1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * camss-csid-4-7.c
4 *
5 * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
6 *
7 * Copyright (C) 2020 Linaro Ltd.
8 */
9 #include <linux/completion.h>
10 #include <linux/interrupt.h>
11 #include <linux/io.h>
12 #include <linux/kernel.h>
13 #include <linux/of.h>
14
15 #include "camss-csid.h"
16 #include "camss-csid-gen2.h"
17 #include "camss.h"
18
19 /* The CSID 2 IP-block is different from the others,
20 * and is of a bare-bones Lite version, with no PIX
21 * interface support. As a result of that it has an
22 * alternate register layout.
23 */
24
25 #define CSID_HW_VERSION 0x0
26 #define HW_VERSION_STEPPING 0
27 #define HW_VERSION_REVISION 16
28 #define HW_VERSION_GENERATION 28
29
30 #define CSID_RST_STROBES 0x10
31 #define RST_STROBES 0
32
33 #define CSID_CSI2_RX_IRQ_STATUS 0x20
34 #define CSID_CSI2_RX_IRQ_MASK 0x24
35 #define CSID_CSI2_RX_IRQ_CLEAR 0x28
36
37 #define CSID_CSI2_RDIN_IRQ_STATUS(rdi) ((csid_is_lite(csid) ? 0x30 : 0x40) \
38 + 0x10 * (rdi))
39 #define CSID_CSI2_RDIN_IRQ_MASK(rdi) ((csid_is_lite(csid) ? 0x34 : 0x44) \
40 + 0x10 * (rdi))
41 #define CSID_CSI2_RDIN_IRQ_CLEAR(rdi) ((csid_is_lite(csid) ? 0x38 : 0x48) \
42 + 0x10 * (rdi))
43 #define CSID_CSI2_RDIN_IRQ_SET(rdi) ((csid_is_lite(csid) ? 0x3C : 0x4C) \
44 + 0x10 * (rdi))
45
46 #define CSID_TOP_IRQ_STATUS 0x70
47 #define TOP_IRQ_STATUS_RESET_DONE 0
48 #define CSID_TOP_IRQ_MASK 0x74
49 #define CSID_TOP_IRQ_CLEAR 0x78
50 #define CSID_TOP_IRQ_SET 0x7C
51 #define CSID_IRQ_CMD 0x80
52 #define IRQ_CMD_CLEAR 0
53 #define IRQ_CMD_SET 4
54
55 #define CSID_CSI2_RX_CFG0 0x100
56 #define CSI2_RX_CFG0_NUM_ACTIVE_LANES 0
57 #define CSI2_RX_CFG0_DL0_INPUT_SEL 4
58 #define CSI2_RX_CFG0_DL1_INPUT_SEL 8
59 #define CSI2_RX_CFG0_DL2_INPUT_SEL 12
60 #define CSI2_RX_CFG0_DL3_INPUT_SEL 16
61 #define CSI2_RX_CFG0_PHY_NUM_SEL 20
62 #define CSI2_RX_CFG0_PHY_TYPE_SEL 24
63
64 #define CSID_CSI2_RX_CFG1 0x104
65 #define CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN 0
66 #define CSI2_RX_CFG1_DE_SCRAMBLE_EN 1
67 #define CSI2_RX_CFG1_VC_MODE 2
68 #define CSI2_RX_CFG1_COMPLETE_STREAM_EN 4
69 #define CSI2_RX_CFG1_COMPLETE_STREAM_FRAME_TIMING 5
70 #define CSI2_RX_CFG1_MISR_EN 6
71 #define CSI2_RX_CFG1_CGC_MODE 7
72 #define CGC_MODE_DYNAMIC_GATING 0
73 #define CGC_MODE_ALWAYS_ON 1
74
75 #define CSID_RDI_CFG0(rdi) ((csid_is_lite(csid) ? 0x200 : 0x300) \
76 + 0x100 * (rdi))
77 #define RDI_CFG0_BYTE_CNTR_EN 0
78 #define RDI_CFG0_FORMAT_MEASURE_EN 1
79 #define RDI_CFG0_TIMESTAMP_EN 2
80 #define RDI_CFG0_DROP_H_EN 3
81 #define RDI_CFG0_DROP_V_EN 4
82 #define RDI_CFG0_CROP_H_EN 5
83 #define RDI_CFG0_CROP_V_EN 6
84 #define RDI_CFG0_MISR_EN 7
85 #define RDI_CFG0_CGC_MODE 8
86 #define CGC_MODE_DYNAMIC 0
87 #define CGC_MODE_ALWAYS_ON 1
88 #define RDI_CFG0_PLAIN_ALIGNMENT 9
89 #define PLAIN_ALIGNMENT_LSB 0
90 #define PLAIN_ALIGNMENT_MSB 1
91 #define RDI_CFG0_PLAIN_FORMAT 10
92 #define RDI_CFG0_DECODE_FORMAT 12
93 #define RDI_CFG0_DATA_TYPE 16
94 #define RDI_CFG0_VIRTUAL_CHANNEL 22
95 #define RDI_CFG0_DT_ID 27
96 #define RDI_CFG0_EARLY_EOF_EN 29
97 #define RDI_CFG0_PACKING_FORMAT 30
98 #define RDI_CFG0_ENABLE 31
99
100 #define CSID_RDI_CFG1(rdi) ((csid_is_lite(csid) ? 0x204 : 0x304)\
101 + 0x100 * (rdi))
102 #define RDI_CFG1_TIMESTAMP_STB_SEL 0
103
104 #define CSID_RDI_CTRL(rdi) ((csid_is_lite(csid) ? 0x208 : 0x308)\
105 + 0x100 * (rdi))
106 #define RDI_CTRL_HALT_CMD 0
107 #define HALT_CMD_HALT_AT_FRAME_BOUNDARY 0
108 #define HALT_CMD_RESUME_AT_FRAME_BOUNDARY 1
109 #define RDI_CTRL_HALT_MODE 2
110
111 #define CSID_RDI_FRM_DROP_PATTERN(rdi) ((csid_is_lite(csid) ? 0x20C : 0x30C)\
112 + 0x100 * (rdi))
113 #define CSID_RDI_FRM_DROP_PERIOD(rdi) ((csid_is_lite(csid) ? 0x210 : 0x310)\
114 + 0x100 * (rdi))
115 #define CSID_RDI_IRQ_SUBSAMPLE_PATTERN(rdi) ((csid_is_lite(csid) ? 0x214 : 0x314)\
116 + 0x100 * (rdi))
117 #define CSID_RDI_IRQ_SUBSAMPLE_PERIOD(rdi) ((csid_is_lite(csid) ? 0x218 : 0x318)\
118 + 0x100 * (rdi))
119 #define CSID_RDI_RPP_PIX_DROP_PATTERN(rdi) ((csid_is_lite(csid) ? 0x224 : 0x324)\
120 + 0x100 * (rdi))
121 #define CSID_RDI_RPP_PIX_DROP_PERIOD(rdi) ((csid_is_lite(csid) ? 0x228 : 0x328)\
122 + 0x100 * (rdi))
123 #define CSID_RDI_RPP_LINE_DROP_PATTERN(rdi) ((csid_is_lite(csid) ? 0x22C : 0x32C)\
124 + 0x100 * (rdi))
125 #define CSID_RDI_RPP_LINE_DROP_PERIOD(rdi) ((csid_is_lite(csid) ? 0x230 : 0x330)\
126 + 0x100 * (rdi))
127
128 #define CSID_TPG_CTRL 0x600
129 #define TPG_CTRL_TEST_EN 0
130 #define TPG_CTRL_FS_PKT_EN 1
131 #define TPG_CTRL_FE_PKT_EN 2
132 #define TPG_CTRL_NUM_ACTIVE_LANES 4
133 #define TPG_CTRL_CYCLES_BETWEEN_PKTS 8
134 #define TPG_CTRL_NUM_TRAIL_BYTES 20
135
136 #define CSID_TPG_VC_CFG0 0x604
137 #define TPG_VC_CFG0_VC_NUM 0
138 #define TPG_VC_CFG0_NUM_ACTIVE_SLOTS 8
139 #define NUM_ACTIVE_SLOTS_0_ENABLED 0
140 #define NUM_ACTIVE_SLOTS_0_1_ENABLED 1
141 #define NUM_ACTIVE_SLOTS_0_1_2_ENABLED 2
142 #define NUM_ACTIVE_SLOTS_0_1_3_ENABLED 3
143 #define TPG_VC_CFG0_LINE_INTERLEAVING_MODE 10
144 #define INTELEAVING_MODE_INTERLEAVED 0
145 #define INTELEAVING_MODE_ONE_SHOT 1
146 #define TPG_VC_CFG0_NUM_FRAMES 16
147
148 #define CSID_TPG_VC_CFG1 0x608
149 #define TPG_VC_CFG1_H_BLANKING_COUNT 0
150 #define TPG_VC_CFG1_V_BLANKING_COUNT 12
151 #define TPG_VC_CFG1_V_BLANK_FRAME_WIDTH_SEL 24
152
153 #define CSID_TPG_LFSR_SEED 0x60C
154
155 #define CSID_TPG_DT_n_CFG_0(n) (0x610 + (n) * 0xC)
156 #define TPG_DT_n_CFG_0_FRAME_HEIGHT 0
157 #define TPG_DT_n_CFG_0_FRAME_WIDTH 16
158
159 #define CSID_TPG_DT_n_CFG_1(n) (0x614 + (n) * 0xC)
160 #define TPG_DT_n_CFG_1_DATA_TYPE 0
161 #define TPG_DT_n_CFG_1_ECC_XOR_MASK 8
162 #define TPG_DT_n_CFG_1_CRC_XOR_MASK 16
163
164 #define CSID_TPG_DT_n_CFG_2(n) (0x618 + (n) * 0xC)
165 #define TPG_DT_n_CFG_2_PAYLOAD_MODE 0
166 #define TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD 4
167 #define TPG_DT_n_CFG_2_ENCODE_FORMAT 16
168
169 #define CSID_TPG_COLOR_BARS_CFG 0x640
170 #define TPG_COLOR_BARS_CFG_UNICOLOR_BAR_EN 0
171 #define TPG_COLOR_BARS_CFG_UNICOLOR_BAR_SEL 4
172 #define TPG_COLOR_BARS_CFG_SPLIT_EN 5
173 #define TPG_COLOR_BARS_CFG_ROTATE_PERIOD 8
174
175 #define CSID_TPG_COLOR_BOX_CFG 0x644
176 #define TPG_COLOR_BOX_CFG_MODE 0
177 #define TPG_COLOR_BOX_PATTERN_SEL 2
178
__csid_configure_rx(struct csid_device * csid,struct csid_phy_config * phy,int vc)179 static void __csid_configure_rx(struct csid_device *csid,
180 struct csid_phy_config *phy, int vc)
181 {
182 u8 lane_cnt = csid->phy.lane_cnt;
183 int val;
184
185 if (!lane_cnt)
186 lane_cnt = 4;
187
188 val = (lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES;
189 val |= phy->lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL;
190 val |= phy->csiphy_id << CSI2_RX_CFG0_PHY_NUM_SEL;
191 writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG0);
192
193 val = 1 << CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN;
194 if (vc > 3)
195 val |= 1 << CSI2_RX_CFG1_VC_MODE;
196 val |= 1 << CSI2_RX_CFG1_MISR_EN;
197 writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1);
198 }
199
__csid_ctrl_rdi(struct csid_device * csid,int enable,u8 rdi)200 static void __csid_ctrl_rdi(struct csid_device *csid, int enable, u8 rdi)
201 {
202 int val;
203
204 if (enable)
205 val = HALT_CMD_RESUME_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD;
206 else
207 val = HALT_CMD_HALT_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD;
208 writel_relaxed(val, csid->base + CSID_RDI_CTRL(rdi));
209 }
210
__csid_configure_testgen(struct csid_device * csid,u8 enable,u8 vc)211 static void __csid_configure_testgen(struct csid_device *csid, u8 enable, u8 vc)
212 {
213 struct csid_testgen_config *tg = &csid->testgen;
214 struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc];
215 const struct csid_format_info *format = csid_get_fmt_entry(csid->res->formats->formats,
216 csid->res->formats->nformats,
217 input_format->code);
218 u8 lane_cnt = csid->phy.lane_cnt;
219 u32 val;
220
221 if (!lane_cnt)
222 lane_cnt = 4;
223
224 /* configure one DT, infinite frames */
225 val = vc << TPG_VC_CFG0_VC_NUM;
226 val |= INTELEAVING_MODE_ONE_SHOT << TPG_VC_CFG0_LINE_INTERLEAVING_MODE;
227 val |= 0 << TPG_VC_CFG0_NUM_FRAMES;
228 writel_relaxed(val, csid->base + CSID_TPG_VC_CFG0);
229
230 val = 0x740 << TPG_VC_CFG1_H_BLANKING_COUNT;
231 val |= 0x3ff << TPG_VC_CFG1_V_BLANKING_COUNT;
232 writel_relaxed(val, csid->base + CSID_TPG_VC_CFG1);
233
234 writel_relaxed(0x12345678, csid->base + CSID_TPG_LFSR_SEED);
235
236 val = (input_format->height & 0x1fff) << TPG_DT_n_CFG_0_FRAME_HEIGHT;
237 val |= (input_format->width & 0x1fff) << TPG_DT_n_CFG_0_FRAME_WIDTH;
238 writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_0(0));
239
240 val = format->data_type << TPG_DT_n_CFG_1_DATA_TYPE;
241 writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_1(0));
242
243 val = (tg->mode - 1) << TPG_DT_n_CFG_2_PAYLOAD_MODE;
244 val |= 0xBE << TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD;
245 val |= format->decode_format << TPG_DT_n_CFG_2_ENCODE_FORMAT;
246 writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_2(0));
247
248 writel_relaxed(0, csid->base + CSID_TPG_COLOR_BARS_CFG);
249
250 writel_relaxed(0, csid->base + CSID_TPG_COLOR_BOX_CFG);
251
252 val = enable << TPG_CTRL_TEST_EN;
253 val |= 1 << TPG_CTRL_FS_PKT_EN;
254 val |= 1 << TPG_CTRL_FE_PKT_EN;
255 val |= (lane_cnt - 1) << TPG_CTRL_NUM_ACTIVE_LANES;
256 val |= 0x64 << TPG_CTRL_CYCLES_BETWEEN_PKTS;
257 val |= 0xA << TPG_CTRL_NUM_TRAIL_BYTES;
258 writel_relaxed(val, csid->base + CSID_TPG_CTRL);
259 }
260
__csid_configure_rdi_stream(struct csid_device * csid,u8 enable,u8 vc)261 static void __csid_configure_rdi_stream(struct csid_device *csid, u8 enable, u8 vc)
262 {
263 /* Source pads matching RDI channels on hardware. Pad 1 -> RDI0, Pad 2 -> RDI1, etc. */
264 struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc];
265 const struct csid_format_info *format = csid_get_fmt_entry(csid->res->formats->formats,
266 csid->res->formats->nformats,
267 input_format->code);
268 u32 val;
269
270 /*
271 * DT_ID is a two bit bitfield that is concatenated with
272 * the four least significant bits of the five bit VC
273 * bitfield to generate an internal CID value.
274 *
275 * CSID_RDI_CFG0(vc)
276 * DT_ID : 28:27
277 * VC : 26:22
278 * DT : 21:16
279 *
280 * CID : VC 3:0 << 2 | DT_ID 1:0
281 */
282 u8 dt_id = vc & 0x03;
283
284 val = 1 << RDI_CFG0_BYTE_CNTR_EN;
285 val |= 1 << RDI_CFG0_FORMAT_MEASURE_EN;
286 val |= 1 << RDI_CFG0_TIMESTAMP_EN;
287 /* note: for non-RDI path, this should be format->decode_format */
288 val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT;
289 val |= format->data_type << RDI_CFG0_DATA_TYPE;
290 val |= vc << RDI_CFG0_VIRTUAL_CHANNEL;
291 val |= dt_id << RDI_CFG0_DT_ID;
292 writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc));
293
294 /* CSID_TIMESTAMP_STB_POST_IRQ */
295 val = 2 << RDI_CFG1_TIMESTAMP_STB_SEL;
296 writel_relaxed(val, csid->base + CSID_RDI_CFG1(vc));
297
298 val = 1;
299 writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(vc));
300
301 val = 0;
302 writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PATTERN(vc));
303
304 val = 1;
305 writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(vc));
306
307 val = 0;
308 writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(vc));
309
310 val = 1;
311 writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(vc));
312
313 val = 0;
314 writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(vc));
315
316 val = 1;
317 writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(vc));
318
319 val = 0;
320 writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(vc));
321
322 val = 0;
323 writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc));
324
325 val = readl_relaxed(csid->base + CSID_RDI_CFG0(vc));
326 val |= enable << RDI_CFG0_ENABLE;
327 writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc));
328 }
329
csid_configure_stream(struct csid_device * csid,u8 enable)330 static void csid_configure_stream(struct csid_device *csid, u8 enable)
331 {
332 struct csid_testgen_config *tg = &csid->testgen;
333 u8 i;
334 /* Loop through all enabled VCs and configure stream for each */
335 for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++)
336 if (csid->phy.en_vc & BIT(i)) {
337 if (tg->enabled)
338 __csid_configure_testgen(csid, enable, i);
339
340 __csid_configure_rdi_stream(csid, enable, i);
341 __csid_configure_rx(csid, &csid->phy, i);
342 __csid_ctrl_rdi(csid, enable, i);
343 }
344 }
345
csid_configure_testgen_pattern(struct csid_device * csid,s32 val)346 static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val)
347 {
348 if (val > 0 && val <= csid->testgen.nmodes)
349 csid->testgen.mode = val;
350
351 return 0;
352 }
353
354 /*
355 * csid_hw_version - CSID hardware version query
356 * @csid: CSID device
357 *
358 * Return HW version or error
359 */
csid_hw_version(struct csid_device * csid)360 static u32 csid_hw_version(struct csid_device *csid)
361 {
362 u32 hw_version;
363 u32 hw_gen;
364 u32 hw_rev;
365 u32 hw_step;
366
367 hw_version = readl_relaxed(csid->base + CSID_HW_VERSION);
368 hw_gen = (hw_version >> HW_VERSION_GENERATION) & 0xF;
369 hw_rev = (hw_version >> HW_VERSION_REVISION) & 0xFFF;
370 hw_step = (hw_version >> HW_VERSION_STEPPING) & 0xFFFF;
371 dev_dbg(csid->camss->dev, "CSID HW Version = %u.%u.%u\n",
372 hw_gen, hw_rev, hw_step);
373
374 return hw_version;
375 }
376
377 /*
378 * csid_isr - CSID module interrupt service routine
379 * @irq: Interrupt line
380 * @dev: CSID device
381 *
382 * Return IRQ_HANDLED on success
383 */
csid_isr(int irq,void * dev)384 static irqreturn_t csid_isr(int irq, void *dev)
385 {
386 struct csid_device *csid = dev;
387 u32 val;
388 u8 reset_done;
389 int i;
390
391 val = readl_relaxed(csid->base + CSID_TOP_IRQ_STATUS);
392 writel_relaxed(val, csid->base + CSID_TOP_IRQ_CLEAR);
393 reset_done = val & BIT(TOP_IRQ_STATUS_RESET_DONE);
394
395 val = readl_relaxed(csid->base + CSID_CSI2_RX_IRQ_STATUS);
396 writel_relaxed(val, csid->base + CSID_CSI2_RX_IRQ_CLEAR);
397
398 /* Read and clear IRQ status for each enabled RDI channel */
399 for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++)
400 if (csid->phy.en_vc & BIT(i)) {
401 val = readl_relaxed(csid->base + CSID_CSI2_RDIN_IRQ_STATUS(i));
402 writel_relaxed(val, csid->base + CSID_CSI2_RDIN_IRQ_CLEAR(i));
403 }
404
405 val = 1 << IRQ_CMD_CLEAR;
406 writel_relaxed(val, csid->base + CSID_IRQ_CMD);
407
408 if (reset_done)
409 complete(&csid->reset_complete);
410
411 return IRQ_HANDLED;
412 }
413
414 /*
415 * csid_reset - Trigger reset on CSID module and wait to complete
416 * @csid: CSID device
417 *
418 * Return 0 on success or a negative error code otherwise
419 */
csid_reset(struct csid_device * csid)420 static int csid_reset(struct csid_device *csid)
421 {
422 unsigned long time;
423 u32 val;
424
425 reinit_completion(&csid->reset_complete);
426
427 writel_relaxed(1, csid->base + CSID_TOP_IRQ_CLEAR);
428 writel_relaxed(1, csid->base + CSID_IRQ_CMD);
429 writel_relaxed(1, csid->base + CSID_TOP_IRQ_MASK);
430 writel_relaxed(1, csid->base + CSID_IRQ_CMD);
431
432 /* preserve registers */
433 val = 0x1e << RST_STROBES;
434 writel_relaxed(val, csid->base + CSID_RST_STROBES);
435
436 time = wait_for_completion_timeout(&csid->reset_complete,
437 msecs_to_jiffies(CSID_RESET_TIMEOUT_MS));
438 if (!time) {
439 dev_err(csid->camss->dev, "CSID reset timeout\n");
440 return -EIO;
441 }
442
443 return 0;
444 }
445
csid_src_pad_code(struct csid_device * csid,u32 sink_code,unsigned int match_format_idx,u32 match_code)446 static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
447 unsigned int match_format_idx, u32 match_code)
448 {
449 switch (sink_code) {
450 case MEDIA_BUS_FMT_SBGGR10_1X10:
451 {
452 u32 src_code[] = {
453 MEDIA_BUS_FMT_SBGGR10_1X10,
454 MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE,
455 };
456
457 return csid_find_code(src_code, ARRAY_SIZE(src_code),
458 match_format_idx, match_code);
459 }
460 case MEDIA_BUS_FMT_Y10_1X10:
461 {
462 u32 src_code[] = {
463 MEDIA_BUS_FMT_Y10_1X10,
464 MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
465 };
466
467 return csid_find_code(src_code, ARRAY_SIZE(src_code),
468 match_format_idx, match_code);
469 }
470 default:
471 if (match_format_idx > 0)
472 return 0;
473
474 return sink_code;
475 }
476 }
477
csid_subdev_init(struct csid_device * csid)478 static void csid_subdev_init(struct csid_device *csid)
479 {
480 csid->testgen.modes = csid_testgen_modes;
481 csid->testgen.nmodes = CSID_PAYLOAD_MODE_NUM_SUPPORTED_GEN2;
482 }
483
484 const struct csid_hw_ops csid_ops_gen2 = {
485 .configure_stream = csid_configure_stream,
486 .configure_testgen_pattern = csid_configure_testgen_pattern,
487 .hw_version = csid_hw_version,
488 .isr = csid_isr,
489 .reset = csid_reset,
490 .src_pad_code = csid_src_pad_code,
491 .subdev_init = csid_subdev_init,
492 };
493