", dev->f_adc); |
725b7f30 | 1144 | ret = rtl2832_sdr_set_adc(dev); |
fc3a0497 AP |
1145 | } else if (f->tuner == 1 && |
1146 | V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, s_frequency)) { | |
1147 | ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, s_frequency, f); | |
77113892 | 1148 | } else if (f->tuner == 1) { |
725b7f30 | 1149 | dev->f_tuner = clamp_t(unsigned int, f->frequency, |
bc908754 HV |
1150 | bands_fm[0].rangelow, |
1151 | bands_fm[0].rangehigh); | |
e4e78693 | 1152 | dev_dbg(&pdev->dev, "RF frequency=%u Hz\n", f->frequency); |
77113892 | 1153 | |
725b7f30 | 1154 | ret = rtl2832_sdr_set_tuner_freq(dev); |
77113892 AP |
1155 | } else { |
1156 | ret = -EINVAL; | |
1157 | } | |
77113892 AP |
1158 | return ret; |
1159 | } | |
1160 | ||
1161 | static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv, | |
1162 | struct v4l2_fmtdesc *f) | |
1163 | { | |
725b7f30 | 1164 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1165 | struct platform_device *pdev = dev->pdev; |
941a8204 | 1166 | |
e4e78693 | 1167 | dev_dbg(&pdev->dev, "\n"); |
77113892 | 1168 | |
725b7f30 | 1169 | if (f->index >= dev->num_formats) |
77113892 AP |
1170 | return -EINVAL; |
1171 | ||
1172 | strlcpy(f->description, formats[f->index].name, sizeof(f->description)); | |
1173 | f->pixelformat = formats[f->index].pixelformat; | |
1174 | ||
1175 | return 0; | |
1176 | } | |
1177 | ||
1178 | static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv, | |
1179 | struct v4l2_format *f) | |
1180 | { | |
725b7f30 | 1181 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1182 | struct platform_device *pdev = dev->pdev; |
941a8204 | 1183 | |
e4e78693 | 1184 | dev_dbg(&pdev->dev, "\n"); |
77113892 | 1185 | |
725b7f30 AP |
1186 | f->fmt.sdr.pixelformat = dev->pixelformat; |
1187 | f->fmt.sdr.buffersize = dev->buffersize; | |
d57fe404 | 1188 | |
bc908754 | 1189 | memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); |
77113892 AP |
1190 | |
1191 | return 0; | |
1192 | } | |
1193 | ||
1194 | static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv, | |
1195 | struct v4l2_format *f) | |
1196 | { | |
725b7f30 | 1197 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1198 | struct platform_device *pdev = dev->pdev; |
725b7f30 | 1199 | struct vb2_queue *q = &dev->vb_queue; |
77113892 | 1200 | int i; |
941a8204 | 1201 | |
e4e78693 AP |
1202 | dev_dbg(&pdev->dev, "pixelformat fourcc %4.4s\n", |
1203 | (char *)&f->fmt.sdr.pixelformat); | |
77113892 AP |
1204 | |
1205 | if (vb2_is_busy(q)) | |
1206 | return -EBUSY; | |
1207 | ||
bc908754 | 1208 | memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); |
725b7f30 | 1209 | for (i = 0; i < dev->num_formats; i++) { |
77113892 | 1210 | if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { |
725b7f30 AP |
1211 | dev->pixelformat = formats[i].pixelformat; |
1212 | dev->buffersize = formats[i].buffersize; | |
d57fe404 | 1213 | f->fmt.sdr.buffersize = formats[i].buffersize; |
77113892 AP |
1214 | return 0; |
1215 | } | |
1216 | } | |
1217 | ||
725b7f30 AP |
1218 | dev->pixelformat = formats[0].pixelformat; |
1219 | dev->buffersize = formats[0].buffersize; | |
d57fe404 AP |
1220 | f->fmt.sdr.pixelformat = formats[0].pixelformat; |
1221 | f->fmt.sdr.buffersize = formats[0].buffersize; | |
77113892 AP |
1222 | |
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv, | |
1227 | struct v4l2_format *f) | |
1228 | { | |
725b7f30 | 1229 | struct rtl2832_sdr_dev *dev = video_drvdata(file); |
e4e78693 | 1230 | struct platform_device *pdev = dev->pdev; |
77113892 | 1231 | int i; |
941a8204 | 1232 | |
e4e78693 AP |
1233 | dev_dbg(&pdev->dev, "pixelformat fourcc %4.4s\n", |
1234 | (char *)&f->fmt.sdr.pixelformat); | |
77113892 | 1235 | |
bc908754 | 1236 | memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); |
725b7f30 | 1237 | for (i = 0; i < dev->num_formats; i++) { |
d57fe404 AP |
1238 | if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { |
1239 | f->fmt.sdr.buffersize = formats[i].buffersize; | |
77113892 | 1240 | return 0; |
d57fe404 | 1241 | } |
77113892 AP |
1242 | } |
1243 | ||
1244 | f->fmt.sdr.pixelformat = formats[0].pixelformat; | |
d57fe404 | 1245 | f->fmt.sdr.buffersize = formats[0].buffersize; |
77113892 AP |
1246 | |
1247 | return 0; | |
1248 | } | |
1249 | ||
1250 | static const struct v4l2_ioctl_ops rtl2832_sdr_ioctl_ops = { | |
1251 | .vidioc_querycap = rtl2832_sdr_querycap, | |
1252 | ||
1253 | .vidioc_enum_fmt_sdr_cap = rtl2832_sdr_enum_fmt_sdr_cap, | |
1254 | .vidioc_g_fmt_sdr_cap = rtl2832_sdr_g_fmt_sdr_cap, | |
1255 | .vidioc_s_fmt_sdr_cap = rtl2832_sdr_s_fmt_sdr_cap, | |
1256 | .vidioc_try_fmt_sdr_cap = rtl2832_sdr_try_fmt_sdr_cap, | |
1257 | ||
1258 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1259 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1260 | .vidioc_prepare_buf = vb2_ioctl_prepare_buf, | |
1261 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1262 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1263 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1264 | ||
1265 | .vidioc_streamon = vb2_ioctl_streamon, | |
1266 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1267 | ||
1268 | .vidioc_g_tuner = rtl2832_sdr_g_tuner, | |
1269 | .vidioc_s_tuner = rtl2832_sdr_s_tuner, | |
1270 | ||
1271 | .vidioc_enum_freq_bands = rtl2832_sdr_enum_freq_bands, | |
1272 | .vidioc_g_frequency = rtl2832_sdr_g_frequency, | |
1273 | .vidioc_s_frequency = rtl2832_sdr_s_frequency, | |
1274 | ||
1275 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1276 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
1277 | .vidioc_log_status = v4l2_ctrl_log_status, | |
1278 | }; | |
1279 | ||
1280 | static const struct v4l2_file_operations rtl2832_sdr_fops = { | |
1281 | .owner = THIS_MODULE, | |
1282 | .open = v4l2_fh_open, | |
1283 | .release = vb2_fop_release, | |
1284 | .read = vb2_fop_read, | |
1285 | .poll = vb2_fop_poll, | |
1286 | .mmap = vb2_fop_mmap, | |
1287 | .unlocked_ioctl = video_ioctl2, | |
1288 | }; | |
1289 | ||
1290 | static struct video_device rtl2832_sdr_template = { | |
1291 | .name = "Realtek RTL2832 SDR", | |
1292 | .release = video_device_release_empty, | |
1293 | .fops = &rtl2832_sdr_fops, | |
1294 | .ioctl_ops = &rtl2832_sdr_ioctl_ops, | |
1295 | }; | |
1296 | ||
1297 | static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl) | |
1298 | { | |
725b7f30 AP |
1299 | struct rtl2832_sdr_dev *dev = |
1300 | container_of(ctrl->handler, struct rtl2832_sdr_dev, | |
77113892 | 1301 | hdl); |
e4e78693 | 1302 | struct platform_device *pdev = dev->pdev; |
3bda2bf1 AP |
1303 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
1304 | struct dvb_frontend *fe = pdata->dvb_frontend; | |
77113892 AP |
1305 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
1306 | int ret; | |
941a8204 | 1307 | |
e4e78693 AP |
1308 | dev_dbg(&pdev->dev, "id=%d name=%s val=%d min=%lld max=%lld step=%lld\n", |
1309 | ctrl->id, ctrl->name, ctrl->val, ctrl->minimum, ctrl->maximum, | |
1310 | ctrl->step); | |
77113892 AP |
1311 | |
1312 | switch (ctrl->id) { | |
1313 | case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO: | |
1314 | case V4L2_CID_RF_TUNER_BANDWIDTH: | |
ea4d04f9 | 1315 | /* TODO: these controls should be moved to tuner drivers */ |
725b7f30 | 1316 | if (dev->bandwidth_auto->val) { |
ea4d04f9 | 1317 | /* Round towards the closest legal value */ |
725b7f30 | 1318 | s32 val = dev->f_adc + div_u64(dev->bandwidth->step, 2); |
ea4d04f9 | 1319 | u32 offset; |
941a8204 | 1320 | |
725b7f30 AP |
1321 | val = clamp_t(s32, val, dev->bandwidth->minimum, |
1322 | dev->bandwidth->maximum); | |
1323 | offset = val - dev->bandwidth->minimum; | |
1324 | offset = dev->bandwidth->step * | |
1325 | div_u64(offset, dev->bandwidth->step); | |
1326 | dev->bandwidth->val = dev->bandwidth->minimum + offset; | |
ea4d04f9 | 1327 | } |
725b7f30 | 1328 | c->bandwidth_hz = dev->bandwidth->val; |
77113892 | 1329 | |
725b7f30 | 1330 | if (!test_bit(POWER_ON, &dev->flags)) |
77113892 AP |
1331 | return 0; |
1332 | ||
1333 | if (fe->ops.tuner_ops.set_params) | |
1334 | ret = fe->ops.tuner_ops.set_params(fe); | |
1335 | else | |
1336 | ret = 0; | |
1337 | break; | |
1338 | default: | |
1339 | ret = -EINVAL; | |
1340 | } | |
1341 | ||
1342 | return ret; | |
1343 | } | |
1344 | ||
1345 | static const struct v4l2_ctrl_ops rtl2832_sdr_ctrl_ops = { | |
1346 | .s_ctrl = rtl2832_sdr_s_ctrl, | |
1347 | }; | |
1348 | ||
1349 | static void rtl2832_sdr_video_release(struct v4l2_device *v) | |
1350 | { | |
725b7f30 AP |
1351 | struct rtl2832_sdr_dev *dev = |
1352 | container_of(v, struct rtl2832_sdr_dev, v4l2_dev); | |
63bdab5d AP |
1353 | struct platform_device *pdev = dev->pdev; |
1354 | ||
1355 | dev_dbg(&pdev->dev, "\n"); | |
77113892 | 1356 | |
725b7f30 AP |
1357 | v4l2_ctrl_handler_free(&dev->hdl); |
1358 | v4l2_device_unregister(&dev->v4l2_dev); | |
1359 | kfree(dev); | |
77113892 AP |
1360 | } |
1361 | ||
63bdab5d AP |
1362 | /* Platform driver interface */ |
1363 | static int rtl2832_sdr_probe(struct platform_device *pdev) | |
77113892 | 1364 | { |
725b7f30 | 1365 | struct rtl2832_sdr_dev *dev; |
63bdab5d | 1366 | struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data; |
77113892 | 1367 | const struct v4l2_ctrl_ops *ops = &rtl2832_sdr_ctrl_ops; |
63bdab5d AP |
1368 | struct v4l2_subdev *subdev; |
1369 | int ret; | |
77113892 | 1370 | |
63bdab5d AP |
1371 | dev_dbg(&pdev->dev, "\n"); |
1372 | ||
1373 | if (!pdata) { | |
1374 | dev_err(&pdev->dev, "Cannot proceed without platform data\n"); | |
1375 | ret = -EINVAL; | |
1376 | goto err; | |
1377 | } | |
d5eec231 AP |
1378 | if (!pdev->dev.parent->driver) { |
1379 | dev_dbg(&pdev->dev, "No parent device\n"); | |
1380 | ret = -EINVAL; | |
1381 | goto err; | |
1382 | } | |
1383 | /* try to refcount host drv since we are the consumer */ | |
1384 | if (!try_module_get(pdev->dev.parent->driver->owner)) { | |
1385 | dev_err(&pdev->dev, "Refcount fail"); | |
1386 | ret = -EINVAL; | |
1387 | goto err; | |
1388 | } | |
63bdab5d | 1389 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
725b7f30 | 1390 | if (dev == NULL) { |
63bdab5d | 1391 | ret = -ENOMEM; |
d5eec231 | 1392 | goto err_module_put; |
77113892 AP |
1393 | } |
1394 | ||
1395 | /* setup the state */ | |
63bdab5d | 1396 | subdev = pdata->v4l2_subdev; |
fc3a0497 | 1397 | dev->v4l2_subdev = pdata->v4l2_subdev; |
63bdab5d | 1398 | dev->pdev = pdev; |
63bdab5d | 1399 | dev->udev = pdata->dvb_usb_device->udev; |
725b7f30 AP |
1400 | dev->f_adc = bands_adc[0].rangelow; |
1401 | dev->f_tuner = bands_fm[0].rangelow; | |
1402 | dev->pixelformat = formats[0].pixelformat; | |
1403 | dev->buffersize = formats[0].buffersize; | |
1404 | dev->num_formats = NUM_FORMATS; | |
2fe15e20 | 1405 | if (!rtl2832_sdr_emulated_fmt) |
725b7f30 | 1406 | dev->num_formats -= 1; |
77113892 | 1407 | |
725b7f30 AP |
1408 | mutex_init(&dev->v4l2_lock); |
1409 | mutex_init(&dev->vb_queue_lock); | |
1410 | spin_lock_init(&dev->queued_bufs_lock); | |
1411 | INIT_LIST_HEAD(&dev->queued_bufs); | |
77113892 AP |
1412 | |
1413 | /* Init videobuf2 queue structure */ | |
725b7f30 AP |
1414 | dev->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE; |
1415 | dev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; | |
1416 | dev->vb_queue.drv_priv = dev; | |
1417 | dev->vb_queue.buf_struct_size = sizeof(struct rtl2832_sdr_frame_buf); | |
1418 | dev->vb_queue.ops = &rtl2832_sdr_vb2_ops; | |
1419 | dev->vb_queue.mem_ops = &vb2_vmalloc_memops; | |
1420 | dev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1421 | ret = vb2_queue_init(&dev->vb_queue); | |
77113892 | 1422 | if (ret) { |
63bdab5d AP |
1423 | dev_err(&pdev->dev, "Could not initialize vb2 queue\n"); |
1424 | goto err_kfree; | |
77113892 AP |
1425 | } |
1426 | ||
1427 | /* Register controls */ | |
63bdab5d AP |
1428 | switch (pdata->tuner) { |
1429 | case RTL2832_SDR_TUNER_E4000: | |
725b7f30 | 1430 | v4l2_ctrl_handler_init(&dev->hdl, 9); |
63bdab5d AP |
1431 | if (subdev) |
1432 | v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler, NULL); | |
77113892 | 1433 | break; |
63bdab5d AP |
1434 | case RTL2832_SDR_TUNER_R820T: |
1435 | case RTL2832_SDR_TUNER_R828D: | |
725b7f30 AP |
1436 | v4l2_ctrl_handler_init(&dev->hdl, 2); |
1437 | dev->bandwidth_auto = v4l2_ctrl_new_std(&dev->hdl, ops, | |
63bdab5d AP |
1438 | V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, |
1439 | 0, 1, 1, 1); | |
725b7f30 | 1440 | dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, ops, |
63bdab5d AP |
1441 | V4L2_CID_RF_TUNER_BANDWIDTH, |
1442 | 0, 8000000, 100000, 0); | |
725b7f30 | 1443 | v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false); |
77113892 | 1444 | break; |
63bdab5d AP |
1445 | case RTL2832_SDR_TUNER_FC0012: |
1446 | case RTL2832_SDR_TUNER_FC0013: | |
725b7f30 AP |
1447 | v4l2_ctrl_handler_init(&dev->hdl, 2); |
1448 | dev->bandwidth_auto = v4l2_ctrl_new_std(&dev->hdl, ops, | |
63bdab5d AP |
1449 | V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, |
1450 | 0, 1, 1, 1); | |
725b7f30 | 1451 | dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, ops, |
63bdab5d AP |
1452 | V4L2_CID_RF_TUNER_BANDWIDTH, |
1453 | 6000000, 8000000, 1000000, | |
1454 | 6000000); | |
725b7f30 | 1455 | v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false); |
77113892 | 1456 | break; |
fc3a0497 AP |
1457 | case RTL2832_SDR_TUNER_FC2580: |
1458 | v4l2_ctrl_handler_init(&dev->hdl, 2); | |
1459 | if (subdev) | |
1460 | v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler, | |
1461 | NULL); | |
1462 | break; | |
77113892 | 1463 | default: |
725b7f30 | 1464 | v4l2_ctrl_handler_init(&dev->hdl, 0); |
63bdab5d AP |
1465 | dev_err(&pdev->dev, "Unsupported tuner\n"); |
1466 | goto err_v4l2_ctrl_handler_free; | |
77113892 | 1467 | } |
725b7f30 AP |
1468 | if (dev->hdl.error) { |
1469 | ret = dev->hdl.error; | |
63bdab5d AP |
1470 | dev_err(&pdev->dev, "Could not initialize controls\n"); |
1471 | goto err_v4l2_ctrl_handler_free; | |
77113892 AP |
1472 | } |
1473 | ||
1474 | /* Init video_device structure */ | |
725b7f30 AP |
1475 | dev->vdev = rtl2832_sdr_template; |
1476 | dev->vdev.queue = &dev->vb_queue; | |
1477 | dev->vdev.queue->lock = &dev->vb_queue_lock; | |
1478 | video_set_drvdata(&dev->vdev, dev); | |
77113892 AP |
1479 | |
1480 | /* Register the v4l2_device structure */ | |
725b7f30 | 1481 | dev->v4l2_dev.release = rtl2832_sdr_video_release; |
e4e78693 | 1482 | ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); |
77113892 | 1483 | if (ret) { |
63bdab5d AP |
1484 | dev_err(&pdev->dev, "Failed to register v4l2-device %d\n", ret); |
1485 | goto err_v4l2_ctrl_handler_free; | |
77113892 AP |
1486 | } |
1487 | ||
725b7f30 AP |
1488 | dev->v4l2_dev.ctrl_handler = &dev->hdl; |
1489 | dev->vdev.v4l2_dev = &dev->v4l2_dev; | |
1490 | dev->vdev.lock = &dev->v4l2_lock; | |
1491 | dev->vdev.vfl_dir = VFL_DIR_RX; | |
77113892 | 1492 | |
725b7f30 | 1493 | ret = video_register_device(&dev->vdev, VFL_TYPE_SDR, -1); |
77113892 | 1494 | if (ret) { |
63bdab5d AP |
1495 | dev_err(&pdev->dev, "Failed to register as video device %d\n", |
1496 | ret); | |
1497 | goto err_v4l2_device_unregister; | |
77113892 | 1498 | } |
63bdab5d AP |
1499 | dev_info(&pdev->dev, "Registered as %s\n", |
1500 | video_device_node_name(&dev->vdev)); | |
1501 | dev_info(&pdev->dev, "Realtek RTL2832 SDR attached\n"); | |
1502 | dev_notice(&pdev->dev, | |
1503 | "SDR API is still slightly experimental and functionality changes may follow\n"); | |
1504 | platform_set_drvdata(pdev, dev); | |
1505 | return 0; | |
1506 | err_v4l2_device_unregister: | |
725b7f30 | 1507 | v4l2_device_unregister(&dev->v4l2_dev); |
63bdab5d | 1508 | err_v4l2_ctrl_handler_free: |
725b7f30 | 1509 | v4l2_ctrl_handler_free(&dev->hdl); |
63bdab5d | 1510 | err_kfree: |
725b7f30 | 1511 | kfree(dev); |
d5eec231 AP |
1512 | err_module_put: |
1513 | module_put(pdev->dev.parent->driver->owner); | |
63bdab5d AP |
1514 | err: |
1515 | return ret; | |
77113892 | 1516 | } |
63bdab5d AP |
1517 | |
1518 | static int rtl2832_sdr_remove(struct platform_device *pdev) | |
1519 | { | |
1520 | struct rtl2832_sdr_dev *dev = platform_get_drvdata(pdev); | |
1521 | ||
1522 | dev_dbg(&pdev->dev, "\n"); | |
1523 | ||
1524 | mutex_lock(&dev->vb_queue_lock); | |
1525 | mutex_lock(&dev->v4l2_lock); | |
1526 | /* No need to keep the urbs around after disconnection */ | |
1527 | dev->udev = NULL; | |
1528 | v4l2_device_disconnect(&dev->v4l2_dev); | |
1529 | video_unregister_device(&dev->vdev); | |
1530 | mutex_unlock(&dev->v4l2_lock); | |
1531 | mutex_unlock(&dev->vb_queue_lock); | |
63bdab5d | 1532 | v4l2_device_put(&dev->v4l2_dev); |
d5eec231 | 1533 | module_put(pdev->dev.parent->driver->owner); |
63bdab5d AP |
1534 | |
1535 | return 0; | |
1536 | } | |
1537 | ||
1538 | static struct platform_driver rtl2832_sdr_driver = { | |
1539 | .driver = { | |
1540 | .name = "rtl2832_sdr", | |
1541 | .owner = THIS_MODULE, | |
1542 | }, | |
1543 | .probe = rtl2832_sdr_probe, | |
1544 | .remove = rtl2832_sdr_remove, | |
1545 | }; | |
1546 | module_platform_driver(rtl2832_sdr_driver); | |
77113892 AP |
1547 | |
1548 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | |
1549 | MODULE_DESCRIPTION("Realtek RTL2832 SDR driver"); | |
1550 | MODULE_LICENSE("GPL"); |