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5f15fbb6 MK |
1 | /* |
2 | * Copyright (C) 2006-2009 Texas Instruments Inc | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
17 | * | |
18 | * CCDC hardware module for DM6446 | |
19 | * ------------------------------ | |
20 | * | |
21 | * This module is for configuring CCD controller of DM6446 VPFE to capture | |
22 | * Raw yuv or Bayer RGB data from a decoder. CCDC has several modules | |
23 | * such as Defect Pixel Correction, Color Space Conversion etc to | |
24 | * pre-process the Raw Bayer RGB data, before writing it to SDRAM. This | |
25 | * module also allows application to configure individual | |
26 | * module parameters through VPFE_CMD_S_CCDC_RAW_PARAMS IOCTL. | |
27 | * To do so, application includes dm644x_ccdc.h and vpfe_capture.h header | |
28 | * files. The setparams() API is called by vpfe_capture driver | |
29 | * to configure module parameters. This file is named DM644x so that other | |
30 | * variants such DM6443 may be supported using the same module. | |
31 | * | |
32 | * TODO: Test Raw bayer parameter settings and bayer capture | |
33 | * Split module parameter structure to module specific ioctl structs | |
34 | * investigate if enum used for user space type definition | |
35 | * to be replaced by #defines or integer | |
36 | */ | |
37 | #include <linux/platform_device.h> | |
38 | #include <linux/uaccess.h> | |
39 | #include <linux/videodev2.h> | |
5a0e3ad6 | 40 | #include <linux/gfp.h> |
8d1b5946 MK |
41 | #include <linux/clk.h> |
42 | #include <linux/err.h> | |
43 | ||
5f15fbb6 MK |
44 | #include <media/davinci/dm644x_ccdc.h> |
45 | #include <media/davinci/vpss.h> | |
8d1b5946 | 46 | |
5f15fbb6 MK |
47 | #include "dm644x_ccdc_regs.h" |
48 | #include "ccdc_hw_device.h" | |
49 | ||
50 | MODULE_LICENSE("GPL"); | |
51 | MODULE_DESCRIPTION("CCDC Driver for DM6446"); | |
52 | MODULE_AUTHOR("Texas Instruments"); | |
53 | ||
8d1b5946 MK |
54 | static struct ccdc_oper_config { |
55 | struct device *dev; | |
56 | /* CCDC interface type */ | |
57 | enum vpfe_hw_if_type if_type; | |
58 | /* Raw Bayer configuration */ | |
59 | struct ccdc_params_raw bayer; | |
60 | /* YCbCr configuration */ | |
61 | struct ccdc_params_ycbcr ycbcr; | |
62 | /* Master clock */ | |
63 | struct clk *mclk; | |
64 | /* slave clock */ | |
65 | struct clk *sclk; | |
66 | /* ccdc base address */ | |
67 | void __iomem *base_addr; | |
68 | } ccdc_cfg = { | |
69 | /* Raw configurations */ | |
70 | .bayer = { | |
71 | .pix_fmt = CCDC_PIXFMT_RAW, | |
72 | .frm_fmt = CCDC_FRMFMT_PROGRESSIVE, | |
73 | .win = CCDC_WIN_VGA, | |
74 | .fid_pol = VPFE_PINPOL_POSITIVE, | |
75 | .vd_pol = VPFE_PINPOL_POSITIVE, | |
76 | .hd_pol = VPFE_PINPOL_POSITIVE, | |
77 | .config_params = { | |
78 | .data_sz = CCDC_DATA_10BITS, | |
79 | }, | |
80 | }, | |
81 | .ycbcr = { | |
82 | .pix_fmt = CCDC_PIXFMT_YCBCR_8BIT, | |
83 | .frm_fmt = CCDC_FRMFMT_INTERLACED, | |
84 | .win = CCDC_WIN_PAL, | |
85 | .fid_pol = VPFE_PINPOL_POSITIVE, | |
86 | .vd_pol = VPFE_PINPOL_POSITIVE, | |
87 | .hd_pol = VPFE_PINPOL_POSITIVE, | |
88 | .bt656_enable = 1, | |
89 | .pix_order = CCDC_PIXORDER_CBYCRY, | |
90 | .buf_type = CCDC_BUFTYPE_FLD_INTERLEAVED | |
5f15fbb6 | 91 | }, |
5f15fbb6 MK |
92 | }; |
93 | ||
94 | #define CCDC_MAX_RAW_YUV_FORMATS 2 | |
95 | ||
96 | /* Raw Bayer formats */ | |
97 | static u32 ccdc_raw_bayer_pix_formats[] = | |
98 | {V4L2_PIX_FMT_SBGGR8, V4L2_PIX_FMT_SBGGR16}; | |
99 | ||
100 | /* Raw YUV formats */ | |
101 | static u32 ccdc_raw_yuv_pix_formats[] = | |
102 | {V4L2_PIX_FMT_UYVY, V4L2_PIX_FMT_YUYV}; | |
103 | ||
e333bab7 VH |
104 | /* CCDC Save/Restore context */ |
105 | static u32 ccdc_ctx[CCDC_REG_END / sizeof(u32)]; | |
106 | ||
5f15fbb6 MK |
107 | /* register access routines */ |
108 | static inline u32 regr(u32 offset) | |
109 | { | |
8d1b5946 | 110 | return __raw_readl(ccdc_cfg.base_addr + offset); |
5f15fbb6 MK |
111 | } |
112 | ||
113 | static inline void regw(u32 val, u32 offset) | |
114 | { | |
8d1b5946 | 115 | __raw_writel(val, ccdc_cfg.base_addr + offset); |
5f15fbb6 MK |
116 | } |
117 | ||
118 | static void ccdc_enable(int flag) | |
119 | { | |
120 | regw(flag, CCDC_PCR); | |
121 | } | |
122 | ||
123 | static void ccdc_enable_vport(int flag) | |
124 | { | |
125 | if (flag) | |
126 | /* enable video port */ | |
127 | regw(CCDC_ENABLE_VIDEO_PORT, CCDC_FMTCFG); | |
128 | else | |
129 | regw(CCDC_DISABLE_VIDEO_PORT, CCDC_FMTCFG); | |
130 | } | |
131 | ||
132 | /* | |
133 | * ccdc_setwin() | |
134 | * This function will configure the window size | |
135 | * to be capture in CCDC reg | |
136 | */ | |
137 | void ccdc_setwin(struct v4l2_rect *image_win, | |
138 | enum ccdc_frmfmt frm_fmt, | |
139 | int ppc) | |
140 | { | |
141 | int horz_start, horz_nr_pixels; | |
142 | int vert_start, vert_nr_lines; | |
143 | int val = 0, mid_img = 0; | |
144 | ||
8d1b5946 | 145 | dev_dbg(ccdc_cfg.dev, "\nStarting ccdc_setwin..."); |
5f15fbb6 MK |
146 | /* |
147 | * ppc - per pixel count. indicates how many pixels per cell | |
148 | * output to SDRAM. example, for ycbcr, it is one y and one c, so 2. | |
149 | * raw capture this is 1 | |
150 | */ | |
151 | horz_start = image_win->left << (ppc - 1); | |
152 | horz_nr_pixels = (image_win->width << (ppc - 1)) - 1; | |
153 | regw((horz_start << CCDC_HORZ_INFO_SPH_SHIFT) | horz_nr_pixels, | |
154 | CCDC_HORZ_INFO); | |
155 | ||
156 | vert_start = image_win->top; | |
157 | ||
158 | if (frm_fmt == CCDC_FRMFMT_INTERLACED) { | |
159 | vert_nr_lines = (image_win->height >> 1) - 1; | |
160 | vert_start >>= 1; | |
161 | /* Since first line doesn't have any data */ | |
162 | vert_start += 1; | |
163 | /* configure VDINT0 */ | |
164 | val = (vert_start << CCDC_VDINT_VDINT0_SHIFT); | |
165 | regw(val, CCDC_VDINT); | |
166 | ||
167 | } else { | |
168 | /* Since first line doesn't have any data */ | |
169 | vert_start += 1; | |
170 | vert_nr_lines = image_win->height - 1; | |
171 | /* | |
172 | * configure VDINT0 and VDINT1. VDINT1 will be at half | |
173 | * of image height | |
174 | */ | |
175 | mid_img = vert_start + (image_win->height / 2); | |
176 | val = (vert_start << CCDC_VDINT_VDINT0_SHIFT) | | |
177 | (mid_img & CCDC_VDINT_VDINT1_MASK); | |
178 | regw(val, CCDC_VDINT); | |
179 | ||
180 | } | |
181 | regw((vert_start << CCDC_VERT_START_SLV0_SHIFT) | vert_start, | |
182 | CCDC_VERT_START); | |
183 | regw(vert_nr_lines, CCDC_VERT_LINES); | |
8d1b5946 | 184 | dev_dbg(ccdc_cfg.dev, "\nEnd of ccdc_setwin..."); |
5f15fbb6 MK |
185 | } |
186 | ||
187 | static void ccdc_readregs(void) | |
188 | { | |
189 | unsigned int val = 0; | |
190 | ||
191 | val = regr(CCDC_ALAW); | |
8d1b5946 | 192 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to ALAW...\n", val); |
5f15fbb6 | 193 | val = regr(CCDC_CLAMP); |
8d1b5946 | 194 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to CLAMP...\n", val); |
5f15fbb6 | 195 | val = regr(CCDC_DCSUB); |
8d1b5946 | 196 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to DCSUB...\n", val); |
5f15fbb6 | 197 | val = regr(CCDC_BLKCMP); |
8d1b5946 | 198 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to BLKCMP...\n", val); |
5f15fbb6 | 199 | val = regr(CCDC_FPC_ADDR); |
8d1b5946 | 200 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FPC_ADDR...\n", val); |
5f15fbb6 | 201 | val = regr(CCDC_FPC); |
8d1b5946 | 202 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FPC...\n", val); |
5f15fbb6 | 203 | val = regr(CCDC_FMTCFG); |
8d1b5946 | 204 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FMTCFG...\n", val); |
5f15fbb6 | 205 | val = regr(CCDC_COLPTN); |
8d1b5946 | 206 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to COLPTN...\n", val); |
5f15fbb6 | 207 | val = regr(CCDC_FMT_HORZ); |
8d1b5946 | 208 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FMT_HORZ...\n", val); |
5f15fbb6 | 209 | val = regr(CCDC_FMT_VERT); |
8d1b5946 | 210 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to FMT_VERT...\n", val); |
5f15fbb6 | 211 | val = regr(CCDC_HSIZE_OFF); |
8d1b5946 | 212 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to HSIZE_OFF...\n", val); |
5f15fbb6 | 213 | val = regr(CCDC_SDOFST); |
8d1b5946 | 214 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to SDOFST...\n", val); |
5f15fbb6 | 215 | val = regr(CCDC_VP_OUT); |
8d1b5946 | 216 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VP_OUT...\n", val); |
5f15fbb6 | 217 | val = regr(CCDC_SYN_MODE); |
8d1b5946 | 218 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to SYN_MODE...\n", val); |
5f15fbb6 | 219 | val = regr(CCDC_HORZ_INFO); |
8d1b5946 | 220 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to HORZ_INFO...\n", val); |
5f15fbb6 | 221 | val = regr(CCDC_VERT_START); |
8d1b5946 | 222 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VERT_START...\n", val); |
5f15fbb6 | 223 | val = regr(CCDC_VERT_LINES); |
8d1b5946 | 224 | dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VERT_LINES...\n", val); |
5f15fbb6 MK |
225 | } |
226 | ||
227 | static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam) | |
228 | { | |
229 | if (ccdcparam->alaw.enable) { | |
230 | if ((ccdcparam->alaw.gama_wd > CCDC_GAMMA_BITS_09_0) || | |
231 | (ccdcparam->alaw.gama_wd < CCDC_GAMMA_BITS_15_6) || | |
232 | (ccdcparam->alaw.gama_wd < ccdcparam->data_sz)) { | |
8d1b5946 | 233 | dev_dbg(ccdc_cfg.dev, "\nInvalid data line select"); |
5f15fbb6 MK |
234 | return -1; |
235 | } | |
236 | } | |
237 | return 0; | |
238 | } | |
239 | ||
240 | static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params) | |
241 | { | |
242 | struct ccdc_config_params_raw *config_params = | |
8d1b5946 | 243 | &ccdc_cfg.bayer.config_params; |
5f15fbb6 MK |
244 | unsigned int *fpc_virtaddr = NULL; |
245 | unsigned int *fpc_physaddr = NULL; | |
246 | ||
247 | memcpy(config_params, raw_params, sizeof(*raw_params)); | |
248 | /* | |
249 | * allocate memory for fault pixel table and copy the user | |
250 | * values to the table | |
251 | */ | |
252 | if (!config_params->fault_pxl.enable) | |
253 | return 0; | |
254 | ||
255 | fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr; | |
256 | fpc_virtaddr = (unsigned int *)phys_to_virt( | |
257 | (unsigned long)fpc_physaddr); | |
258 | /* | |
259 | * Allocate memory for FPC table if current | |
260 | * FPC table buffer is not big enough to | |
25985edc | 261 | * accommodate FPC Number requested |
5f15fbb6 MK |
262 | */ |
263 | if (raw_params->fault_pxl.fp_num != config_params->fault_pxl.fp_num) { | |
264 | if (fpc_physaddr != NULL) { | |
265 | free_pages((unsigned long)fpc_physaddr, | |
266 | get_order | |
267 | (config_params->fault_pxl.fp_num * | |
268 | FP_NUM_BYTES)); | |
269 | } | |
270 | ||
271 | /* Allocate memory for FPC table */ | |
272 | fpc_virtaddr = | |
273 | (unsigned int *)__get_free_pages(GFP_KERNEL | GFP_DMA, | |
274 | get_order(raw_params-> | |
275 | fault_pxl.fp_num * | |
276 | FP_NUM_BYTES)); | |
277 | ||
278 | if (fpc_virtaddr == NULL) { | |
8d1b5946 | 279 | dev_dbg(ccdc_cfg.dev, |
5f15fbb6 MK |
280 | "\nUnable to allocate memory for FPC"); |
281 | return -EFAULT; | |
282 | } | |
283 | fpc_physaddr = | |
284 | (unsigned int *)virt_to_phys((void *)fpc_virtaddr); | |
285 | } | |
286 | ||
287 | /* Copy number of fault pixels and FPC table */ | |
288 | config_params->fault_pxl.fp_num = raw_params->fault_pxl.fp_num; | |
289 | if (copy_from_user(fpc_virtaddr, | |
290 | (void __user *)raw_params->fault_pxl.fpc_table_addr, | |
291 | config_params->fault_pxl.fp_num * FP_NUM_BYTES)) { | |
8d1b5946 | 292 | dev_dbg(ccdc_cfg.dev, "\n copy_from_user failed"); |
5f15fbb6 MK |
293 | return -EFAULT; |
294 | } | |
295 | config_params->fault_pxl.fpc_table_addr = (unsigned int)fpc_physaddr; | |
296 | return 0; | |
297 | } | |
298 | ||
299 | static int ccdc_close(struct device *dev) | |
300 | { | |
301 | struct ccdc_config_params_raw *config_params = | |
8d1b5946 | 302 | &ccdc_cfg.bayer.config_params; |
5f15fbb6 MK |
303 | unsigned int *fpc_physaddr = NULL, *fpc_virtaddr = NULL; |
304 | ||
305 | fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr; | |
306 | ||
307 | if (fpc_physaddr != NULL) { | |
308 | fpc_virtaddr = (unsigned int *) | |
309 | phys_to_virt((unsigned long)fpc_physaddr); | |
310 | free_pages((unsigned long)fpc_virtaddr, | |
311 | get_order(config_params->fault_pxl.fp_num * | |
312 | FP_NUM_BYTES)); | |
313 | } | |
314 | return 0; | |
315 | } | |
316 | ||
317 | /* | |
318 | * ccdc_restore_defaults() | |
319 | * This function will write defaults to all CCDC registers | |
320 | */ | |
321 | static void ccdc_restore_defaults(void) | |
322 | { | |
323 | int i; | |
324 | ||
325 | /* disable CCDC */ | |
326 | ccdc_enable(0); | |
327 | /* set all registers to default value */ | |
328 | for (i = 4; i <= 0x94; i += 4) | |
329 | regw(0, i); | |
330 | regw(CCDC_NO_CULLING, CCDC_CULLING); | |
331 | regw(CCDC_GAMMA_BITS_11_2, CCDC_ALAW); | |
332 | } | |
333 | ||
334 | static int ccdc_open(struct device *device) | |
335 | { | |
5f15fbb6 | 336 | ccdc_restore_defaults(); |
8d1b5946 | 337 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
5f15fbb6 MK |
338 | ccdc_enable_vport(1); |
339 | return 0; | |
340 | } | |
341 | ||
342 | static void ccdc_sbl_reset(void) | |
343 | { | |
344 | vpss_clear_wbl_overflow(VPSS_PCR_CCDC_WBL_O); | |
345 | } | |
346 | ||
347 | /* Parameter operations */ | |
348 | static int ccdc_set_params(void __user *params) | |
349 | { | |
350 | struct ccdc_config_params_raw ccdc_raw_params; | |
351 | int x; | |
352 | ||
8d1b5946 | 353 | if (ccdc_cfg.if_type != VPFE_RAW_BAYER) |
5f15fbb6 MK |
354 | return -EINVAL; |
355 | ||
356 | x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params)); | |
357 | if (x) { | |
8d1b5946 | 358 | dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying" |
5f15fbb6 MK |
359 | "ccdc params, %d\n", x); |
360 | return -EFAULT; | |
361 | } | |
362 | ||
363 | if (!validate_ccdc_param(&ccdc_raw_params)) { | |
364 | if (!ccdc_update_raw_params(&ccdc_raw_params)) | |
365 | return 0; | |
366 | } | |
367 | return -EINVAL; | |
368 | } | |
369 | ||
370 | /* | |
371 | * ccdc_config_ycbcr() | |
372 | * This function will configure CCDC for YCbCr video capture | |
373 | */ | |
374 | void ccdc_config_ycbcr(void) | |
375 | { | |
8d1b5946 | 376 | struct ccdc_params_ycbcr *params = &ccdc_cfg.ycbcr; |
5f15fbb6 MK |
377 | u32 syn_mode; |
378 | ||
8d1b5946 | 379 | dev_dbg(ccdc_cfg.dev, "\nStarting ccdc_config_ycbcr..."); |
5f15fbb6 MK |
380 | /* |
381 | * first restore the CCDC registers to default values | |
382 | * This is important since we assume default values to be set in | |
383 | * a lot of registers that we didn't touch | |
384 | */ | |
385 | ccdc_restore_defaults(); | |
386 | ||
387 | /* | |
388 | * configure pixel format, frame format, configure video frame | |
389 | * format, enable output to SDRAM, enable internal timing generator | |
390 | * and 8bit pack mode | |
391 | */ | |
392 | syn_mode = (((params->pix_fmt & CCDC_SYN_MODE_INPMOD_MASK) << | |
393 | CCDC_SYN_MODE_INPMOD_SHIFT) | | |
394 | ((params->frm_fmt & CCDC_SYN_FLDMODE_MASK) << | |
395 | CCDC_SYN_FLDMODE_SHIFT) | CCDC_VDHDEN_ENABLE | | |
396 | CCDC_WEN_ENABLE | CCDC_DATA_PACK_ENABLE); | |
397 | ||
398 | /* setup BT.656 sync mode */ | |
399 | if (params->bt656_enable) { | |
400 | regw(CCDC_REC656IF_BT656_EN, CCDC_REC656IF); | |
401 | ||
402 | /* | |
403 | * configure the FID, VD, HD pin polarity, | |
404 | * fld,hd pol positive, vd negative, 8-bit data | |
405 | */ | |
21aa300e VH |
406 | syn_mode |= CCDC_SYN_MODE_VD_POL_NEGATIVE; |
407 | if (ccdc_cfg.if_type == VPFE_BT656_10BIT) | |
408 | syn_mode |= CCDC_SYN_MODE_10BITS; | |
409 | else | |
410 | syn_mode |= CCDC_SYN_MODE_8BITS; | |
5f15fbb6 MK |
411 | } else { |
412 | /* y/c external sync mode */ | |
413 | syn_mode |= (((params->fid_pol & CCDC_FID_POL_MASK) << | |
414 | CCDC_FID_POL_SHIFT) | | |
415 | ((params->hd_pol & CCDC_HD_POL_MASK) << | |
416 | CCDC_HD_POL_SHIFT) | | |
417 | ((params->vd_pol & CCDC_VD_POL_MASK) << | |
418 | CCDC_VD_POL_SHIFT)); | |
419 | } | |
420 | regw(syn_mode, CCDC_SYN_MODE); | |
421 | ||
422 | /* configure video window */ | |
423 | ccdc_setwin(¶ms->win, params->frm_fmt, 2); | |
424 | ||
425 | /* | |
426 | * configure the order of y cb cr in SDRAM, and disable latch | |
427 | * internal register on vsync | |
428 | */ | |
21aa300e VH |
429 | if (ccdc_cfg.if_type == VPFE_BT656_10BIT) |
430 | regw((params->pix_order << CCDC_CCDCFG_Y8POS_SHIFT) | | |
431 | CCDC_LATCH_ON_VSYNC_DISABLE | CCDC_CCDCFG_BW656_10BIT, | |
432 | CCDC_CCDCFG); | |
433 | else | |
434 | regw((params->pix_order << CCDC_CCDCFG_Y8POS_SHIFT) | | |
435 | CCDC_LATCH_ON_VSYNC_DISABLE, CCDC_CCDCFG); | |
5f15fbb6 MK |
436 | |
437 | /* | |
438 | * configure the horizontal line offset. This should be a | |
25985edc | 439 | * on 32 byte boundary. So clear LSB 5 bits |
5f15fbb6 MK |
440 | */ |
441 | regw(((params->win.width * 2 + 31) & ~0x1f), CCDC_HSIZE_OFF); | |
442 | ||
443 | /* configure the memory line offset */ | |
444 | if (params->buf_type == CCDC_BUFTYPE_FLD_INTERLEAVED) | |
445 | /* two fields are interleaved in memory */ | |
446 | regw(CCDC_SDOFST_FIELD_INTERLEAVED, CCDC_SDOFST); | |
447 | ||
448 | ccdc_sbl_reset(); | |
8d1b5946 | 449 | dev_dbg(ccdc_cfg.dev, "\nEnd of ccdc_config_ycbcr...\n"); |
5f15fbb6 MK |
450 | } |
451 | ||
452 | static void ccdc_config_black_clamp(struct ccdc_black_clamp *bclamp) | |
453 | { | |
454 | u32 val; | |
455 | ||
456 | if (!bclamp->enable) { | |
457 | /* configure DCSub */ | |
458 | val = (bclamp->dc_sub) & CCDC_BLK_DC_SUB_MASK; | |
459 | regw(val, CCDC_DCSUB); | |
8d1b5946 | 460 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to DCSUB...\n", val); |
5f15fbb6 | 461 | regw(CCDC_CLAMP_DEFAULT_VAL, CCDC_CLAMP); |
8d1b5946 | 462 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x0000 to CLAMP...\n"); |
5f15fbb6 MK |
463 | return; |
464 | } | |
465 | /* | |
466 | * Configure gain, Start pixel, No of line to be avg, | |
467 | * No of pixel/line to be avg, & Enable the Black clamping | |
468 | */ | |
469 | val = ((bclamp->sgain & CCDC_BLK_SGAIN_MASK) | | |
470 | ((bclamp->start_pixel & CCDC_BLK_ST_PXL_MASK) << | |
471 | CCDC_BLK_ST_PXL_SHIFT) | | |
472 | ((bclamp->sample_ln & CCDC_BLK_SAMPLE_LINE_MASK) << | |
473 | CCDC_BLK_SAMPLE_LINE_SHIFT) | | |
474 | ((bclamp->sample_pixel & CCDC_BLK_SAMPLE_LN_MASK) << | |
475 | CCDC_BLK_SAMPLE_LN_SHIFT) | CCDC_BLK_CLAMP_ENABLE); | |
476 | regw(val, CCDC_CLAMP); | |
8d1b5946 | 477 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to CLAMP...\n", val); |
5f15fbb6 MK |
478 | /* If Black clamping is enable then make dcsub 0 */ |
479 | regw(CCDC_DCSUB_DEFAULT_VAL, CCDC_DCSUB); | |
8d1b5946 | 480 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x00000000 to DCSUB...\n"); |
5f15fbb6 MK |
481 | } |
482 | ||
483 | static void ccdc_config_black_compense(struct ccdc_black_compensation *bcomp) | |
484 | { | |
485 | u32 val; | |
486 | ||
487 | val = ((bcomp->b & CCDC_BLK_COMP_MASK) | | |
488 | ((bcomp->gb & CCDC_BLK_COMP_MASK) << | |
489 | CCDC_BLK_COMP_GB_COMP_SHIFT) | | |
490 | ((bcomp->gr & CCDC_BLK_COMP_MASK) << | |
491 | CCDC_BLK_COMP_GR_COMP_SHIFT) | | |
492 | ((bcomp->r & CCDC_BLK_COMP_MASK) << | |
493 | CCDC_BLK_COMP_R_COMP_SHIFT)); | |
494 | regw(val, CCDC_BLKCMP); | |
495 | } | |
496 | ||
497 | static void ccdc_config_fpc(struct ccdc_fault_pixel *fpc) | |
498 | { | |
499 | u32 val; | |
500 | ||
501 | /* Initially disable FPC */ | |
502 | val = CCDC_FPC_DISABLE; | |
503 | regw(val, CCDC_FPC); | |
504 | ||
505 | if (!fpc->enable) | |
506 | return; | |
507 | ||
508 | /* Configure Fault pixel if needed */ | |
509 | regw(fpc->fpc_table_addr, CCDC_FPC_ADDR); | |
8d1b5946 | 510 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC_ADDR...\n", |
5f15fbb6 MK |
511 | (fpc->fpc_table_addr)); |
512 | /* Write the FPC params with FPC disable */ | |
513 | val = fpc->fp_num & CCDC_FPC_FPC_NUM_MASK; | |
514 | regw(val, CCDC_FPC); | |
515 | ||
8d1b5946 | 516 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val); |
5f15fbb6 MK |
517 | /* read the FPC register */ |
518 | val = regr(CCDC_FPC) | CCDC_FPC_ENABLE; | |
519 | regw(val, CCDC_FPC); | |
8d1b5946 | 520 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val); |
5f15fbb6 MK |
521 | } |
522 | ||
523 | /* | |
524 | * ccdc_config_raw() | |
525 | * This function will configure CCDC for Raw capture mode | |
526 | */ | |
527 | void ccdc_config_raw(void) | |
528 | { | |
8d1b5946 | 529 | struct ccdc_params_raw *params = &ccdc_cfg.bayer; |
5f15fbb6 | 530 | struct ccdc_config_params_raw *config_params = |
8d1b5946 | 531 | &ccdc_cfg.bayer.config_params; |
5f15fbb6 MK |
532 | unsigned int syn_mode = 0; |
533 | unsigned int val; | |
534 | ||
8d1b5946 | 535 | dev_dbg(ccdc_cfg.dev, "\nStarting ccdc_config_raw..."); |
5f15fbb6 MK |
536 | |
537 | /* Reset CCDC */ | |
538 | ccdc_restore_defaults(); | |
539 | ||
540 | /* Disable latching function registers on VSYNC */ | |
541 | regw(CCDC_LATCH_ON_VSYNC_DISABLE, CCDC_CCDCFG); | |
542 | ||
543 | /* | |
544 | * Configure the vertical sync polarity(SYN_MODE.VDPOL), | |
545 | * horizontal sync polarity (SYN_MODE.HDPOL), frame id polarity | |
546 | * (SYN_MODE.FLDPOL), frame format(progressive or interlace), | |
547 | * data size(SYNMODE.DATSIZ), &pixel format (Input mode), output | |
548 | * SDRAM, enable internal timing generator | |
549 | */ | |
550 | syn_mode = | |
551 | (((params->vd_pol & CCDC_VD_POL_MASK) << CCDC_VD_POL_SHIFT) | | |
552 | ((params->hd_pol & CCDC_HD_POL_MASK) << CCDC_HD_POL_SHIFT) | | |
553 | ((params->fid_pol & CCDC_FID_POL_MASK) << CCDC_FID_POL_SHIFT) | | |
554 | ((params->frm_fmt & CCDC_FRM_FMT_MASK) << CCDC_FRM_FMT_SHIFT) | | |
555 | ((config_params->data_sz & CCDC_DATA_SZ_MASK) << | |
556 | CCDC_DATA_SZ_SHIFT) | | |
557 | ((params->pix_fmt & CCDC_PIX_FMT_MASK) << CCDC_PIX_FMT_SHIFT) | | |
558 | CCDC_WEN_ENABLE | CCDC_VDHDEN_ENABLE); | |
559 | ||
560 | /* Enable and configure aLaw register if needed */ | |
561 | if (config_params->alaw.enable) { | |
562 | val = ((config_params->alaw.gama_wd & | |
563 | CCDC_ALAW_GAMA_WD_MASK) | CCDC_ALAW_ENABLE); | |
564 | regw(val, CCDC_ALAW); | |
8d1b5946 | 565 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to ALAW...\n", val); |
5f15fbb6 MK |
566 | } |
567 | ||
568 | /* Configure video window */ | |
569 | ccdc_setwin(¶ms->win, params->frm_fmt, CCDC_PPC_RAW); | |
570 | ||
571 | /* Configure Black Clamp */ | |
572 | ccdc_config_black_clamp(&config_params->blk_clamp); | |
573 | ||
574 | /* Configure Black level compensation */ | |
575 | ccdc_config_black_compense(&config_params->blk_comp); | |
576 | ||
577 | /* Configure Fault Pixel Correction */ | |
578 | ccdc_config_fpc(&config_params->fault_pxl); | |
579 | ||
580 | /* If data size is 8 bit then pack the data */ | |
581 | if ((config_params->data_sz == CCDC_DATA_8BITS) || | |
582 | config_params->alaw.enable) | |
583 | syn_mode |= CCDC_DATA_PACK_ENABLE; | |
584 | ||
585 | #ifdef CONFIG_DM644X_VIDEO_PORT_ENABLE | |
586 | /* enable video port */ | |
587 | val = CCDC_ENABLE_VIDEO_PORT; | |
588 | #else | |
589 | /* disable video port */ | |
590 | val = CCDC_DISABLE_VIDEO_PORT; | |
591 | #endif | |
592 | ||
593 | if (config_params->data_sz == CCDC_DATA_8BITS) | |
594 | val |= (CCDC_DATA_10BITS & CCDC_FMTCFG_VPIN_MASK) | |
595 | << CCDC_FMTCFG_VPIN_SHIFT; | |
596 | else | |
597 | val |= (config_params->data_sz & CCDC_FMTCFG_VPIN_MASK) | |
598 | << CCDC_FMTCFG_VPIN_SHIFT; | |
599 | /* Write value in FMTCFG */ | |
600 | regw(val, CCDC_FMTCFG); | |
601 | ||
8d1b5946 | 602 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FMTCFG...\n", val); |
5f15fbb6 MK |
603 | /* Configure the color pattern according to mt9t001 sensor */ |
604 | regw(CCDC_COLPTN_VAL, CCDC_COLPTN); | |
605 | ||
8d1b5946 | 606 | dev_dbg(ccdc_cfg.dev, "\nWriting 0xBB11BB11 to COLPTN...\n"); |
5f15fbb6 MK |
607 | /* |
608 | * Configure Data formatter(Video port) pixel selection | |
609 | * (FMT_HORZ, FMT_VERT) | |
610 | */ | |
611 | val = ((params->win.left & CCDC_FMT_HORZ_FMTSPH_MASK) << | |
612 | CCDC_FMT_HORZ_FMTSPH_SHIFT) | | |
613 | (params->win.width & CCDC_FMT_HORZ_FMTLNH_MASK); | |
614 | regw(val, CCDC_FMT_HORZ); | |
615 | ||
8d1b5946 | 616 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FMT_HORZ...\n", val); |
5f15fbb6 MK |
617 | val = (params->win.top & CCDC_FMT_VERT_FMTSLV_MASK) |
618 | << CCDC_FMT_VERT_FMTSLV_SHIFT; | |
619 | if (params->frm_fmt == CCDC_FRMFMT_PROGRESSIVE) | |
620 | val |= (params->win.height) & CCDC_FMT_VERT_FMTLNV_MASK; | |
621 | else | |
622 | val |= (params->win.height >> 1) & CCDC_FMT_VERT_FMTLNV_MASK; | |
623 | ||
8d1b5946 | 624 | dev_dbg(ccdc_cfg.dev, "\nparams->win.height 0x%x ...\n", |
5f15fbb6 MK |
625 | params->win.height); |
626 | regw(val, CCDC_FMT_VERT); | |
627 | ||
8d1b5946 | 628 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FMT_VERT...\n", val); |
5f15fbb6 | 629 | |
8d1b5946 | 630 | dev_dbg(ccdc_cfg.dev, "\nbelow regw(val, FMT_VERT)..."); |
5f15fbb6 MK |
631 | |
632 | /* | |
633 | * Configure Horizontal offset register. If pack 8 is enabled then | |
634 | * 1 pixel will take 1 byte | |
635 | */ | |
636 | if ((config_params->data_sz == CCDC_DATA_8BITS) || | |
637 | config_params->alaw.enable) | |
638 | regw((params->win.width + CCDC_32BYTE_ALIGN_VAL) & | |
639 | CCDC_HSIZE_OFF_MASK, CCDC_HSIZE_OFF); | |
640 | else | |
641 | /* else one pixel will take 2 byte */ | |
642 | regw(((params->win.width * CCDC_TWO_BYTES_PER_PIXEL) + | |
643 | CCDC_32BYTE_ALIGN_VAL) & CCDC_HSIZE_OFF_MASK, | |
644 | CCDC_HSIZE_OFF); | |
645 | ||
646 | /* Set value for SDOFST */ | |
647 | if (params->frm_fmt == CCDC_FRMFMT_INTERLACED) { | |
648 | if (params->image_invert_enable) { | |
649 | /* For intelace inverse mode */ | |
650 | regw(CCDC_INTERLACED_IMAGE_INVERT, CCDC_SDOFST); | |
8d1b5946 | 651 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x4B6D to SDOFST..\n"); |
5f15fbb6 MK |
652 | } |
653 | ||
654 | else { | |
655 | /* For intelace non inverse mode */ | |
656 | regw(CCDC_INTERLACED_NO_IMAGE_INVERT, CCDC_SDOFST); | |
8d1b5946 | 657 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x0249 to SDOFST..\n"); |
5f15fbb6 MK |
658 | } |
659 | } else if (params->frm_fmt == CCDC_FRMFMT_PROGRESSIVE) { | |
660 | regw(CCDC_PROGRESSIVE_NO_IMAGE_INVERT, CCDC_SDOFST); | |
8d1b5946 | 661 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x0000 to SDOFST...\n"); |
5f15fbb6 MK |
662 | } |
663 | ||
664 | /* | |
665 | * Configure video port pixel selection (VPOUT) | |
666 | * Here -1 is to make the height value less than FMT_VERT.FMTLNV | |
667 | */ | |
668 | if (params->frm_fmt == CCDC_FRMFMT_PROGRESSIVE) | |
669 | val = (((params->win.height - 1) & CCDC_VP_OUT_VERT_NUM_MASK)) | |
670 | << CCDC_VP_OUT_VERT_NUM_SHIFT; | |
671 | else | |
672 | val = | |
673 | ((((params->win.height >> CCDC_INTERLACED_HEIGHT_SHIFT) - | |
674 | 1) & CCDC_VP_OUT_VERT_NUM_MASK)) << | |
675 | CCDC_VP_OUT_VERT_NUM_SHIFT; | |
676 | ||
677 | val |= ((((params->win.width))) & CCDC_VP_OUT_HORZ_NUM_MASK) | |
678 | << CCDC_VP_OUT_HORZ_NUM_SHIFT; | |
679 | val |= (params->win.left) & CCDC_VP_OUT_HORZ_ST_MASK; | |
680 | regw(val, CCDC_VP_OUT); | |
681 | ||
8d1b5946 | 682 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to VP_OUT...\n", val); |
5f15fbb6 | 683 | regw(syn_mode, CCDC_SYN_MODE); |
8d1b5946 | 684 | dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to SYN_MODE...\n", syn_mode); |
5f15fbb6 MK |
685 | |
686 | ccdc_sbl_reset(); | |
8d1b5946 | 687 | dev_dbg(ccdc_cfg.dev, "\nend of ccdc_config_raw..."); |
5f15fbb6 MK |
688 | ccdc_readregs(); |
689 | } | |
690 | ||
691 | static int ccdc_configure(void) | |
692 | { | |
8d1b5946 | 693 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
5f15fbb6 MK |
694 | ccdc_config_raw(); |
695 | else | |
696 | ccdc_config_ycbcr(); | |
697 | return 0; | |
698 | } | |
699 | ||
700 | static int ccdc_set_buftype(enum ccdc_buftype buf_type) | |
701 | { | |
8d1b5946 MK |
702 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
703 | ccdc_cfg.bayer.buf_type = buf_type; | |
5f15fbb6 | 704 | else |
8d1b5946 | 705 | ccdc_cfg.ycbcr.buf_type = buf_type; |
5f15fbb6 MK |
706 | return 0; |
707 | } | |
708 | ||
709 | static enum ccdc_buftype ccdc_get_buftype(void) | |
710 | { | |
8d1b5946 MK |
711 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
712 | return ccdc_cfg.bayer.buf_type; | |
713 | return ccdc_cfg.ycbcr.buf_type; | |
5f15fbb6 MK |
714 | } |
715 | ||
716 | static int ccdc_enum_pix(u32 *pix, int i) | |
717 | { | |
718 | int ret = -EINVAL; | |
8d1b5946 | 719 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) { |
5f15fbb6 MK |
720 | if (i < ARRAY_SIZE(ccdc_raw_bayer_pix_formats)) { |
721 | *pix = ccdc_raw_bayer_pix_formats[i]; | |
722 | ret = 0; | |
723 | } | |
724 | } else { | |
725 | if (i < ARRAY_SIZE(ccdc_raw_yuv_pix_formats)) { | |
726 | *pix = ccdc_raw_yuv_pix_formats[i]; | |
727 | ret = 0; | |
728 | } | |
729 | } | |
730 | return ret; | |
731 | } | |
732 | ||
733 | static int ccdc_set_pixel_format(u32 pixfmt) | |
734 | { | |
8d1b5946 MK |
735 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) { |
736 | ccdc_cfg.bayer.pix_fmt = CCDC_PIXFMT_RAW; | |
5f15fbb6 | 737 | if (pixfmt == V4L2_PIX_FMT_SBGGR8) |
8d1b5946 | 738 | ccdc_cfg.bayer.config_params.alaw.enable = 1; |
5f15fbb6 MK |
739 | else if (pixfmt != V4L2_PIX_FMT_SBGGR16) |
740 | return -EINVAL; | |
741 | } else { | |
742 | if (pixfmt == V4L2_PIX_FMT_YUYV) | |
8d1b5946 | 743 | ccdc_cfg.ycbcr.pix_order = CCDC_PIXORDER_YCBYCR; |
5f15fbb6 | 744 | else if (pixfmt == V4L2_PIX_FMT_UYVY) |
8d1b5946 | 745 | ccdc_cfg.ycbcr.pix_order = CCDC_PIXORDER_CBYCRY; |
5f15fbb6 MK |
746 | else |
747 | return -EINVAL; | |
748 | } | |
749 | return 0; | |
750 | } | |
751 | ||
752 | static u32 ccdc_get_pixel_format(void) | |
753 | { | |
8d1b5946 | 754 | struct ccdc_a_law *alaw = &ccdc_cfg.bayer.config_params.alaw; |
5f15fbb6 MK |
755 | u32 pixfmt; |
756 | ||
8d1b5946 | 757 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
5f15fbb6 MK |
758 | if (alaw->enable) |
759 | pixfmt = V4L2_PIX_FMT_SBGGR8; | |
760 | else | |
761 | pixfmt = V4L2_PIX_FMT_SBGGR16; | |
762 | else { | |
8d1b5946 | 763 | if (ccdc_cfg.ycbcr.pix_order == CCDC_PIXORDER_YCBYCR) |
5f15fbb6 MK |
764 | pixfmt = V4L2_PIX_FMT_YUYV; |
765 | else | |
766 | pixfmt = V4L2_PIX_FMT_UYVY; | |
767 | } | |
768 | return pixfmt; | |
769 | } | |
770 | ||
771 | static int ccdc_set_image_window(struct v4l2_rect *win) | |
772 | { | |
8d1b5946 MK |
773 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
774 | ccdc_cfg.bayer.win = *win; | |
5f15fbb6 | 775 | else |
8d1b5946 | 776 | ccdc_cfg.ycbcr.win = *win; |
5f15fbb6 MK |
777 | return 0; |
778 | } | |
779 | ||
780 | static void ccdc_get_image_window(struct v4l2_rect *win) | |
781 | { | |
8d1b5946 MK |
782 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
783 | *win = ccdc_cfg.bayer.win; | |
5f15fbb6 | 784 | else |
8d1b5946 | 785 | *win = ccdc_cfg.ycbcr.win; |
5f15fbb6 MK |
786 | } |
787 | ||
788 | static unsigned int ccdc_get_line_length(void) | |
789 | { | |
790 | struct ccdc_config_params_raw *config_params = | |
8d1b5946 | 791 | &ccdc_cfg.bayer.config_params; |
5f15fbb6 MK |
792 | unsigned int len; |
793 | ||
8d1b5946 | 794 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) { |
5f15fbb6 MK |
795 | if ((config_params->alaw.enable) || |
796 | (config_params->data_sz == CCDC_DATA_8BITS)) | |
8d1b5946 | 797 | len = ccdc_cfg.bayer.win.width; |
5f15fbb6 | 798 | else |
8d1b5946 | 799 | len = ccdc_cfg.bayer.win.width * 2; |
5f15fbb6 | 800 | } else |
8d1b5946 | 801 | len = ccdc_cfg.ycbcr.win.width * 2; |
5f15fbb6 MK |
802 | return ALIGN(len, 32); |
803 | } | |
804 | ||
805 | static int ccdc_set_frame_format(enum ccdc_frmfmt frm_fmt) | |
806 | { | |
8d1b5946 MK |
807 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
808 | ccdc_cfg.bayer.frm_fmt = frm_fmt; | |
5f15fbb6 | 809 | else |
8d1b5946 | 810 | ccdc_cfg.ycbcr.frm_fmt = frm_fmt; |
5f15fbb6 MK |
811 | return 0; |
812 | } | |
813 | ||
814 | static enum ccdc_frmfmt ccdc_get_frame_format(void) | |
815 | { | |
8d1b5946 MK |
816 | if (ccdc_cfg.if_type == VPFE_RAW_BAYER) |
817 | return ccdc_cfg.bayer.frm_fmt; | |
5f15fbb6 | 818 | else |
8d1b5946 | 819 | return ccdc_cfg.ycbcr.frm_fmt; |
5f15fbb6 MK |
820 | } |
821 | ||
822 | static int ccdc_getfid(void) | |
823 | { | |
824 | return (regr(CCDC_SYN_MODE) >> 15) & 1; | |
825 | } | |
826 | ||
827 | /* misc operations */ | |
828 | static inline void ccdc_setfbaddr(unsigned long addr) | |
829 | { | |
830 | regw(addr & 0xffffffe0, CCDC_SDR_ADDR); | |
831 | } | |
832 | ||
833 | static int ccdc_set_hw_if_params(struct vpfe_hw_if_param *params) | |
834 | { | |
8d1b5946 | 835 | ccdc_cfg.if_type = params->if_type; |
5f15fbb6 MK |
836 | |
837 | switch (params->if_type) { | |
838 | case VPFE_BT656: | |
839 | case VPFE_YCBCR_SYNC_16: | |
840 | case VPFE_YCBCR_SYNC_8: | |
21aa300e | 841 | case VPFE_BT656_10BIT: |
8d1b5946 MK |
842 | ccdc_cfg.ycbcr.vd_pol = params->vdpol; |
843 | ccdc_cfg.ycbcr.hd_pol = params->hdpol; | |
5f15fbb6 MK |
844 | break; |
845 | default: | |
846 | /* TODO add support for raw bayer here */ | |
847 | return -EINVAL; | |
848 | } | |
849 | return 0; | |
850 | } | |
851 | ||
e333bab7 VH |
852 | static void ccdc_save_context(void) |
853 | { | |
854 | ccdc_ctx[CCDC_PCR >> 2] = regr(CCDC_PCR); | |
855 | ccdc_ctx[CCDC_SYN_MODE >> 2] = regr(CCDC_SYN_MODE); | |
856 | ccdc_ctx[CCDC_HD_VD_WID >> 2] = regr(CCDC_HD_VD_WID); | |
857 | ccdc_ctx[CCDC_PIX_LINES >> 2] = regr(CCDC_PIX_LINES); | |
858 | ccdc_ctx[CCDC_HORZ_INFO >> 2] = regr(CCDC_HORZ_INFO); | |
859 | ccdc_ctx[CCDC_VERT_START >> 2] = regr(CCDC_VERT_START); | |
860 | ccdc_ctx[CCDC_VERT_LINES >> 2] = regr(CCDC_VERT_LINES); | |
861 | ccdc_ctx[CCDC_CULLING >> 2] = regr(CCDC_CULLING); | |
862 | ccdc_ctx[CCDC_HSIZE_OFF >> 2] = regr(CCDC_HSIZE_OFF); | |
863 | ccdc_ctx[CCDC_SDOFST >> 2] = regr(CCDC_SDOFST); | |
864 | ccdc_ctx[CCDC_SDR_ADDR >> 2] = regr(CCDC_SDR_ADDR); | |
865 | ccdc_ctx[CCDC_CLAMP >> 2] = regr(CCDC_CLAMP); | |
866 | ccdc_ctx[CCDC_DCSUB >> 2] = regr(CCDC_DCSUB); | |
867 | ccdc_ctx[CCDC_COLPTN >> 2] = regr(CCDC_COLPTN); | |
868 | ccdc_ctx[CCDC_BLKCMP >> 2] = regr(CCDC_BLKCMP); | |
869 | ccdc_ctx[CCDC_FPC >> 2] = regr(CCDC_FPC); | |
870 | ccdc_ctx[CCDC_FPC_ADDR >> 2] = regr(CCDC_FPC_ADDR); | |
871 | ccdc_ctx[CCDC_VDINT >> 2] = regr(CCDC_VDINT); | |
872 | ccdc_ctx[CCDC_ALAW >> 2] = regr(CCDC_ALAW); | |
873 | ccdc_ctx[CCDC_REC656IF >> 2] = regr(CCDC_REC656IF); | |
874 | ccdc_ctx[CCDC_CCDCFG >> 2] = regr(CCDC_CCDCFG); | |
875 | ccdc_ctx[CCDC_FMTCFG >> 2] = regr(CCDC_FMTCFG); | |
876 | ccdc_ctx[CCDC_FMT_HORZ >> 2] = regr(CCDC_FMT_HORZ); | |
877 | ccdc_ctx[CCDC_FMT_VERT >> 2] = regr(CCDC_FMT_VERT); | |
878 | ccdc_ctx[CCDC_FMT_ADDR0 >> 2] = regr(CCDC_FMT_ADDR0); | |
879 | ccdc_ctx[CCDC_FMT_ADDR1 >> 2] = regr(CCDC_FMT_ADDR1); | |
880 | ccdc_ctx[CCDC_FMT_ADDR2 >> 2] = regr(CCDC_FMT_ADDR2); | |
881 | ccdc_ctx[CCDC_FMT_ADDR3 >> 2] = regr(CCDC_FMT_ADDR3); | |
882 | ccdc_ctx[CCDC_FMT_ADDR4 >> 2] = regr(CCDC_FMT_ADDR4); | |
883 | ccdc_ctx[CCDC_FMT_ADDR5 >> 2] = regr(CCDC_FMT_ADDR5); | |
884 | ccdc_ctx[CCDC_FMT_ADDR6 >> 2] = regr(CCDC_FMT_ADDR6); | |
885 | ccdc_ctx[CCDC_FMT_ADDR7 >> 2] = regr(CCDC_FMT_ADDR7); | |
886 | ccdc_ctx[CCDC_PRGEVEN_0 >> 2] = regr(CCDC_PRGEVEN_0); | |
887 | ccdc_ctx[CCDC_PRGEVEN_1 >> 2] = regr(CCDC_PRGEVEN_1); | |
888 | ccdc_ctx[CCDC_PRGODD_0 >> 2] = regr(CCDC_PRGODD_0); | |
889 | ccdc_ctx[CCDC_PRGODD_1 >> 2] = regr(CCDC_PRGODD_1); | |
890 | ccdc_ctx[CCDC_VP_OUT >> 2] = regr(CCDC_VP_OUT); | |
891 | } | |
892 | ||
893 | static void ccdc_restore_context(void) | |
894 | { | |
895 | regw(ccdc_ctx[CCDC_SYN_MODE >> 2], CCDC_SYN_MODE); | |
896 | regw(ccdc_ctx[CCDC_HD_VD_WID >> 2], CCDC_HD_VD_WID); | |
897 | regw(ccdc_ctx[CCDC_PIX_LINES >> 2], CCDC_PIX_LINES); | |
898 | regw(ccdc_ctx[CCDC_HORZ_INFO >> 2], CCDC_HORZ_INFO); | |
899 | regw(ccdc_ctx[CCDC_VERT_START >> 2], CCDC_VERT_START); | |
900 | regw(ccdc_ctx[CCDC_VERT_LINES >> 2], CCDC_VERT_LINES); | |
901 | regw(ccdc_ctx[CCDC_CULLING >> 2], CCDC_CULLING); | |
902 | regw(ccdc_ctx[CCDC_HSIZE_OFF >> 2], CCDC_HSIZE_OFF); | |
903 | regw(ccdc_ctx[CCDC_SDOFST >> 2], CCDC_SDOFST); | |
904 | regw(ccdc_ctx[CCDC_SDR_ADDR >> 2], CCDC_SDR_ADDR); | |
905 | regw(ccdc_ctx[CCDC_CLAMP >> 2], CCDC_CLAMP); | |
906 | regw(ccdc_ctx[CCDC_DCSUB >> 2], CCDC_DCSUB); | |
907 | regw(ccdc_ctx[CCDC_COLPTN >> 2], CCDC_COLPTN); | |
908 | regw(ccdc_ctx[CCDC_BLKCMP >> 2], CCDC_BLKCMP); | |
909 | regw(ccdc_ctx[CCDC_FPC >> 2], CCDC_FPC); | |
910 | regw(ccdc_ctx[CCDC_FPC_ADDR >> 2], CCDC_FPC_ADDR); | |
911 | regw(ccdc_ctx[CCDC_VDINT >> 2], CCDC_VDINT); | |
912 | regw(ccdc_ctx[CCDC_ALAW >> 2], CCDC_ALAW); | |
913 | regw(ccdc_ctx[CCDC_REC656IF >> 2], CCDC_REC656IF); | |
914 | regw(ccdc_ctx[CCDC_CCDCFG >> 2], CCDC_CCDCFG); | |
915 | regw(ccdc_ctx[CCDC_FMTCFG >> 2], CCDC_FMTCFG); | |
916 | regw(ccdc_ctx[CCDC_FMT_HORZ >> 2], CCDC_FMT_HORZ); | |
917 | regw(ccdc_ctx[CCDC_FMT_VERT >> 2], CCDC_FMT_VERT); | |
918 | regw(ccdc_ctx[CCDC_FMT_ADDR0 >> 2], CCDC_FMT_ADDR0); | |
919 | regw(ccdc_ctx[CCDC_FMT_ADDR1 >> 2], CCDC_FMT_ADDR1); | |
920 | regw(ccdc_ctx[CCDC_FMT_ADDR2 >> 2], CCDC_FMT_ADDR2); | |
921 | regw(ccdc_ctx[CCDC_FMT_ADDR3 >> 2], CCDC_FMT_ADDR3); | |
922 | regw(ccdc_ctx[CCDC_FMT_ADDR4 >> 2], CCDC_FMT_ADDR4); | |
923 | regw(ccdc_ctx[CCDC_FMT_ADDR5 >> 2], CCDC_FMT_ADDR5); | |
924 | regw(ccdc_ctx[CCDC_FMT_ADDR6 >> 2], CCDC_FMT_ADDR6); | |
925 | regw(ccdc_ctx[CCDC_FMT_ADDR7 >> 2], CCDC_FMT_ADDR7); | |
926 | regw(ccdc_ctx[CCDC_PRGEVEN_0 >> 2], CCDC_PRGEVEN_0); | |
927 | regw(ccdc_ctx[CCDC_PRGEVEN_1 >> 2], CCDC_PRGEVEN_1); | |
928 | regw(ccdc_ctx[CCDC_PRGODD_0 >> 2], CCDC_PRGODD_0); | |
929 | regw(ccdc_ctx[CCDC_PRGODD_1 >> 2], CCDC_PRGODD_1); | |
930 | regw(ccdc_ctx[CCDC_VP_OUT >> 2], CCDC_VP_OUT); | |
931 | regw(ccdc_ctx[CCDC_PCR >> 2], CCDC_PCR); | |
932 | } | |
5f15fbb6 MK |
933 | static struct ccdc_hw_device ccdc_hw_dev = { |
934 | .name = "DM6446 CCDC", | |
935 | .owner = THIS_MODULE, | |
936 | .hw_ops = { | |
937 | .open = ccdc_open, | |
938 | .close = ccdc_close, | |
5f15fbb6 MK |
939 | .reset = ccdc_sbl_reset, |
940 | .enable = ccdc_enable, | |
941 | .set_hw_if_params = ccdc_set_hw_if_params, | |
942 | .set_params = ccdc_set_params, | |
943 | .configure = ccdc_configure, | |
944 | .set_buftype = ccdc_set_buftype, | |
945 | .get_buftype = ccdc_get_buftype, | |
946 | .enum_pix = ccdc_enum_pix, | |
947 | .set_pixel_format = ccdc_set_pixel_format, | |
948 | .get_pixel_format = ccdc_get_pixel_format, | |
949 | .set_frame_format = ccdc_set_frame_format, | |
950 | .get_frame_format = ccdc_get_frame_format, | |
951 | .set_image_window = ccdc_set_image_window, | |
952 | .get_image_window = ccdc_get_image_window, | |
953 | .get_line_length = ccdc_get_line_length, | |
954 | .setfbaddr = ccdc_setfbaddr, | |
955 | .getfid = ccdc_getfid, | |
956 | }, | |
957 | }; | |
958 | ||
8d1b5946 | 959 | static int __init dm644x_ccdc_probe(struct platform_device *pdev) |
5f15fbb6 | 960 | { |
8d1b5946 MK |
961 | struct resource *res; |
962 | int status = 0; | |
963 | ||
964 | /* | |
965 | * first try to register with vpfe. If not correct platform, then we | |
966 | * don't have to iomap | |
967 | */ | |
968 | status = vpfe_register_ccdc_device(&ccdc_hw_dev); | |
969 | if (status < 0) | |
970 | return status; | |
971 | ||
972 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
973 | if (!res) { | |
974 | status = -ENODEV; | |
975 | goto fail_nores; | |
976 | } | |
977 | ||
978 | res = request_mem_region(res->start, resource_size(res), res->name); | |
979 | if (!res) { | |
980 | status = -EBUSY; | |
981 | goto fail_nores; | |
982 | } | |
983 | ||
984 | ccdc_cfg.base_addr = ioremap_nocache(res->start, resource_size(res)); | |
985 | if (!ccdc_cfg.base_addr) { | |
986 | status = -ENOMEM; | |
987 | goto fail_nomem; | |
988 | } | |
989 | ||
990 | /* Get and enable Master clock */ | |
991 | ccdc_cfg.mclk = clk_get(&pdev->dev, "master"); | |
992 | if (IS_ERR(ccdc_cfg.mclk)) { | |
993 | status = PTR_ERR(ccdc_cfg.mclk); | |
994 | goto fail_nomap; | |
995 | } | |
996 | if (clk_enable(ccdc_cfg.mclk)) { | |
997 | status = -ENODEV; | |
998 | goto fail_mclk; | |
999 | } | |
1000 | ||
1001 | /* Get and enable Slave clock */ | |
1002 | ccdc_cfg.sclk = clk_get(&pdev->dev, "slave"); | |
1003 | if (IS_ERR(ccdc_cfg.sclk)) { | |
1004 | status = PTR_ERR(ccdc_cfg.sclk); | |
1005 | goto fail_mclk; | |
1006 | } | |
1007 | if (clk_enable(ccdc_cfg.sclk)) { | |
1008 | status = -ENODEV; | |
1009 | goto fail_sclk; | |
1010 | } | |
1011 | ccdc_cfg.dev = &pdev->dev; | |
1012 | printk(KERN_NOTICE "%s is registered with vpfe.\n", ccdc_hw_dev.name); | |
5f15fbb6 | 1013 | return 0; |
8d1b5946 MK |
1014 | fail_sclk: |
1015 | clk_put(ccdc_cfg.sclk); | |
1016 | fail_mclk: | |
1017 | clk_put(ccdc_cfg.mclk); | |
1018 | fail_nomap: | |
1019 | iounmap(ccdc_cfg.base_addr); | |
1020 | fail_nomem: | |
1021 | release_mem_region(res->start, resource_size(res)); | |
1022 | fail_nores: | |
1023 | vpfe_unregister_ccdc_device(&ccdc_hw_dev); | |
1024 | return status; | |
5f15fbb6 MK |
1025 | } |
1026 | ||
8d1b5946 | 1027 | static int dm644x_ccdc_remove(struct platform_device *pdev) |
5f15fbb6 | 1028 | { |
8d1b5946 MK |
1029 | struct resource *res; |
1030 | ||
1031 | clk_put(ccdc_cfg.mclk); | |
1032 | clk_put(ccdc_cfg.sclk); | |
1033 | iounmap(ccdc_cfg.base_addr); | |
1034 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
1035 | if (res) | |
1036 | release_mem_region(res->start, resource_size(res)); | |
5f15fbb6 | 1037 | vpfe_unregister_ccdc_device(&ccdc_hw_dev); |
8d1b5946 MK |
1038 | return 0; |
1039 | } | |
1040 | ||
e333bab7 VH |
1041 | static int dm644x_ccdc_suspend(struct device *dev) |
1042 | { | |
1043 | /* Save CCDC context */ | |
1044 | ccdc_save_context(); | |
1045 | /* Disable CCDC */ | |
1046 | ccdc_enable(0); | |
1047 | /* Disable both master and slave clock */ | |
1048 | clk_disable(ccdc_cfg.mclk); | |
1049 | clk_disable(ccdc_cfg.sclk); | |
1050 | ||
1051 | return 0; | |
1052 | } | |
1053 | ||
1054 | static int dm644x_ccdc_resume(struct device *dev) | |
1055 | { | |
1056 | /* Enable both master and slave clock */ | |
1057 | clk_enable(ccdc_cfg.mclk); | |
1058 | clk_enable(ccdc_cfg.sclk); | |
1059 | /* Restore CCDC context */ | |
1060 | ccdc_restore_context(); | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | static const struct dev_pm_ops dm644x_ccdc_pm_ops = { | |
1066 | .suspend = dm644x_ccdc_suspend, | |
1067 | .resume = dm644x_ccdc_resume, | |
1068 | }; | |
1069 | ||
8d1b5946 MK |
1070 | static struct platform_driver dm644x_ccdc_driver = { |
1071 | .driver = { | |
1072 | .name = "dm644x_ccdc", | |
1073 | .owner = THIS_MODULE, | |
e333bab7 | 1074 | .pm = &dm644x_ccdc_pm_ops, |
8d1b5946 MK |
1075 | }, |
1076 | .remove = __devexit_p(dm644x_ccdc_remove), | |
1077 | .probe = dm644x_ccdc_probe, | |
1078 | }; | |
1079 | ||
1080 | static int __init dm644x_ccdc_init(void) | |
1081 | { | |
1082 | return platform_driver_register(&dm644x_ccdc_driver); | |
1083 | } | |
1084 | ||
1085 | static void __exit dm644x_ccdc_exit(void) | |
1086 | { | |
1087 | platform_driver_unregister(&dm644x_ccdc_driver); | |
5f15fbb6 MK |
1088 | } |
1089 | ||
1090 | module_init(dm644x_ccdc_init); | |
1091 | module_exit(dm644x_ccdc_exit); |