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54450f59 HV |
1 | /* |
2 | * adv7604 - Analog Devices ADV7604 video decoder driver | |
3 | * | |
4 | * Copyright 2012 Cisco Systems, Inc. and/or its affiliates. All rights reserved. | |
5 | * | |
6 | * This program is free software; you may redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; version 2 of the License. | |
9 | * | |
10 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
11 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
12 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
13 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
14 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
15 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
16 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
17 | * SOFTWARE. | |
18 | * | |
19 | */ | |
20 | ||
21 | /* | |
22 | * References (c = chapter, p = page): | |
23 | * REF_01 - Analog devices, ADV7604, Register Settings Recommendations, | |
24 | * Revision 2.5, June 2010 | |
25 | * REF_02 - Analog devices, Register map documentation, Documentation of | |
26 | * the register maps, Software manual, Rev. F, June 2010 | |
27 | * REF_03 - Analog devices, ADV7604, Hardware Manual, Rev. F, August 2010 | |
28 | */ | |
29 | ||
c72a53ce | 30 | #include <linux/delay.h> |
e9d50e9e | 31 | #include <linux/gpio/consumer.h> |
516613c1 | 32 | #include <linux/hdmi.h> |
c72a53ce | 33 | #include <linux/i2c.h> |
54450f59 HV |
34 | #include <linux/kernel.h> |
35 | #include <linux/module.h> | |
36 | #include <linux/slab.h> | |
c72a53ce | 37 | #include <linux/v4l2-dv-timings.h> |
54450f59 HV |
38 | #include <linux/videodev2.h> |
39 | #include <linux/workqueue.h> | |
f862f57d | 40 | #include <linux/regmap.h> |
c72a53ce | 41 | |
b5dcee22 | 42 | #include <media/i2c/adv7604.h> |
41a52373 | 43 | #include <media/cec.h> |
54450f59 | 44 | #include <media/v4l2-ctrls.h> |
c72a53ce | 45 | #include <media/v4l2-device.h> |
0975626d | 46 | #include <media/v4l2-event.h> |
25764158 | 47 | #include <media/v4l2-dv-timings.h> |
6fa88045 | 48 | #include <media/v4l2-of.h> |
54450f59 HV |
49 | |
50 | static int debug; | |
51 | module_param(debug, int, 0644); | |
52 | MODULE_PARM_DESC(debug, "debug level (0-2)"); | |
53 | ||
54 | MODULE_DESCRIPTION("Analog Devices ADV7604 video decoder driver"); | |
55 | MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>"); | |
56 | MODULE_AUTHOR("Mats Randgaard <mats.randgaard@cisco.com>"); | |
57 | MODULE_LICENSE("GPL"); | |
58 | ||
59 | /* ADV7604 system clock frequency */ | |
b44b2e06 | 60 | #define ADV76XX_FSC (28636360) |
54450f59 | 61 | |
b44b2e06 | 62 | #define ADV76XX_RGB_OUT (1 << 1) |
539b33b0 | 63 | |
b44b2e06 | 64 | #define ADV76XX_OP_FORMAT_SEL_8BIT (0 << 0) |
539b33b0 | 65 | #define ADV7604_OP_FORMAT_SEL_10BIT (1 << 0) |
b44b2e06 | 66 | #define ADV76XX_OP_FORMAT_SEL_12BIT (2 << 0) |
539b33b0 | 67 | |
b44b2e06 | 68 | #define ADV76XX_OP_MODE_SEL_SDR_422 (0 << 5) |
539b33b0 | 69 | #define ADV7604_OP_MODE_SEL_DDR_422 (1 << 5) |
b44b2e06 | 70 | #define ADV76XX_OP_MODE_SEL_SDR_444 (2 << 5) |
539b33b0 | 71 | #define ADV7604_OP_MODE_SEL_DDR_444 (3 << 5) |
b44b2e06 | 72 | #define ADV76XX_OP_MODE_SEL_SDR_422_2X (4 << 5) |
539b33b0 LP |
73 | #define ADV7604_OP_MODE_SEL_ADI_CM (5 << 5) |
74 | ||
b44b2e06 PA |
75 | #define ADV76XX_OP_CH_SEL_GBR (0 << 5) |
76 | #define ADV76XX_OP_CH_SEL_GRB (1 << 5) | |
77 | #define ADV76XX_OP_CH_SEL_BGR (2 << 5) | |
78 | #define ADV76XX_OP_CH_SEL_RGB (3 << 5) | |
79 | #define ADV76XX_OP_CH_SEL_BRG (4 << 5) | |
80 | #define ADV76XX_OP_CH_SEL_RBG (5 << 5) | |
539b33b0 | 81 | |
b44b2e06 | 82 | #define ADV76XX_OP_SWAP_CB_CR (1 << 0) |
539b33b0 | 83 | |
41a52373 HV |
84 | #define ADV76XX_MAX_ADDRS (3) |
85 | ||
b44b2e06 | 86 | enum adv76xx_type { |
d42010a1 LPC |
87 | ADV7604, |
88 | ADV7611, | |
8331d30b | 89 | ADV7612, |
d42010a1 LPC |
90 | }; |
91 | ||
b44b2e06 | 92 | struct adv76xx_reg_seq { |
d42010a1 LPC |
93 | unsigned int reg; |
94 | u8 val; | |
95 | }; | |
96 | ||
b44b2e06 | 97 | struct adv76xx_format_info { |
f5fe58fd | 98 | u32 code; |
539b33b0 LP |
99 | u8 op_ch_sel; |
100 | bool rgb_out; | |
101 | bool swap_cb_cr; | |
102 | u8 op_format_sel; | |
103 | }; | |
104 | ||
516613c1 HV |
105 | struct adv76xx_cfg_read_infoframe { |
106 | const char *desc; | |
107 | u8 present_mask; | |
108 | u8 head_addr; | |
109 | u8 payload_addr; | |
110 | }; | |
111 | ||
b44b2e06 PA |
112 | struct adv76xx_chip_info { |
113 | enum adv76xx_type type; | |
d42010a1 LPC |
114 | |
115 | bool has_afe; | |
116 | unsigned int max_port; | |
117 | unsigned int num_dv_ports; | |
118 | ||
119 | unsigned int edid_enable_reg; | |
120 | unsigned int edid_status_reg; | |
121 | unsigned int lcf_reg; | |
122 | ||
123 | unsigned int cable_det_mask; | |
124 | unsigned int tdms_lock_mask; | |
125 | unsigned int fmt_change_digital_mask; | |
80f4944e | 126 | unsigned int cp_csc; |
d42010a1 | 127 | |
b44b2e06 | 128 | const struct adv76xx_format_info *formats; |
539b33b0 LP |
129 | unsigned int nformats; |
130 | ||
d42010a1 LPC |
131 | void (*set_termination)(struct v4l2_subdev *sd, bool enable); |
132 | void (*setup_irqs)(struct v4l2_subdev *sd); | |
133 | unsigned int (*read_hdmi_pixelclock)(struct v4l2_subdev *sd); | |
134 | unsigned int (*read_cable_det)(struct v4l2_subdev *sd); | |
135 | ||
136 | /* 0 = AFE, 1 = HDMI */ | |
b44b2e06 | 137 | const struct adv76xx_reg_seq *recommended_settings[2]; |
d42010a1 LPC |
138 | unsigned int num_recommended_settings[2]; |
139 | ||
140 | unsigned long page_mask; | |
5380baaf | 141 | |
142 | /* Masks for timings */ | |
143 | unsigned int linewidth_mask; | |
144 | unsigned int field0_height_mask; | |
145 | unsigned int field1_height_mask; | |
146 | unsigned int hfrontporch_mask; | |
147 | unsigned int hsync_mask; | |
148 | unsigned int hbackporch_mask; | |
149 | unsigned int field0_vfrontporch_mask; | |
150 | unsigned int field1_vfrontporch_mask; | |
151 | unsigned int field0_vsync_mask; | |
152 | unsigned int field1_vsync_mask; | |
153 | unsigned int field0_vbackporch_mask; | |
154 | unsigned int field1_vbackporch_mask; | |
d42010a1 LPC |
155 | }; |
156 | ||
54450f59 HV |
157 | /* |
158 | ********************************************************************** | |
159 | * | |
160 | * Arrays with configuration parameters for the ADV7604 | |
161 | * | |
162 | ********************************************************************** | |
163 | */ | |
c784b1e2 | 164 | |
b44b2e06 PA |
165 | struct adv76xx_state { |
166 | const struct adv76xx_chip_info *info; | |
167 | struct adv76xx_platform_data pdata; | |
539b33b0 | 168 | |
e9d50e9e | 169 | struct gpio_desc *hpd_gpio[4]; |
f5591da9 | 170 | struct gpio_desc *reset_gpio; |
e9d50e9e | 171 | |
54450f59 | 172 | struct v4l2_subdev sd; |
b44b2e06 | 173 | struct media_pad pads[ADV76XX_PAD_MAX]; |
c784b1e2 | 174 | unsigned int source_pad; |
539b33b0 | 175 | |
54450f59 | 176 | struct v4l2_ctrl_handler hdl; |
539b33b0 | 177 | |
b44b2e06 | 178 | enum adv76xx_pad selected_input; |
539b33b0 | 179 | |
54450f59 | 180 | struct v4l2_dv_timings timings; |
b44b2e06 | 181 | const struct adv76xx_format_info *format; |
539b33b0 | 182 | |
4a31a93a MR |
183 | struct { |
184 | u8 edid[256]; | |
185 | u32 present; | |
186 | unsigned blocks; | |
187 | } edid; | |
dd08beb9 | 188 | u16 spa_port_a[2]; |
54450f59 HV |
189 | struct v4l2_fract aspect_ratio; |
190 | u32 rgb_quantization_range; | |
54450f59 | 191 | struct delayed_work delayed_work_enable_hotplug; |
cf9afb1d | 192 | bool restart_stdi_once; |
54450f59 | 193 | |
cbb5c835 | 194 | /* CEC */ |
41a52373 HV |
195 | struct cec_adapter *cec_adap; |
196 | u8 cec_addr[ADV76XX_MAX_ADDRS]; | |
197 | u8 cec_valid_addrs; | |
198 | bool cec_enabled_adap; | |
199 | ||
54450f59 | 200 | /* i2c clients */ |
b44b2e06 | 201 | struct i2c_client *i2c_clients[ADV76XX_PAGE_MAX]; |
54450f59 | 202 | |
f862f57d PA |
203 | /* Regmaps */ |
204 | struct regmap *regmap[ADV76XX_PAGE_MAX]; | |
205 | ||
54450f59 HV |
206 | /* controls */ |
207 | struct v4l2_ctrl *detect_tx_5v_ctrl; | |
208 | struct v4l2_ctrl *analog_sampling_phase_ctrl; | |
209 | struct v4l2_ctrl *free_run_color_manual_ctrl; | |
210 | struct v4l2_ctrl *free_run_color_ctrl; | |
211 | struct v4l2_ctrl *rgb_quantization_range_ctrl; | |
212 | }; | |
213 | ||
b44b2e06 | 214 | static bool adv76xx_has_afe(struct adv76xx_state *state) |
d42010a1 LPC |
215 | { |
216 | return state->info->has_afe; | |
217 | } | |
218 | ||
bd3e275f JMH |
219 | /* Unsupported timings. This device cannot support 720p30. */ |
220 | static const struct v4l2_dv_timings adv76xx_timings_exceptions[] = { | |
221 | V4L2_DV_BT_CEA_1280X720P30, | |
222 | { } | |
54450f59 HV |
223 | }; |
224 | ||
bd3e275f JMH |
225 | static bool adv76xx_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl) |
226 | { | |
227 | int i; | |
228 | ||
229 | for (i = 0; adv76xx_timings_exceptions[i].bt.width; i++) | |
230 | if (v4l2_match_dv_timings(t, adv76xx_timings_exceptions + i, 0, false)) | |
231 | return false; | |
232 | return true; | |
233 | } | |
234 | ||
b44b2e06 | 235 | struct adv76xx_video_standards { |
ccbd5bc4 HV |
236 | struct v4l2_dv_timings timings; |
237 | u8 vid_std; | |
238 | u8 v_freq; | |
239 | }; | |
240 | ||
241 | /* sorted by number of lines */ | |
b44b2e06 | 242 | static const struct adv76xx_video_standards adv7604_prim_mode_comp[] = { |
ccbd5bc4 HV |
243 | /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */ |
244 | { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, | |
245 | { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 }, | |
246 | { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 }, | |
247 | { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, | |
248 | { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, | |
249 | { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, | |
250 | { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, | |
251 | { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, | |
252 | /* TODO add 1920x1080P60_RB (CVT timing) */ | |
253 | { }, | |
254 | }; | |
255 | ||
256 | /* sorted by number of lines */ | |
b44b2e06 | 257 | static const struct adv76xx_video_standards adv7604_prim_mode_gr[] = { |
ccbd5bc4 HV |
258 | { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, |
259 | { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, | |
260 | { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, | |
261 | { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, | |
262 | { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, | |
263 | { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, | |
264 | { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, | |
265 | { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, | |
266 | { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, | |
267 | { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, | |
268 | { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, | |
269 | { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, | |
270 | { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, | |
271 | { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, | |
272 | { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, | |
273 | { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 }, | |
274 | { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 }, | |
275 | { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 }, | |
276 | { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 }, | |
277 | { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */ | |
278 | /* TODO add 1600X1200P60_RB (not a DMT timing) */ | |
279 | { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 }, | |
280 | { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */ | |
281 | { }, | |
282 | }; | |
283 | ||
284 | /* sorted by number of lines */ | |
b44b2e06 | 285 | static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_comp[] = { |
ccbd5bc4 HV |
286 | { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, |
287 | { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, | |
288 | { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 }, | |
289 | { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 }, | |
290 | { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, | |
291 | { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, | |
292 | { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, | |
293 | { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, | |
294 | { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, | |
295 | { }, | |
296 | }; | |
297 | ||
298 | /* sorted by number of lines */ | |
b44b2e06 | 299 | static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_gr[] = { |
ccbd5bc4 HV |
300 | { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, |
301 | { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, | |
302 | { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, | |
303 | { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, | |
304 | { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, | |
305 | { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, | |
306 | { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, | |
307 | { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, | |
308 | { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, | |
309 | { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, | |
310 | { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, | |
311 | { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, | |
312 | { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, | |
313 | { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, | |
314 | { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, | |
315 | { }, | |
316 | }; | |
317 | ||
48519838 HV |
318 | static const struct v4l2_event adv76xx_ev_fmt = { |
319 | .type = V4L2_EVENT_SOURCE_CHANGE, | |
320 | .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, | |
321 | }; | |
322 | ||
54450f59 HV |
323 | /* ----------------------------------------------------------------------- */ |
324 | ||
b44b2e06 | 325 | static inline struct adv76xx_state *to_state(struct v4l2_subdev *sd) |
54450f59 | 326 | { |
b44b2e06 | 327 | return container_of(sd, struct adv76xx_state, sd); |
54450f59 HV |
328 | } |
329 | ||
54450f59 HV |
330 | static inline unsigned htotal(const struct v4l2_bt_timings *t) |
331 | { | |
eacf8f9a | 332 | return V4L2_DV_BT_FRAME_WIDTH(t); |
54450f59 HV |
333 | } |
334 | ||
54450f59 HV |
335 | static inline unsigned vtotal(const struct v4l2_bt_timings *t) |
336 | { | |
eacf8f9a | 337 | return V4L2_DV_BT_FRAME_HEIGHT(t); |
54450f59 HV |
338 | } |
339 | ||
340 | /* ----------------------------------------------------------------------- */ | |
341 | ||
f862f57d PA |
342 | static int adv76xx_read_check(struct adv76xx_state *state, |
343 | int client_page, u8 reg) | |
54450f59 | 344 | { |
f862f57d | 345 | struct i2c_client *client = state->i2c_clients[client_page]; |
54450f59 | 346 | int err; |
f862f57d | 347 | unsigned int val; |
54450f59 | 348 | |
f862f57d PA |
349 | err = regmap_read(state->regmap[client_page], reg, &val); |
350 | ||
351 | if (err) { | |
352 | v4l_err(client, "error reading %02x, %02x\n", | |
353 | client->addr, reg); | |
354 | return err; | |
54450f59 | 355 | } |
f862f57d | 356 | return val; |
54450f59 HV |
357 | } |
358 | ||
f862f57d PA |
359 | /* adv76xx_write_block(): Write raw data with a maximum of I2C_SMBUS_BLOCK_MAX |
360 | * size to one or more registers. | |
361 | * | |
362 | * A value of zero will be returned on success, a negative errno will | |
363 | * be returned in error cases. | |
364 | */ | |
365 | static int adv76xx_write_block(struct adv76xx_state *state, int client_page, | |
366 | unsigned int init_reg, const void *val, | |
367 | size_t val_len) | |
54450f59 | 368 | { |
f862f57d PA |
369 | struct regmap *regmap = state->regmap[client_page]; |
370 | ||
371 | if (val_len > I2C_SMBUS_BLOCK_MAX) | |
372 | val_len = I2C_SMBUS_BLOCK_MAX; | |
54450f59 | 373 | |
f862f57d | 374 | return regmap_raw_write(regmap, init_reg, val, val_len); |
54450f59 HV |
375 | } |
376 | ||
377 | /* ----------------------------------------------------------------------- */ | |
378 | ||
379 | static inline int io_read(struct v4l2_subdev *sd, u8 reg) | |
380 | { | |
b44b2e06 | 381 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 382 | |
f862f57d | 383 | return adv76xx_read_check(state, ADV76XX_PAGE_IO, reg); |
54450f59 HV |
384 | } |
385 | ||
386 | static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
387 | { | |
b44b2e06 | 388 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 389 | |
f862f57d | 390 | return regmap_write(state->regmap[ADV76XX_PAGE_IO], reg, val); |
54450f59 HV |
391 | } |
392 | ||
41a52373 HV |
393 | static inline int io_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, |
394 | u8 val) | |
54450f59 | 395 | { |
22d97e56 | 396 | return io_write(sd, reg, (io_read(sd, reg) & ~mask) | val); |
54450f59 HV |
397 | } |
398 | ||
399 | static inline int avlink_read(struct v4l2_subdev *sd, u8 reg) | |
400 | { | |
b44b2e06 | 401 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 402 | |
f862f57d | 403 | return adv76xx_read_check(state, ADV7604_PAGE_AVLINK, reg); |
54450f59 HV |
404 | } |
405 | ||
406 | static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
407 | { | |
b44b2e06 | 408 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 409 | |
f862f57d | 410 | return regmap_write(state->regmap[ADV7604_PAGE_AVLINK], reg, val); |
54450f59 HV |
411 | } |
412 | ||
413 | static inline int cec_read(struct v4l2_subdev *sd, u8 reg) | |
414 | { | |
b44b2e06 | 415 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 416 | |
f862f57d | 417 | return adv76xx_read_check(state, ADV76XX_PAGE_CEC, reg); |
54450f59 HV |
418 | } |
419 | ||
420 | static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
421 | { | |
b44b2e06 | 422 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 423 | |
f862f57d | 424 | return regmap_write(state->regmap[ADV76XX_PAGE_CEC], reg, val); |
54450f59 HV |
425 | } |
426 | ||
41a52373 HV |
427 | static inline int cec_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, |
428 | u8 val) | |
429 | { | |
430 | return cec_write(sd, reg, (cec_read(sd, reg) & ~mask) | val); | |
431 | } | |
432 | ||
54450f59 HV |
433 | static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg) |
434 | { | |
b44b2e06 | 435 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 436 | |
f862f57d | 437 | return adv76xx_read_check(state, ADV76XX_PAGE_INFOFRAME, reg); |
54450f59 HV |
438 | } |
439 | ||
440 | static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
441 | { | |
b44b2e06 | 442 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 443 | |
f862f57d | 444 | return regmap_write(state->regmap[ADV76XX_PAGE_INFOFRAME], reg, val); |
54450f59 HV |
445 | } |
446 | ||
54450f59 HV |
447 | static inline int afe_read(struct v4l2_subdev *sd, u8 reg) |
448 | { | |
b44b2e06 | 449 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 450 | |
f862f57d | 451 | return adv76xx_read_check(state, ADV76XX_PAGE_AFE, reg); |
54450f59 HV |
452 | } |
453 | ||
454 | static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
455 | { | |
b44b2e06 | 456 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 457 | |
f862f57d | 458 | return regmap_write(state->regmap[ADV76XX_PAGE_AFE], reg, val); |
54450f59 HV |
459 | } |
460 | ||
461 | static inline int rep_read(struct v4l2_subdev *sd, u8 reg) | |
462 | { | |
b44b2e06 | 463 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 464 | |
f862f57d | 465 | return adv76xx_read_check(state, ADV76XX_PAGE_REP, reg); |
54450f59 HV |
466 | } |
467 | ||
468 | static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
469 | { | |
b44b2e06 | 470 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 471 | |
f862f57d | 472 | return regmap_write(state->regmap[ADV76XX_PAGE_REP], reg, val); |
54450f59 HV |
473 | } |
474 | ||
22d97e56 | 475 | static inline int rep_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
54450f59 | 476 | { |
22d97e56 | 477 | return rep_write(sd, reg, (rep_read(sd, reg) & ~mask) | val); |
54450f59 HV |
478 | } |
479 | ||
480 | static inline int edid_read(struct v4l2_subdev *sd, u8 reg) | |
481 | { | |
b44b2e06 | 482 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 483 | |
f862f57d | 484 | return adv76xx_read_check(state, ADV76XX_PAGE_EDID, reg); |
54450f59 HV |
485 | } |
486 | ||
487 | static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
488 | { | |
b44b2e06 | 489 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 490 | |
f862f57d | 491 | return regmap_write(state->regmap[ADV76XX_PAGE_EDID], reg, val); |
54450f59 HV |
492 | } |
493 | ||
54450f59 | 494 | static inline int edid_write_block(struct v4l2_subdev *sd, |
f862f57d | 495 | unsigned int total_len, const u8 *val) |
54450f59 | 496 | { |
b44b2e06 | 497 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 498 | int err = 0; |
f862f57d PA |
499 | int i = 0; |
500 | int len = 0; | |
54450f59 | 501 | |
f862f57d PA |
502 | v4l2_dbg(2, debug, sd, "%s: write EDID block (%d byte)\n", |
503 | __func__, total_len); | |
504 | ||
505 | while (!err && i < total_len) { | |
506 | len = (total_len - i) > I2C_SMBUS_BLOCK_MAX ? | |
507 | I2C_SMBUS_BLOCK_MAX : | |
508 | (total_len - i); | |
509 | ||
510 | err = adv76xx_write_block(state, ADV76XX_PAGE_EDID, | |
511 | i, val + i, len); | |
512 | i += len; | |
513 | } | |
54450f59 | 514 | |
dd08beb9 MR |
515 | return err; |
516 | } | |
54450f59 | 517 | |
b44b2e06 | 518 | static void adv76xx_set_hpd(struct adv76xx_state *state, unsigned int hpd) |
e9d50e9e LP |
519 | { |
520 | unsigned int i; | |
521 | ||
269bd132 | 522 | for (i = 0; i < state->info->num_dv_ports; ++i) |
e9d50e9e | 523 | gpiod_set_value_cansleep(state->hpd_gpio[i], hpd & BIT(i)); |
e9d50e9e | 524 | |
b44b2e06 | 525 | v4l2_subdev_notify(&state->sd, ADV76XX_HOTPLUG, &hpd); |
e9d50e9e LP |
526 | } |
527 | ||
b44b2e06 | 528 | static void adv76xx_delayed_work_enable_hotplug(struct work_struct *work) |
dd08beb9 MR |
529 | { |
530 | struct delayed_work *dwork = to_delayed_work(work); | |
b44b2e06 | 531 | struct adv76xx_state *state = container_of(dwork, struct adv76xx_state, |
dd08beb9 MR |
532 | delayed_work_enable_hotplug); |
533 | struct v4l2_subdev *sd = &state->sd; | |
54450f59 | 534 | |
dd08beb9 | 535 | v4l2_dbg(2, debug, sd, "%s: enable hotplug\n", __func__); |
54450f59 | 536 | |
b44b2e06 | 537 | adv76xx_set_hpd(state, state->edid.present); |
54450f59 HV |
538 | } |
539 | ||
540 | static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) | |
541 | { | |
b44b2e06 | 542 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 543 | |
f862f57d | 544 | return adv76xx_read_check(state, ADV76XX_PAGE_HDMI, reg); |
54450f59 HV |
545 | } |
546 | ||
51182a94 LP |
547 | static u16 hdmi_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) |
548 | { | |
549 | return ((hdmi_read(sd, reg) << 8) | hdmi_read(sd, reg + 1)) & mask; | |
550 | } | |
551 | ||
54450f59 HV |
552 | static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
553 | { | |
b44b2e06 | 554 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 555 | |
f862f57d | 556 | return regmap_write(state->regmap[ADV76XX_PAGE_HDMI], reg, val); |
54450f59 HV |
557 | } |
558 | ||
22d97e56 | 559 | static inline int hdmi_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
4a31a93a | 560 | { |
22d97e56 | 561 | return hdmi_write(sd, reg, (hdmi_read(sd, reg) & ~mask) | val); |
4a31a93a MR |
562 | } |
563 | ||
54450f59 HV |
564 | static inline int test_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
565 | { | |
b44b2e06 | 566 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 567 | |
f862f57d | 568 | return regmap_write(state->regmap[ADV76XX_PAGE_TEST], reg, val); |
54450f59 HV |
569 | } |
570 | ||
571 | static inline int cp_read(struct v4l2_subdev *sd, u8 reg) | |
572 | { | |
b44b2e06 | 573 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 574 | |
f862f57d | 575 | return adv76xx_read_check(state, ADV76XX_PAGE_CP, reg); |
54450f59 HV |
576 | } |
577 | ||
51182a94 LP |
578 | static u16 cp_read16(struct v4l2_subdev *sd, u8 reg, u16 mask) |
579 | { | |
580 | return ((cp_read(sd, reg) << 8) | cp_read(sd, reg + 1)) & mask; | |
581 | } | |
582 | ||
54450f59 HV |
583 | static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
584 | { | |
b44b2e06 | 585 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 586 | |
f862f57d | 587 | return regmap_write(state->regmap[ADV76XX_PAGE_CP], reg, val); |
54450f59 HV |
588 | } |
589 | ||
22d97e56 | 590 | static inline int cp_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
54450f59 | 591 | { |
22d97e56 | 592 | return cp_write(sd, reg, (cp_read(sd, reg) & ~mask) | val); |
54450f59 HV |
593 | } |
594 | ||
595 | static inline int vdp_read(struct v4l2_subdev *sd, u8 reg) | |
596 | { | |
b44b2e06 | 597 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 598 | |
f862f57d | 599 | return adv76xx_read_check(state, ADV7604_PAGE_VDP, reg); |
54450f59 HV |
600 | } |
601 | ||
602 | static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
603 | { | |
b44b2e06 | 604 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 605 | |
f862f57d | 606 | return regmap_write(state->regmap[ADV7604_PAGE_VDP], reg, val); |
05cacb17 | 607 | } |
d42010a1 | 608 | |
b44b2e06 PA |
609 | #define ADV76XX_REG(page, offset) (((page) << 8) | (offset)) |
610 | #define ADV76XX_REG_SEQ_TERM 0xffff | |
d42010a1 LPC |
611 | |
612 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
b44b2e06 | 613 | static int adv76xx_read_reg(struct v4l2_subdev *sd, unsigned int reg) |
d42010a1 | 614 | { |
b44b2e06 | 615 | struct adv76xx_state *state = to_state(sd); |
d42010a1 | 616 | unsigned int page = reg >> 8; |
f862f57d PA |
617 | unsigned int val; |
618 | int err; | |
d42010a1 LPC |
619 | |
620 | if (!(BIT(page) & state->info->page_mask)) | |
621 | return -EINVAL; | |
622 | ||
623 | reg &= 0xff; | |
f862f57d | 624 | err = regmap_read(state->regmap[page], reg, &val); |
d42010a1 | 625 | |
f862f57d | 626 | return err ? err : val; |
d42010a1 LPC |
627 | } |
628 | #endif | |
629 | ||
b44b2e06 | 630 | static int adv76xx_write_reg(struct v4l2_subdev *sd, unsigned int reg, u8 val) |
d42010a1 | 631 | { |
b44b2e06 | 632 | struct adv76xx_state *state = to_state(sd); |
d42010a1 LPC |
633 | unsigned int page = reg >> 8; |
634 | ||
635 | if (!(BIT(page) & state->info->page_mask)) | |
636 | return -EINVAL; | |
637 | ||
638 | reg &= 0xff; | |
639 | ||
f862f57d | 640 | return regmap_write(state->regmap[page], reg, val); |
d42010a1 LPC |
641 | } |
642 | ||
b44b2e06 PA |
643 | static void adv76xx_write_reg_seq(struct v4l2_subdev *sd, |
644 | const struct adv76xx_reg_seq *reg_seq) | |
d42010a1 LPC |
645 | { |
646 | unsigned int i; | |
647 | ||
b44b2e06 PA |
648 | for (i = 0; reg_seq[i].reg != ADV76XX_REG_SEQ_TERM; i++) |
649 | adv76xx_write_reg(sd, reg_seq[i].reg, reg_seq[i].val); | |
d42010a1 LPC |
650 | } |
651 | ||
539b33b0 LP |
652 | /* ----------------------------------------------------------------------------- |
653 | * Format helpers | |
654 | */ | |
655 | ||
b44b2e06 PA |
656 | static const struct adv76xx_format_info adv7604_formats[] = { |
657 | { MEDIA_BUS_FMT_RGB888_1X24, ADV76XX_OP_CH_SEL_RGB, true, false, | |
658 | ADV76XX_OP_MODE_SEL_SDR_444 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
659 | { MEDIA_BUS_FMT_YUYV8_2X8, ADV76XX_OP_CH_SEL_RGB, false, false, | |
660 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
661 | { MEDIA_BUS_FMT_YVYU8_2X8, ADV76XX_OP_CH_SEL_RGB, false, true, | |
662 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
663 | { MEDIA_BUS_FMT_YUYV10_2X10, ADV76XX_OP_CH_SEL_RGB, false, false, | |
664 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV7604_OP_FORMAT_SEL_10BIT }, | |
665 | { MEDIA_BUS_FMT_YVYU10_2X10, ADV76XX_OP_CH_SEL_RGB, false, true, | |
666 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV7604_OP_FORMAT_SEL_10BIT }, | |
667 | { MEDIA_BUS_FMT_YUYV12_2X12, ADV76XX_OP_CH_SEL_RGB, false, false, | |
668 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
669 | { MEDIA_BUS_FMT_YVYU12_2X12, ADV76XX_OP_CH_SEL_RGB, false, true, | |
670 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
671 | { MEDIA_BUS_FMT_UYVY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, false, | |
672 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
673 | { MEDIA_BUS_FMT_VYUY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, true, | |
674 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
675 | { MEDIA_BUS_FMT_YUYV8_1X16, ADV76XX_OP_CH_SEL_RGB, false, false, | |
676 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
677 | { MEDIA_BUS_FMT_YVYU8_1X16, ADV76XX_OP_CH_SEL_RGB, false, true, | |
678 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
679 | { MEDIA_BUS_FMT_UYVY10_1X20, ADV76XX_OP_CH_SEL_RBG, false, false, | |
680 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, | |
681 | { MEDIA_BUS_FMT_VYUY10_1X20, ADV76XX_OP_CH_SEL_RBG, false, true, | |
682 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, | |
683 | { MEDIA_BUS_FMT_YUYV10_1X20, ADV76XX_OP_CH_SEL_RGB, false, false, | |
684 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, | |
685 | { MEDIA_BUS_FMT_YVYU10_1X20, ADV76XX_OP_CH_SEL_RGB, false, true, | |
686 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV7604_OP_FORMAT_SEL_10BIT }, | |
687 | { MEDIA_BUS_FMT_UYVY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, false, | |
688 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
689 | { MEDIA_BUS_FMT_VYUY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, true, | |
690 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
691 | { MEDIA_BUS_FMT_YUYV12_1X24, ADV76XX_OP_CH_SEL_RGB, false, false, | |
692 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
693 | { MEDIA_BUS_FMT_YVYU12_1X24, ADV76XX_OP_CH_SEL_RGB, false, true, | |
694 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
539b33b0 LP |
695 | }; |
696 | ||
b44b2e06 PA |
697 | static const struct adv76xx_format_info adv7611_formats[] = { |
698 | { MEDIA_BUS_FMT_RGB888_1X24, ADV76XX_OP_CH_SEL_RGB, true, false, | |
699 | ADV76XX_OP_MODE_SEL_SDR_444 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
700 | { MEDIA_BUS_FMT_YUYV8_2X8, ADV76XX_OP_CH_SEL_RGB, false, false, | |
701 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
702 | { MEDIA_BUS_FMT_YVYU8_2X8, ADV76XX_OP_CH_SEL_RGB, false, true, | |
703 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
704 | { MEDIA_BUS_FMT_YUYV12_2X12, ADV76XX_OP_CH_SEL_RGB, false, false, | |
705 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
706 | { MEDIA_BUS_FMT_YVYU12_2X12, ADV76XX_OP_CH_SEL_RGB, false, true, | |
707 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
708 | { MEDIA_BUS_FMT_UYVY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, false, | |
709 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
710 | { MEDIA_BUS_FMT_VYUY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, true, | |
711 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
712 | { MEDIA_BUS_FMT_YUYV8_1X16, ADV76XX_OP_CH_SEL_RGB, false, false, | |
713 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
714 | { MEDIA_BUS_FMT_YVYU8_1X16, ADV76XX_OP_CH_SEL_RGB, false, true, | |
715 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
716 | { MEDIA_BUS_FMT_UYVY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, false, | |
717 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
718 | { MEDIA_BUS_FMT_VYUY12_1X24, ADV76XX_OP_CH_SEL_RBG, false, true, | |
719 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
720 | { MEDIA_BUS_FMT_YUYV12_1X24, ADV76XX_OP_CH_SEL_RGB, false, false, | |
721 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
722 | { MEDIA_BUS_FMT_YVYU12_1X24, ADV76XX_OP_CH_SEL_RGB, false, true, | |
723 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_12BIT }, | |
539b33b0 LP |
724 | }; |
725 | ||
8331d30b WT |
726 | static const struct adv76xx_format_info adv7612_formats[] = { |
727 | { MEDIA_BUS_FMT_RGB888_1X24, ADV76XX_OP_CH_SEL_RGB, true, false, | |
728 | ADV76XX_OP_MODE_SEL_SDR_444 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
729 | { MEDIA_BUS_FMT_YUYV8_2X8, ADV76XX_OP_CH_SEL_RGB, false, false, | |
730 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
731 | { MEDIA_BUS_FMT_YVYU8_2X8, ADV76XX_OP_CH_SEL_RGB, false, true, | |
732 | ADV76XX_OP_MODE_SEL_SDR_422 | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
733 | { MEDIA_BUS_FMT_UYVY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, false, | |
734 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
735 | { MEDIA_BUS_FMT_VYUY8_1X16, ADV76XX_OP_CH_SEL_RBG, false, true, | |
736 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
737 | { MEDIA_BUS_FMT_YUYV8_1X16, ADV76XX_OP_CH_SEL_RGB, false, false, | |
738 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
739 | { MEDIA_BUS_FMT_YVYU8_1X16, ADV76XX_OP_CH_SEL_RGB, false, true, | |
740 | ADV76XX_OP_MODE_SEL_SDR_422_2X | ADV76XX_OP_FORMAT_SEL_8BIT }, | |
741 | }; | |
742 | ||
b44b2e06 PA |
743 | static const struct adv76xx_format_info * |
744 | adv76xx_format_info(struct adv76xx_state *state, u32 code) | |
539b33b0 LP |
745 | { |
746 | unsigned int i; | |
747 | ||
748 | for (i = 0; i < state->info->nformats; ++i) { | |
749 | if (state->info->formats[i].code == code) | |
750 | return &state->info->formats[i]; | |
751 | } | |
752 | ||
753 | return NULL; | |
754 | } | |
755 | ||
54450f59 HV |
756 | /* ----------------------------------------------------------------------- */ |
757 | ||
4a31a93a MR |
758 | static inline bool is_analog_input(struct v4l2_subdev *sd) |
759 | { | |
b44b2e06 | 760 | struct adv76xx_state *state = to_state(sd); |
4a31a93a | 761 | |
c784b1e2 LP |
762 | return state->selected_input == ADV7604_PAD_VGA_RGB || |
763 | state->selected_input == ADV7604_PAD_VGA_COMP; | |
4a31a93a MR |
764 | } |
765 | ||
766 | static inline bool is_digital_input(struct v4l2_subdev *sd) | |
767 | { | |
b44b2e06 | 768 | struct adv76xx_state *state = to_state(sd); |
4a31a93a | 769 | |
b44b2e06 | 770 | return state->selected_input == ADV76XX_PAD_HDMI_PORT_A || |
c784b1e2 LP |
771 | state->selected_input == ADV7604_PAD_HDMI_PORT_B || |
772 | state->selected_input == ADV7604_PAD_HDMI_PORT_C || | |
773 | state->selected_input == ADV7604_PAD_HDMI_PORT_D; | |
4a31a93a MR |
774 | } |
775 | ||
bd3e275f JMH |
776 | static const struct v4l2_dv_timings_cap adv7604_timings_cap_analog = { |
777 | .type = V4L2_DV_BT_656_1120, | |
778 | /* keep this initialization for compatibility with GCC < 4.4.6 */ | |
779 | .reserved = { 0 }, | |
780 | V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 170000000, | |
781 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | | |
782 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, | |
783 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | | |
784 | V4L2_DV_BT_CAP_CUSTOM) | |
785 | }; | |
786 | ||
787 | static const struct v4l2_dv_timings_cap adv76xx_timings_cap_digital = { | |
788 | .type = V4L2_DV_BT_656_1120, | |
789 | /* keep this initialization for compatibility with GCC < 4.4.6 */ | |
790 | .reserved = { 0 }, | |
791 | V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 225000000, | |
792 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | | |
793 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, | |
794 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | | |
795 | V4L2_DV_BT_CAP_CUSTOM) | |
796 | }; | |
797 | ||
9c41e690 LP |
798 | /* |
799 | * Return the DV timings capabilities for the requested sink pad. As a special | |
800 | * case, pad value -1 returns the capabilities for the currently selected input. | |
801 | */ | |
802 | static const struct v4l2_dv_timings_cap * | |
803 | adv76xx_get_dv_timings_cap(struct v4l2_subdev *sd, int pad) | |
bd3e275f | 804 | { |
9c41e690 LP |
805 | if (pad == -1) { |
806 | struct adv76xx_state *state = to_state(sd); | |
807 | ||
808 | pad = state->selected_input; | |
809 | } | |
810 | ||
811 | switch (pad) { | |
812 | case ADV76XX_PAD_HDMI_PORT_A: | |
813 | case ADV7604_PAD_HDMI_PORT_B: | |
814 | case ADV7604_PAD_HDMI_PORT_C: | |
815 | case ADV7604_PAD_HDMI_PORT_D: | |
816 | return &adv76xx_timings_cap_digital; | |
817 | ||
818 | case ADV7604_PAD_VGA_RGB: | |
819 | case ADV7604_PAD_VGA_COMP: | |
820 | default: | |
821 | return &adv7604_timings_cap_analog; | |
822 | } | |
bd3e275f JMH |
823 | } |
824 | ||
825 | ||
4a31a93a MR |
826 | /* ----------------------------------------------------------------------- */ |
827 | ||
54450f59 | 828 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
b44b2e06 | 829 | static void adv76xx_inv_register(struct v4l2_subdev *sd) |
54450f59 HV |
830 | { |
831 | v4l2_info(sd, "0x000-0x0ff: IO Map\n"); | |
832 | v4l2_info(sd, "0x100-0x1ff: AVLink Map\n"); | |
833 | v4l2_info(sd, "0x200-0x2ff: CEC Map\n"); | |
834 | v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n"); | |
835 | v4l2_info(sd, "0x400-0x4ff: ESDP Map\n"); | |
836 | v4l2_info(sd, "0x500-0x5ff: DPP Map\n"); | |
837 | v4l2_info(sd, "0x600-0x6ff: AFE Map\n"); | |
838 | v4l2_info(sd, "0x700-0x7ff: Repeater Map\n"); | |
839 | v4l2_info(sd, "0x800-0x8ff: EDID Map\n"); | |
840 | v4l2_info(sd, "0x900-0x9ff: HDMI Map\n"); | |
841 | v4l2_info(sd, "0xa00-0xaff: Test Map\n"); | |
842 | v4l2_info(sd, "0xb00-0xbff: CP Map\n"); | |
843 | v4l2_info(sd, "0xc00-0xcff: VDP Map\n"); | |
844 | } | |
845 | ||
b44b2e06 | 846 | static int adv76xx_g_register(struct v4l2_subdev *sd, |
54450f59 HV |
847 | struct v4l2_dbg_register *reg) |
848 | { | |
d42010a1 LPC |
849 | int ret; |
850 | ||
b44b2e06 | 851 | ret = adv76xx_read_reg(sd, reg->reg); |
d42010a1 | 852 | if (ret < 0) { |
54450f59 | 853 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
b44b2e06 | 854 | adv76xx_inv_register(sd); |
d42010a1 | 855 | return ret; |
54450f59 | 856 | } |
d42010a1 LPC |
857 | |
858 | reg->size = 1; | |
859 | reg->val = ret; | |
860 | ||
54450f59 HV |
861 | return 0; |
862 | } | |
863 | ||
b44b2e06 | 864 | static int adv76xx_s_register(struct v4l2_subdev *sd, |
977ba3b1 | 865 | const struct v4l2_dbg_register *reg) |
54450f59 | 866 | { |
d42010a1 | 867 | int ret; |
1577461b | 868 | |
b44b2e06 | 869 | ret = adv76xx_write_reg(sd, reg->reg, reg->val); |
d42010a1 | 870 | if (ret < 0) { |
54450f59 | 871 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
b44b2e06 | 872 | adv76xx_inv_register(sd); |
d42010a1 | 873 | return ret; |
54450f59 | 874 | } |
d42010a1 | 875 | |
54450f59 HV |
876 | return 0; |
877 | } | |
878 | #endif | |
879 | ||
d42010a1 LPC |
880 | static unsigned int adv7604_read_cable_det(struct v4l2_subdev *sd) |
881 | { | |
882 | u8 value = io_read(sd, 0x6f); | |
883 | ||
884 | return ((value & 0x10) >> 4) | |
885 | | ((value & 0x08) >> 2) | |
886 | | ((value & 0x04) << 0) | |
887 | | ((value & 0x02) << 2); | |
888 | } | |
889 | ||
890 | static unsigned int adv7611_read_cable_det(struct v4l2_subdev *sd) | |
891 | { | |
892 | u8 value = io_read(sd, 0x6f); | |
893 | ||
894 | return value & 1; | |
895 | } | |
896 | ||
7111cddd WT |
897 | static unsigned int adv7612_read_cable_det(struct v4l2_subdev *sd) |
898 | { | |
899 | /* Reads CABLE_DET_A_RAW. For input B support, need to | |
900 | * account for bit 7 [MSB] of 0x6a (ie. CABLE_DET_B_RAW) | |
901 | */ | |
902 | u8 value = io_read(sd, 0x6f); | |
903 | ||
904 | return value & 1; | |
905 | } | |
906 | ||
b44b2e06 | 907 | static int adv76xx_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd) |
54450f59 | 908 | { |
b44b2e06 PA |
909 | struct adv76xx_state *state = to_state(sd); |
910 | const struct adv76xx_chip_info *info = state->info; | |
41a52373 | 911 | u16 cable_det = info->read_cable_det(sd); |
54450f59 | 912 | |
41a52373 | 913 | return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, cable_det); |
54450f59 HV |
914 | } |
915 | ||
ccbd5bc4 HV |
916 | static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd, |
917 | u8 prim_mode, | |
b44b2e06 | 918 | const struct adv76xx_video_standards *predef_vid_timings, |
ccbd5bc4 HV |
919 | const struct v4l2_dv_timings *timings) |
920 | { | |
ccbd5bc4 HV |
921 | int i; |
922 | ||
923 | for (i = 0; predef_vid_timings[i].timings.bt.width; i++) { | |
ef1ed8f5 | 924 | if (!v4l2_match_dv_timings(timings, &predef_vid_timings[i].timings, |
85f9e06c | 925 | is_digital_input(sd) ? 250000 : 1000000, false)) |
ccbd5bc4 HV |
926 | continue; |
927 | io_write(sd, 0x00, predef_vid_timings[i].vid_std); /* video std */ | |
928 | io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) + | |
929 | prim_mode); /* v_freq and prim mode */ | |
930 | return 0; | |
931 | } | |
932 | ||
933 | return -1; | |
934 | } | |
935 | ||
936 | static int configure_predefined_video_timings(struct v4l2_subdev *sd, | |
937 | struct v4l2_dv_timings *timings) | |
54450f59 | 938 | { |
b44b2e06 | 939 | struct adv76xx_state *state = to_state(sd); |
ccbd5bc4 HV |
940 | int err; |
941 | ||
942 | v4l2_dbg(1, debug, sd, "%s", __func__); | |
943 | ||
b44b2e06 | 944 | if (adv76xx_has_afe(state)) { |
d42010a1 LPC |
945 | /* reset to default values */ |
946 | io_write(sd, 0x16, 0x43); | |
947 | io_write(sd, 0x17, 0x5a); | |
948 | } | |
ccbd5bc4 | 949 | /* disable embedded syncs for auto graphics mode */ |
22d97e56 | 950 | cp_write_clr_set(sd, 0x81, 0x10, 0x00); |
ccbd5bc4 HV |
951 | cp_write(sd, 0x8f, 0x00); |
952 | cp_write(sd, 0x90, 0x00); | |
953 | cp_write(sd, 0xa2, 0x00); | |
954 | cp_write(sd, 0xa3, 0x00); | |
955 | cp_write(sd, 0xa4, 0x00); | |
956 | cp_write(sd, 0xa5, 0x00); | |
957 | cp_write(sd, 0xa6, 0x00); | |
958 | cp_write(sd, 0xa7, 0x00); | |
959 | cp_write(sd, 0xab, 0x00); | |
960 | cp_write(sd, 0xac, 0x00); | |
961 | ||
4a31a93a | 962 | if (is_analog_input(sd)) { |
ccbd5bc4 HV |
963 | err = find_and_set_predefined_video_timings(sd, |
964 | 0x01, adv7604_prim_mode_comp, timings); | |
965 | if (err) | |
966 | err = find_and_set_predefined_video_timings(sd, | |
967 | 0x02, adv7604_prim_mode_gr, timings); | |
4a31a93a | 968 | } else if (is_digital_input(sd)) { |
ccbd5bc4 | 969 | err = find_and_set_predefined_video_timings(sd, |
b44b2e06 | 970 | 0x05, adv76xx_prim_mode_hdmi_comp, timings); |
ccbd5bc4 HV |
971 | if (err) |
972 | err = find_and_set_predefined_video_timings(sd, | |
b44b2e06 | 973 | 0x06, adv76xx_prim_mode_hdmi_gr, timings); |
4a31a93a MR |
974 | } else { |
975 | v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", | |
976 | __func__, state->selected_input); | |
ccbd5bc4 | 977 | err = -1; |
ccbd5bc4 HV |
978 | } |
979 | ||
980 | ||
981 | return err; | |
982 | } | |
983 | ||
984 | static void configure_custom_video_timings(struct v4l2_subdev *sd, | |
985 | const struct v4l2_bt_timings *bt) | |
986 | { | |
b44b2e06 | 987 | struct adv76xx_state *state = to_state(sd); |
ccbd5bc4 HV |
988 | u32 width = htotal(bt); |
989 | u32 height = vtotal(bt); | |
990 | u16 cp_start_sav = bt->hsync + bt->hbackporch - 4; | |
991 | u16 cp_start_eav = width - bt->hfrontporch; | |
992 | u16 cp_start_vbi = height - bt->vfrontporch; | |
993 | u16 cp_end_vbi = bt->vsync + bt->vbackporch; | |
994 | u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ? | |
b44b2e06 | 995 | ((width * (ADV76XX_FSC / 100)) / ((u32)bt->pixelclock / 100)) : 0; |
ccbd5bc4 HV |
996 | const u8 pll[2] = { |
997 | 0xc0 | ((width >> 8) & 0x1f), | |
998 | width & 0xff | |
999 | }; | |
54450f59 HV |
1000 | |
1001 | v4l2_dbg(2, debug, sd, "%s\n", __func__); | |
1002 | ||
4a31a93a | 1003 | if (is_analog_input(sd)) { |
ccbd5bc4 HV |
1004 | /* auto graphics */ |
1005 | io_write(sd, 0x00, 0x07); /* video std */ | |
1006 | io_write(sd, 0x01, 0x02); /* prim mode */ | |
1007 | /* enable embedded syncs for auto graphics mode */ | |
22d97e56 | 1008 | cp_write_clr_set(sd, 0x81, 0x10, 0x10); |
54450f59 | 1009 | |
ccbd5bc4 | 1010 | /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */ |
54450f59 HV |
1011 | /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */ |
1012 | /* IO-map reg. 0x16 and 0x17 should be written in sequence */ | |
f862f57d PA |
1013 | if (regmap_raw_write(state->regmap[ADV76XX_PAGE_IO], |
1014 | 0x16, pll, 2)) | |
54450f59 | 1015 | v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n"); |
54450f59 HV |
1016 | |
1017 | /* active video - horizontal timing */ | |
54450f59 | 1018 | cp_write(sd, 0xa2, (cp_start_sav >> 4) & 0xff); |
ccbd5bc4 | 1019 | cp_write(sd, 0xa3, ((cp_start_sav & 0x0f) << 4) | |
4a31a93a | 1020 | ((cp_start_eav >> 8) & 0x0f)); |
54450f59 HV |
1021 | cp_write(sd, 0xa4, cp_start_eav & 0xff); |
1022 | ||
1023 | /* active video - vertical timing */ | |
54450f59 | 1024 | cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff); |
ccbd5bc4 | 1025 | cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) | |
4a31a93a | 1026 | ((cp_end_vbi >> 8) & 0xf)); |
54450f59 | 1027 | cp_write(sd, 0xa7, cp_end_vbi & 0xff); |
4a31a93a | 1028 | } else if (is_digital_input(sd)) { |
ccbd5bc4 | 1029 | /* set default prim_mode/vid_std for HDMI |
39c1cb2b | 1030 | according to [REF_03, c. 4.2] */ |
ccbd5bc4 HV |
1031 | io_write(sd, 0x00, 0x02); /* video std */ |
1032 | io_write(sd, 0x01, 0x06); /* prim mode */ | |
4a31a93a MR |
1033 | } else { |
1034 | v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", | |
1035 | __func__, state->selected_input); | |
54450f59 | 1036 | } |
54450f59 | 1037 | |
ccbd5bc4 HV |
1038 | cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7); |
1039 | cp_write(sd, 0x90, ch1_fr_ll & 0xff); | |
1040 | cp_write(sd, 0xab, (height >> 4) & 0xff); | |
1041 | cp_write(sd, 0xac, (height & 0x0f) << 4); | |
1042 | } | |
54450f59 | 1043 | |
b44b2e06 | 1044 | static void adv76xx_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c) |
5c6c6349 | 1045 | { |
b44b2e06 | 1046 | struct adv76xx_state *state = to_state(sd); |
5c6c6349 MR |
1047 | u8 offset_buf[4]; |
1048 | ||
1049 | if (auto_offset) { | |
1050 | offset_a = 0x3ff; | |
1051 | offset_b = 0x3ff; | |
1052 | offset_c = 0x3ff; | |
1053 | } | |
1054 | ||
1055 | v4l2_dbg(2, debug, sd, "%s: %s offset: a = 0x%x, b = 0x%x, c = 0x%x\n", | |
1056 | __func__, auto_offset ? "Auto" : "Manual", | |
1057 | offset_a, offset_b, offset_c); | |
1058 | ||
1059 | offset_buf[0] = (cp_read(sd, 0x77) & 0xc0) | ((offset_a & 0x3f0) >> 4); | |
1060 | offset_buf[1] = ((offset_a & 0x00f) << 4) | ((offset_b & 0x3c0) >> 6); | |
1061 | offset_buf[2] = ((offset_b & 0x03f) << 2) | ((offset_c & 0x300) >> 8); | |
1062 | offset_buf[3] = offset_c & 0x0ff; | |
1063 | ||
1064 | /* Registers must be written in this order with no i2c access in between */ | |
f862f57d PA |
1065 | if (regmap_raw_write(state->regmap[ADV76XX_PAGE_CP], |
1066 | 0x77, offset_buf, 4)) | |
5c6c6349 MR |
1067 | v4l2_err(sd, "%s: i2c error writing to CP reg 0x77, 0x78, 0x79, 0x7a\n", __func__); |
1068 | } | |
1069 | ||
b44b2e06 | 1070 | static void adv76xx_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c) |
5c6c6349 | 1071 | { |
b44b2e06 | 1072 | struct adv76xx_state *state = to_state(sd); |
5c6c6349 MR |
1073 | u8 gain_buf[4]; |
1074 | u8 gain_man = 1; | |
1075 | u8 agc_mode_man = 1; | |
1076 | ||
1077 | if (auto_gain) { | |
1078 | gain_man = 0; | |
1079 | agc_mode_man = 0; | |
1080 | gain_a = 0x100; | |
1081 | gain_b = 0x100; | |
1082 | gain_c = 0x100; | |
1083 | } | |
1084 | ||
1085 | v4l2_dbg(2, debug, sd, "%s: %s gain: a = 0x%x, b = 0x%x, c = 0x%x\n", | |
1086 | __func__, auto_gain ? "Auto" : "Manual", | |
1087 | gain_a, gain_b, gain_c); | |
1088 | ||
1089 | gain_buf[0] = ((gain_man << 7) | (agc_mode_man << 6) | ((gain_a & 0x3f0) >> 4)); | |
1090 | gain_buf[1] = (((gain_a & 0x00f) << 4) | ((gain_b & 0x3c0) >> 6)); | |
1091 | gain_buf[2] = (((gain_b & 0x03f) << 2) | ((gain_c & 0x300) >> 8)); | |
1092 | gain_buf[3] = ((gain_c & 0x0ff)); | |
1093 | ||
1094 | /* Registers must be written in this order with no i2c access in between */ | |
f862f57d PA |
1095 | if (regmap_raw_write(state->regmap[ADV76XX_PAGE_CP], |
1096 | 0x73, gain_buf, 4)) | |
5c6c6349 MR |
1097 | v4l2_err(sd, "%s: i2c error writing to CP reg 0x73, 0x74, 0x75, 0x76\n", __func__); |
1098 | } | |
1099 | ||
54450f59 HV |
1100 | static void set_rgb_quantization_range(struct v4l2_subdev *sd) |
1101 | { | |
b44b2e06 | 1102 | struct adv76xx_state *state = to_state(sd); |
5c6c6349 MR |
1103 | bool rgb_output = io_read(sd, 0x02) & 0x02; |
1104 | bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80; | |
fd74246d HV |
1105 | u8 y = HDMI_COLORSPACE_RGB; |
1106 | ||
1107 | if (hdmi_signal && (io_read(sd, 0x60) & 1)) | |
1108 | y = infoframe_read(sd, 0x01) >> 5; | |
5c6c6349 MR |
1109 | |
1110 | v4l2_dbg(2, debug, sd, "%s: RGB quantization range: %d, RGB out: %d, HDMI: %d\n", | |
1111 | __func__, state->rgb_quantization_range, | |
1112 | rgb_output, hdmi_signal); | |
54450f59 | 1113 | |
b44b2e06 PA |
1114 | adv76xx_set_gain(sd, true, 0x0, 0x0, 0x0); |
1115 | adv76xx_set_offset(sd, true, 0x0, 0x0, 0x0); | |
fd74246d | 1116 | io_write_clr_set(sd, 0x02, 0x04, rgb_output ? 0 : 4); |
9833239e | 1117 | |
54450f59 HV |
1118 | switch (state->rgb_quantization_range) { |
1119 | case V4L2_DV_RGB_RANGE_AUTO: | |
c784b1e2 | 1120 | if (state->selected_input == ADV7604_PAD_VGA_RGB) { |
9833239e MR |
1121 | /* Receiving analog RGB signal |
1122 | * Set RGB full range (0-255) */ | |
22d97e56 | 1123 | io_write_clr_set(sd, 0x02, 0xf0, 0x10); |
9833239e MR |
1124 | break; |
1125 | } | |
1126 | ||
c784b1e2 | 1127 | if (state->selected_input == ADV7604_PAD_VGA_COMP) { |
9833239e MR |
1128 | /* Receiving analog YPbPr signal |
1129 | * Set automode */ | |
22d97e56 | 1130 | io_write_clr_set(sd, 0x02, 0xf0, 0xf0); |
9833239e MR |
1131 | break; |
1132 | } | |
1133 | ||
5c6c6349 | 1134 | if (hdmi_signal) { |
9833239e MR |
1135 | /* Receiving HDMI signal |
1136 | * Set automode */ | |
22d97e56 | 1137 | io_write_clr_set(sd, 0x02, 0xf0, 0xf0); |
9833239e MR |
1138 | break; |
1139 | } | |
1140 | ||
1141 | /* Receiving DVI-D signal | |
1142 | * ADV7604 selects RGB limited range regardless of | |
1143 | * input format (CE/IT) in automatic mode */ | |
680fee04 | 1144 | if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) { |
9833239e | 1145 | /* RGB limited range (16-235) */ |
22d97e56 | 1146 | io_write_clr_set(sd, 0x02, 0xf0, 0x00); |
9833239e MR |
1147 | } else { |
1148 | /* RGB full range (0-255) */ | |
22d97e56 | 1149 | io_write_clr_set(sd, 0x02, 0xf0, 0x10); |
5c6c6349 MR |
1150 | |
1151 | if (is_digital_input(sd) && rgb_output) { | |
b44b2e06 | 1152 | adv76xx_set_offset(sd, false, 0x40, 0x40, 0x40); |
5c6c6349 | 1153 | } else { |
b44b2e06 PA |
1154 | adv76xx_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
1155 | adv76xx_set_offset(sd, false, 0x70, 0x70, 0x70); | |
5c6c6349 | 1156 | } |
54450f59 HV |
1157 | } |
1158 | break; | |
1159 | case V4L2_DV_RGB_RANGE_LIMITED: | |
c784b1e2 | 1160 | if (state->selected_input == ADV7604_PAD_VGA_COMP) { |
d261e842 | 1161 | /* YCrCb limited range (16-235) */ |
22d97e56 | 1162 | io_write_clr_set(sd, 0x02, 0xf0, 0x20); |
5c6c6349 | 1163 | break; |
d261e842 | 1164 | } |
5c6c6349 | 1165 | |
fd74246d HV |
1166 | if (y != HDMI_COLORSPACE_RGB) |
1167 | break; | |
1168 | ||
5c6c6349 | 1169 | /* RGB limited range (16-235) */ |
22d97e56 | 1170 | io_write_clr_set(sd, 0x02, 0xf0, 0x00); |
5c6c6349 | 1171 | |
54450f59 HV |
1172 | break; |
1173 | case V4L2_DV_RGB_RANGE_FULL: | |
c784b1e2 | 1174 | if (state->selected_input == ADV7604_PAD_VGA_COMP) { |
d261e842 | 1175 | /* YCrCb full range (0-255) */ |
22d97e56 | 1176 | io_write_clr_set(sd, 0x02, 0xf0, 0x60); |
5c6c6349 MR |
1177 | break; |
1178 | } | |
1179 | ||
fd74246d HV |
1180 | if (y != HDMI_COLORSPACE_RGB) |
1181 | break; | |
1182 | ||
5c6c6349 | 1183 | /* RGB full range (0-255) */ |
22d97e56 | 1184 | io_write_clr_set(sd, 0x02, 0xf0, 0x10); |
5c6c6349 MR |
1185 | |
1186 | if (is_analog_input(sd) || hdmi_signal) | |
1187 | break; | |
1188 | ||
1189 | /* Adjust gain/offset for DVI-D signals only */ | |
1190 | if (rgb_output) { | |
b44b2e06 | 1191 | adv76xx_set_offset(sd, false, 0x40, 0x40, 0x40); |
d261e842 | 1192 | } else { |
b44b2e06 PA |
1193 | adv76xx_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
1194 | adv76xx_set_offset(sd, false, 0x70, 0x70, 0x70); | |
d261e842 | 1195 | } |
54450f59 HV |
1196 | break; |
1197 | } | |
1198 | } | |
1199 | ||
b44b2e06 | 1200 | static int adv76xx_s_ctrl(struct v4l2_ctrl *ctrl) |
54450f59 | 1201 | { |
c269887c | 1202 | struct v4l2_subdev *sd = |
b44b2e06 | 1203 | &container_of(ctrl->handler, struct adv76xx_state, hdl)->sd; |
c269887c | 1204 | |
b44b2e06 | 1205 | struct adv76xx_state *state = to_state(sd); |
54450f59 HV |
1206 | |
1207 | switch (ctrl->id) { | |
1208 | case V4L2_CID_BRIGHTNESS: | |
1209 | cp_write(sd, 0x3c, ctrl->val); | |
1210 | return 0; | |
1211 | case V4L2_CID_CONTRAST: | |
1212 | cp_write(sd, 0x3a, ctrl->val); | |
1213 | return 0; | |
1214 | case V4L2_CID_SATURATION: | |
1215 | cp_write(sd, 0x3b, ctrl->val); | |
1216 | return 0; | |
1217 | case V4L2_CID_HUE: | |
1218 | cp_write(sd, 0x3d, ctrl->val); | |
1219 | return 0; | |
1220 | case V4L2_CID_DV_RX_RGB_RANGE: | |
1221 | state->rgb_quantization_range = ctrl->val; | |
1222 | set_rgb_quantization_range(sd); | |
1223 | return 0; | |
1224 | case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE: | |
b44b2e06 | 1225 | if (!adv76xx_has_afe(state)) |
d42010a1 | 1226 | return -EINVAL; |
54450f59 HV |
1227 | /* Set the analog sampling phase. This is needed to find the |
1228 | best sampling phase for analog video: an application or | |
1229 | driver has to try a number of phases and analyze the picture | |
1230 | quality before settling on the best performing phase. */ | |
1231 | afe_write(sd, 0xc8, ctrl->val); | |
1232 | return 0; | |
1233 | case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL: | |
1234 | /* Use the default blue color for free running mode, | |
1235 | or supply your own. */ | |
22d97e56 | 1236 | cp_write_clr_set(sd, 0xbf, 0x04, ctrl->val << 2); |
54450f59 HV |
1237 | return 0; |
1238 | case V4L2_CID_ADV_RX_FREE_RUN_COLOR: | |
1239 | cp_write(sd, 0xc0, (ctrl->val & 0xff0000) >> 16); | |
1240 | cp_write(sd, 0xc1, (ctrl->val & 0x00ff00) >> 8); | |
1241 | cp_write(sd, 0xc2, (u8)(ctrl->val & 0x0000ff)); | |
1242 | return 0; | |
1243 | } | |
1244 | return -EINVAL; | |
1245 | } | |
1246 | ||
297a4144 HV |
1247 | static int adv76xx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
1248 | { | |
1249 | struct v4l2_subdev *sd = | |
1250 | &container_of(ctrl->handler, struct adv76xx_state, hdl)->sd; | |
1251 | ||
1252 | if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) { | |
1253 | ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC; | |
1254 | if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80)) | |
1255 | ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3; | |
1256 | return 0; | |
1257 | } | |
1258 | return -EINVAL; | |
1259 | } | |
1260 | ||
54450f59 HV |
1261 | /* ----------------------------------------------------------------------- */ |
1262 | ||
1263 | static inline bool no_power(struct v4l2_subdev *sd) | |
1264 | { | |
1265 | /* Entire chip or CP powered off */ | |
1266 | return io_read(sd, 0x0c) & 0x24; | |
1267 | } | |
1268 | ||
1269 | static inline bool no_signal_tmds(struct v4l2_subdev *sd) | |
1270 | { | |
b44b2e06 | 1271 | struct adv76xx_state *state = to_state(sd); |
4a31a93a MR |
1272 | |
1273 | return !(io_read(sd, 0x6a) & (0x10 >> state->selected_input)); | |
54450f59 HV |
1274 | } |
1275 | ||
1276 | static inline bool no_lock_tmds(struct v4l2_subdev *sd) | |
1277 | { | |
b44b2e06 PA |
1278 | struct adv76xx_state *state = to_state(sd); |
1279 | const struct adv76xx_chip_info *info = state->info; | |
d42010a1 LPC |
1280 | |
1281 | return (io_read(sd, 0x6a) & info->tdms_lock_mask) != info->tdms_lock_mask; | |
54450f59 HV |
1282 | } |
1283 | ||
bb88f325 MB |
1284 | static inline bool is_hdmi(struct v4l2_subdev *sd) |
1285 | { | |
1286 | return hdmi_read(sd, 0x05) & 0x80; | |
1287 | } | |
1288 | ||
54450f59 HV |
1289 | static inline bool no_lock_sspd(struct v4l2_subdev *sd) |
1290 | { | |
b44b2e06 | 1291 | struct adv76xx_state *state = to_state(sd); |
d42010a1 LPC |
1292 | |
1293 | /* | |
1294 | * Chips without a AFE don't expose registers for the SSPD, so just assume | |
1295 | * that we have a lock. | |
1296 | */ | |
b44b2e06 | 1297 | if (adv76xx_has_afe(state)) |
d42010a1 LPC |
1298 | return false; |
1299 | ||
54450f59 HV |
1300 | /* TODO channel 2 */ |
1301 | return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0); | |
1302 | } | |
1303 | ||
1304 | static inline bool no_lock_stdi(struct v4l2_subdev *sd) | |
1305 | { | |
1306 | /* TODO channel 2 */ | |
1307 | return !(cp_read(sd, 0xb1) & 0x80); | |
1308 | } | |
1309 | ||
1310 | static inline bool no_signal(struct v4l2_subdev *sd) | |
1311 | { | |
54450f59 HV |
1312 | bool ret; |
1313 | ||
1314 | ret = no_power(sd); | |
1315 | ||
1316 | ret |= no_lock_stdi(sd); | |
1317 | ret |= no_lock_sspd(sd); | |
1318 | ||
4a31a93a | 1319 | if (is_digital_input(sd)) { |
54450f59 HV |
1320 | ret |= no_lock_tmds(sd); |
1321 | ret |= no_signal_tmds(sd); | |
1322 | } | |
1323 | ||
1324 | return ret; | |
1325 | } | |
1326 | ||
1327 | static inline bool no_lock_cp(struct v4l2_subdev *sd) | |
1328 | { | |
b44b2e06 | 1329 | struct adv76xx_state *state = to_state(sd); |
d42010a1 | 1330 | |
b44b2e06 | 1331 | if (!adv76xx_has_afe(state)) |
d42010a1 LPC |
1332 | return false; |
1333 | ||
54450f59 HV |
1334 | /* CP has detected a non standard number of lines on the incoming |
1335 | video compared to what it is configured to receive by s_dv_timings */ | |
1336 | return io_read(sd, 0x12) & 0x01; | |
1337 | } | |
1338 | ||
58514625 | 1339 | static inline bool in_free_run(struct v4l2_subdev *sd) |
1340 | { | |
1341 | return cp_read(sd, 0xff) & 0x10; | |
1342 | } | |
1343 | ||
b44b2e06 | 1344 | static int adv76xx_g_input_status(struct v4l2_subdev *sd, u32 *status) |
54450f59 | 1345 | { |
54450f59 HV |
1346 | *status = 0; |
1347 | *status |= no_power(sd) ? V4L2_IN_ST_NO_POWER : 0; | |
1348 | *status |= no_signal(sd) ? V4L2_IN_ST_NO_SIGNAL : 0; | |
58514625 | 1349 | if (!in_free_run(sd) && no_lock_cp(sd)) |
1350 | *status |= is_digital_input(sd) ? | |
1351 | V4L2_IN_ST_NO_SYNC : V4L2_IN_ST_NO_H_LOCK; | |
54450f59 HV |
1352 | |
1353 | v4l2_dbg(1, debug, sd, "%s: status = 0x%x\n", __func__, *status); | |
1354 | ||
1355 | return 0; | |
1356 | } | |
1357 | ||
1358 | /* ----------------------------------------------------------------------- */ | |
1359 | ||
54450f59 HV |
1360 | struct stdi_readback { |
1361 | u16 bl, lcf, lcvs; | |
1362 | u8 hs_pol, vs_pol; | |
1363 | bool interlaced; | |
1364 | }; | |
1365 | ||
1366 | static int stdi2dv_timings(struct v4l2_subdev *sd, | |
1367 | struct stdi_readback *stdi, | |
1368 | struct v4l2_dv_timings *timings) | |
1369 | { | |
b44b2e06 PA |
1370 | struct adv76xx_state *state = to_state(sd); |
1371 | u32 hfreq = (ADV76XX_FSC * 8) / stdi->bl; | |
54450f59 HV |
1372 | u32 pix_clk; |
1373 | int i; | |
1374 | ||
bd3e275f JMH |
1375 | for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) { |
1376 | const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; | |
1377 | ||
1378 | if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i], | |
9c41e690 | 1379 | adv76xx_get_dv_timings_cap(sd, -1), |
bd3e275f | 1380 | adv76xx_check_dv_timings, NULL)) |
54450f59 | 1381 | continue; |
bd3e275f JMH |
1382 | if (vtotal(bt) != stdi->lcf + 1) |
1383 | continue; | |
1384 | if (bt->vsync != stdi->lcvs) | |
54450f59 HV |
1385 | continue; |
1386 | ||
bd3e275f | 1387 | pix_clk = hfreq * htotal(bt); |
54450f59 | 1388 | |
bd3e275f JMH |
1389 | if ((pix_clk < bt->pixelclock + 1000000) && |
1390 | (pix_clk > bt->pixelclock - 1000000)) { | |
1391 | *timings = v4l2_dv_timings_presets[i]; | |
54450f59 HV |
1392 | return 0; |
1393 | } | |
1394 | } | |
1395 | ||
5fea1bb7 | 1396 | if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0, |
54450f59 HV |
1397 | (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | |
1398 | (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), | |
061ddda6 | 1399 | false, timings)) |
54450f59 HV |
1400 | return 0; |
1401 | if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs, | |
1402 | (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | | |
1403 | (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), | |
061ddda6 | 1404 | false, state->aspect_ratio, timings)) |
54450f59 HV |
1405 | return 0; |
1406 | ||
ccbd5bc4 HV |
1407 | v4l2_dbg(2, debug, sd, |
1408 | "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n", | |
1409 | __func__, stdi->lcvs, stdi->lcf, stdi->bl, | |
1410 | stdi->hs_pol, stdi->vs_pol); | |
54450f59 HV |
1411 | return -1; |
1412 | } | |
1413 | ||
d42010a1 | 1414 | |
54450f59 HV |
1415 | static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) |
1416 | { | |
b44b2e06 PA |
1417 | struct adv76xx_state *state = to_state(sd); |
1418 | const struct adv76xx_chip_info *info = state->info; | |
4a2ccdd2 LP |
1419 | u8 polarity; |
1420 | ||
54450f59 HV |
1421 | if (no_lock_stdi(sd) || no_lock_sspd(sd)) { |
1422 | v4l2_dbg(2, debug, sd, "%s: STDI and/or SSPD not locked\n", __func__); | |
1423 | return -1; | |
1424 | } | |
1425 | ||
1426 | /* read STDI */ | |
51182a94 | 1427 | stdi->bl = cp_read16(sd, 0xb1, 0x3fff); |
d42010a1 | 1428 | stdi->lcf = cp_read16(sd, info->lcf_reg, 0x7ff); |
54450f59 HV |
1429 | stdi->lcvs = cp_read(sd, 0xb3) >> 3; |
1430 | stdi->interlaced = io_read(sd, 0x12) & 0x10; | |
1431 | ||
b44b2e06 | 1432 | if (adv76xx_has_afe(state)) { |
d42010a1 LPC |
1433 | /* read SSPD */ |
1434 | polarity = cp_read(sd, 0xb5); | |
1435 | if ((polarity & 0x03) == 0x01) { | |
1436 | stdi->hs_pol = polarity & 0x10 | |
1437 | ? (polarity & 0x08 ? '+' : '-') : 'x'; | |
1438 | stdi->vs_pol = polarity & 0x40 | |
1439 | ? (polarity & 0x20 ? '+' : '-') : 'x'; | |
1440 | } else { | |
1441 | stdi->hs_pol = 'x'; | |
1442 | stdi->vs_pol = 'x'; | |
1443 | } | |
54450f59 | 1444 | } else { |
d42010a1 LPC |
1445 | polarity = hdmi_read(sd, 0x05); |
1446 | stdi->hs_pol = polarity & 0x20 ? '+' : '-'; | |
1447 | stdi->vs_pol = polarity & 0x10 ? '+' : '-'; | |
54450f59 HV |
1448 | } |
1449 | ||
1450 | if (no_lock_stdi(sd) || no_lock_sspd(sd)) { | |
1451 | v4l2_dbg(2, debug, sd, | |
1452 | "%s: signal lost during readout of STDI/SSPD\n", __func__); | |
1453 | return -1; | |
1454 | } | |
1455 | ||
1456 | if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) { | |
1457 | v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__); | |
1458 | memset(stdi, 0, sizeof(struct stdi_readback)); | |
1459 | return -1; | |
1460 | } | |
1461 | ||
1462 | v4l2_dbg(2, debug, sd, | |
1463 | "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n", | |
1464 | __func__, stdi->lcf, stdi->bl, stdi->lcvs, | |
1465 | stdi->hs_pol, stdi->vs_pol, | |
1466 | stdi->interlaced ? "interlaced" : "progressive"); | |
1467 | ||
1468 | return 0; | |
1469 | } | |
1470 | ||
b44b2e06 | 1471 | static int adv76xx_enum_dv_timings(struct v4l2_subdev *sd, |
54450f59 HV |
1472 | struct v4l2_enum_dv_timings *timings) |
1473 | { | |
b44b2e06 | 1474 | struct adv76xx_state *state = to_state(sd); |
afec5599 | 1475 | |
afec5599 LP |
1476 | if (timings->pad >= state->source_pad) |
1477 | return -EINVAL; | |
1478 | ||
bd3e275f | 1479 | return v4l2_enum_dv_timings_cap(timings, |
9c41e690 LP |
1480 | adv76xx_get_dv_timings_cap(sd, timings->pad), |
1481 | adv76xx_check_dv_timings, NULL); | |
54450f59 HV |
1482 | } |
1483 | ||
b44b2e06 | 1484 | static int adv76xx_dv_timings_cap(struct v4l2_subdev *sd, |
7515e096 | 1485 | struct v4l2_dv_timings_cap *cap) |
54450f59 | 1486 | { |
b44b2e06 | 1487 | struct adv76xx_state *state = to_state(sd); |
9c41e690 | 1488 | unsigned int pad = cap->pad; |
7515e096 LP |
1489 | |
1490 | if (cap->pad >= state->source_pad) | |
1491 | return -EINVAL; | |
1492 | ||
9c41e690 LP |
1493 | *cap = *adv76xx_get_dv_timings_cap(sd, pad); |
1494 | cap->pad = pad; | |
1495 | ||
54450f59 HV |
1496 | return 0; |
1497 | } | |
1498 | ||
1499 | /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings | |
b44b2e06 PA |
1500 | if the format is listed in adv76xx_timings[] */ |
1501 | static void adv76xx_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, | |
54450f59 HV |
1502 | struct v4l2_dv_timings *timings) |
1503 | { | |
9c41e690 LP |
1504 | v4l2_find_dv_timings_cap(timings, adv76xx_get_dv_timings_cap(sd, -1), |
1505 | is_digital_input(sd) ? 250000 : 1000000, | |
1506 | adv76xx_check_dv_timings, NULL); | |
54450f59 HV |
1507 | } |
1508 | ||
d42010a1 LPC |
1509 | static unsigned int adv7604_read_hdmi_pixelclock(struct v4l2_subdev *sd) |
1510 | { | |
1511 | unsigned int freq; | |
1512 | int a, b; | |
1513 | ||
1514 | a = hdmi_read(sd, 0x06); | |
1515 | b = hdmi_read(sd, 0x3b); | |
1516 | if (a < 0 || b < 0) | |
1517 | return 0; | |
1518 | freq = a * 1000000 + ((b & 0x30) >> 4) * 250000; | |
1519 | ||
1520 | if (is_hdmi(sd)) { | |
1521 | /* adjust for deep color mode */ | |
1522 | unsigned bits_per_channel = ((hdmi_read(sd, 0x0b) & 0x60) >> 4) + 8; | |
1523 | ||
1524 | freq = freq * 8 / bits_per_channel; | |
1525 | } | |
1526 | ||
1527 | return freq; | |
1528 | } | |
1529 | ||
1530 | static unsigned int adv7611_read_hdmi_pixelclock(struct v4l2_subdev *sd) | |
1531 | { | |
1532 | int a, b; | |
1533 | ||
1534 | a = hdmi_read(sd, 0x51); | |
1535 | b = hdmi_read(sd, 0x52); | |
1536 | if (a < 0 || b < 0) | |
1537 | return 0; | |
1538 | return ((a << 1) | (b >> 7)) * 1000000 + (b & 0x7f) * 1000000 / 128; | |
1539 | } | |
1540 | ||
b44b2e06 | 1541 | static int adv76xx_query_dv_timings(struct v4l2_subdev *sd, |
54450f59 HV |
1542 | struct v4l2_dv_timings *timings) |
1543 | { | |
b44b2e06 PA |
1544 | struct adv76xx_state *state = to_state(sd); |
1545 | const struct adv76xx_chip_info *info = state->info; | |
54450f59 HV |
1546 | struct v4l2_bt_timings *bt = &timings->bt; |
1547 | struct stdi_readback stdi; | |
1548 | ||
1549 | if (!timings) | |
1550 | return -EINVAL; | |
1551 | ||
1552 | memset(timings, 0, sizeof(struct v4l2_dv_timings)); | |
1553 | ||
1554 | if (no_signal(sd)) { | |
1e0b9156 | 1555 | state->restart_stdi_once = true; |
54450f59 HV |
1556 | v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); |
1557 | return -ENOLINK; | |
1558 | } | |
1559 | ||
1560 | /* read STDI */ | |
1561 | if (read_stdi(sd, &stdi)) { | |
1562 | v4l2_dbg(1, debug, sd, "%s: STDI/SSPD not locked\n", __func__); | |
1563 | return -ENOLINK; | |
1564 | } | |
1565 | bt->interlaced = stdi.interlaced ? | |
1566 | V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE; | |
1567 | ||
4a31a93a | 1568 | if (is_digital_input(sd)) { |
827c1f52 HV |
1569 | bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80; |
1570 | u8 vic = 0; | |
1571 | u32 w, h; | |
1572 | ||
1573 | w = hdmi_read16(sd, 0x07, info->linewidth_mask); | |
1574 | h = hdmi_read16(sd, 0x09, info->field0_height_mask); | |
1575 | ||
1576 | if (hdmi_signal && (io_read(sd, 0x60) & 1)) | |
1577 | vic = infoframe_read(sd, 0x04); | |
1578 | ||
1579 | if (vic && v4l2_find_dv_timings_cea861_vic(timings, vic) && | |
1580 | bt->width == w && bt->height == h) | |
1581 | goto found; | |
1582 | ||
54450f59 HV |
1583 | timings->type = V4L2_DV_BT_656_1120; |
1584 | ||
827c1f52 HV |
1585 | bt->width = w; |
1586 | bt->height = h; | |
d42010a1 | 1587 | bt->pixelclock = info->read_hdmi_pixelclock(sd); |
5380baaf | 1588 | bt->hfrontporch = hdmi_read16(sd, 0x20, info->hfrontporch_mask); |
1589 | bt->hsync = hdmi_read16(sd, 0x22, info->hsync_mask); | |
1590 | bt->hbackporch = hdmi_read16(sd, 0x24, info->hbackporch_mask); | |
1591 | bt->vfrontporch = hdmi_read16(sd, 0x2a, | |
1592 | info->field0_vfrontporch_mask) / 2; | |
1593 | bt->vsync = hdmi_read16(sd, 0x2e, info->field0_vsync_mask) / 2; | |
1594 | bt->vbackporch = hdmi_read16(sd, 0x32, | |
1595 | info->field0_vbackporch_mask) / 2; | |
54450f59 HV |
1596 | bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) | |
1597 | ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0); | |
1598 | if (bt->interlaced == V4L2_DV_INTERLACED) { | |
5380baaf | 1599 | bt->height += hdmi_read16(sd, 0x0b, |
1600 | info->field1_height_mask); | |
1601 | bt->il_vfrontporch = hdmi_read16(sd, 0x2c, | |
1602 | info->field1_vfrontporch_mask) / 2; | |
1603 | bt->il_vsync = hdmi_read16(sd, 0x30, | |
1604 | info->field1_vsync_mask) / 2; | |
1605 | bt->il_vbackporch = hdmi_read16(sd, 0x34, | |
1606 | info->field1_vbackporch_mask) / 2; | |
54450f59 | 1607 | } |
b44b2e06 | 1608 | adv76xx_fill_optional_dv_timings_fields(sd, timings); |
54450f59 HV |
1609 | } else { |
1610 | /* find format | |
80939647 | 1611 | * Since LCVS values are inaccurate [REF_03, p. 275-276], |
54450f59 HV |
1612 | * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails. |
1613 | */ | |
1614 | if (!stdi2dv_timings(sd, &stdi, timings)) | |
1615 | goto found; | |
1616 | stdi.lcvs += 1; | |
1617 | v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs); | |
1618 | if (!stdi2dv_timings(sd, &stdi, timings)) | |
1619 | goto found; | |
1620 | stdi.lcvs -= 2; | |
1621 | v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs); | |
1622 | if (stdi2dv_timings(sd, &stdi, timings)) { | |
cf9afb1d HV |
1623 | /* |
1624 | * The STDI block may measure wrong values, especially | |
1625 | * for lcvs and lcf. If the driver can not find any | |
1626 | * valid timing, the STDI block is restarted to measure | |
1627 | * the video timings again. The function will return an | |
1628 | * error, but the restart of STDI will generate a new | |
1629 | * STDI interrupt and the format detection process will | |
1630 | * restart. | |
1631 | */ | |
1632 | if (state->restart_stdi_once) { | |
1633 | v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__); | |
1634 | /* TODO restart STDI for Sync Channel 2 */ | |
1635 | /* enter one-shot mode */ | |
22d97e56 | 1636 | cp_write_clr_set(sd, 0x86, 0x06, 0x00); |
cf9afb1d | 1637 | /* trigger STDI restart */ |
22d97e56 | 1638 | cp_write_clr_set(sd, 0x86, 0x06, 0x04); |
cf9afb1d | 1639 | /* reset to continuous mode */ |
22d97e56 | 1640 | cp_write_clr_set(sd, 0x86, 0x06, 0x02); |
cf9afb1d HV |
1641 | state->restart_stdi_once = false; |
1642 | return -ENOLINK; | |
1643 | } | |
54450f59 HV |
1644 | v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__); |
1645 | return -ERANGE; | |
1646 | } | |
cf9afb1d | 1647 | state->restart_stdi_once = true; |
54450f59 HV |
1648 | } |
1649 | found: | |
1650 | ||
1651 | if (no_signal(sd)) { | |
1652 | v4l2_dbg(1, debug, sd, "%s: signal lost during readout\n", __func__); | |
1653 | memset(timings, 0, sizeof(struct v4l2_dv_timings)); | |
1654 | return -ENOLINK; | |
1655 | } | |
1656 | ||
4a31a93a MR |
1657 | if ((is_analog_input(sd) && bt->pixelclock > 170000000) || |
1658 | (is_digital_input(sd) && bt->pixelclock > 225000000)) { | |
54450f59 HV |
1659 | v4l2_dbg(1, debug, sd, "%s: pixelclock out of range %d\n", |
1660 | __func__, (u32)bt->pixelclock); | |
1661 | return -ERANGE; | |
1662 | } | |
1663 | ||
1664 | if (debug > 1) | |
b44b2e06 | 1665 | v4l2_print_dv_timings(sd->name, "adv76xx_query_dv_timings: ", |
11d034c8 | 1666 | timings, true); |
54450f59 HV |
1667 | |
1668 | return 0; | |
1669 | } | |
1670 | ||
b44b2e06 | 1671 | static int adv76xx_s_dv_timings(struct v4l2_subdev *sd, |
54450f59 HV |
1672 | struct v4l2_dv_timings *timings) |
1673 | { | |
b44b2e06 | 1674 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 1675 | struct v4l2_bt_timings *bt; |
ccbd5bc4 | 1676 | int err; |
54450f59 HV |
1677 | |
1678 | if (!timings) | |
1679 | return -EINVAL; | |
1680 | ||
85f9e06c | 1681 | if (v4l2_match_dv_timings(&state->timings, timings, 0, false)) { |
d48eb48c MR |
1682 | v4l2_dbg(1, debug, sd, "%s: no change\n", __func__); |
1683 | return 0; | |
1684 | } | |
1685 | ||
54450f59 HV |
1686 | bt = &timings->bt; |
1687 | ||
9c41e690 | 1688 | if (!v4l2_valid_dv_timings(timings, adv76xx_get_dv_timings_cap(sd, -1), |
bd3e275f | 1689 | adv76xx_check_dv_timings, NULL)) |
54450f59 | 1690 | return -ERANGE; |
ccbd5bc4 | 1691 | |
b44b2e06 | 1692 | adv76xx_fill_optional_dv_timings_fields(sd, timings); |
54450f59 HV |
1693 | |
1694 | state->timings = *timings; | |
1695 | ||
22d97e56 | 1696 | cp_write_clr_set(sd, 0x91, 0x40, bt->interlaced ? 0x40 : 0x00); |
ccbd5bc4 HV |
1697 | |
1698 | /* Use prim_mode and vid_std when available */ | |
1699 | err = configure_predefined_video_timings(sd, timings); | |
1700 | if (err) { | |
1701 | /* custom settings when the video format | |
1702 | does not have prim_mode/vid_std */ | |
1703 | configure_custom_video_timings(sd, bt); | |
1704 | } | |
54450f59 HV |
1705 | |
1706 | set_rgb_quantization_range(sd); | |
1707 | ||
54450f59 | 1708 | if (debug > 1) |
b44b2e06 | 1709 | v4l2_print_dv_timings(sd->name, "adv76xx_s_dv_timings: ", |
11d034c8 | 1710 | timings, true); |
54450f59 HV |
1711 | return 0; |
1712 | } | |
1713 | ||
b44b2e06 | 1714 | static int adv76xx_g_dv_timings(struct v4l2_subdev *sd, |
54450f59 HV |
1715 | struct v4l2_dv_timings *timings) |
1716 | { | |
b44b2e06 | 1717 | struct adv76xx_state *state = to_state(sd); |
54450f59 HV |
1718 | |
1719 | *timings = state->timings; | |
1720 | return 0; | |
1721 | } | |
1722 | ||
d42010a1 LPC |
1723 | static void adv7604_set_termination(struct v4l2_subdev *sd, bool enable) |
1724 | { | |
1725 | hdmi_write(sd, 0x01, enable ? 0x00 : 0x78); | |
1726 | } | |
1727 | ||
1728 | static void adv7611_set_termination(struct v4l2_subdev *sd, bool enable) | |
1729 | { | |
1730 | hdmi_write(sd, 0x83, enable ? 0xfe : 0xff); | |
1731 | } | |
1732 | ||
6b0d5d34 | 1733 | static void enable_input(struct v4l2_subdev *sd) |
54450f59 | 1734 | { |
b44b2e06 | 1735 | struct adv76xx_state *state = to_state(sd); |
6b0d5d34 | 1736 | |
4a31a93a | 1737 | if (is_analog_input(sd)) { |
54450f59 | 1738 | io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */ |
4a31a93a | 1739 | } else if (is_digital_input(sd)) { |
22d97e56 | 1740 | hdmi_write_clr_set(sd, 0x00, 0x03, state->selected_input); |
d42010a1 | 1741 | state->info->set_termination(sd, true); |
54450f59 | 1742 | io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */ |
22d97e56 | 1743 | hdmi_write_clr_set(sd, 0x1a, 0x10, 0x00); /* Unmute audio */ |
4a31a93a MR |
1744 | } else { |
1745 | v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", | |
1746 | __func__, state->selected_input); | |
54450f59 HV |
1747 | } |
1748 | } | |
1749 | ||
1750 | static void disable_input(struct v4l2_subdev *sd) | |
1751 | { | |
b44b2e06 | 1752 | struct adv76xx_state *state = to_state(sd); |
d42010a1 | 1753 | |
22d97e56 | 1754 | hdmi_write_clr_set(sd, 0x1a, 0x10, 0x10); /* Mute audio */ |
5474b983 | 1755 | msleep(16); /* 512 samples with >= 32 kHz sample rate [REF_03, c. 7.16.10] */ |
54450f59 | 1756 | io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */ |
d42010a1 | 1757 | state->info->set_termination(sd, false); |
54450f59 HV |
1758 | } |
1759 | ||
6b0d5d34 | 1760 | static void select_input(struct v4l2_subdev *sd) |
54450f59 | 1761 | { |
b44b2e06 PA |
1762 | struct adv76xx_state *state = to_state(sd); |
1763 | const struct adv76xx_chip_info *info = state->info; | |
54450f59 | 1764 | |
4a31a93a | 1765 | if (is_analog_input(sd)) { |
b44b2e06 | 1766 | adv76xx_write_reg_seq(sd, info->recommended_settings[0]); |
54450f59 HV |
1767 | |
1768 | afe_write(sd, 0x00, 0x08); /* power up ADC */ | |
1769 | afe_write(sd, 0x01, 0x06); /* power up Analog Front End */ | |
1770 | afe_write(sd, 0xc8, 0x00); /* phase control */ | |
4a31a93a MR |
1771 | } else if (is_digital_input(sd)) { |
1772 | hdmi_write(sd, 0x00, state->selected_input & 0x03); | |
54450f59 | 1773 | |
b44b2e06 | 1774 | adv76xx_write_reg_seq(sd, info->recommended_settings[1]); |
d42010a1 | 1775 | |
b44b2e06 | 1776 | if (adv76xx_has_afe(state)) { |
d42010a1 LPC |
1777 | afe_write(sd, 0x00, 0xff); /* power down ADC */ |
1778 | afe_write(sd, 0x01, 0xfe); /* power down Analog Front End */ | |
1779 | afe_write(sd, 0xc8, 0x40); /* phase control */ | |
1780 | } | |
1781 | ||
54450f59 HV |
1782 | cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */ |
1783 | cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */ | |
1784 | cp_write(sd, 0x40, 0x80); /* CP core pre-gain control. Graphics mode */ | |
4a31a93a MR |
1785 | } else { |
1786 | v4l2_dbg(2, debug, sd, "%s: Unknown port %d selected\n", | |
1787 | __func__, state->selected_input); | |
54450f59 HV |
1788 | } |
1789 | } | |
1790 | ||
b44b2e06 | 1791 | static int adv76xx_s_routing(struct v4l2_subdev *sd, |
54450f59 HV |
1792 | u32 input, u32 output, u32 config) |
1793 | { | |
b44b2e06 | 1794 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 1795 | |
ff4f80fd MR |
1796 | v4l2_dbg(2, debug, sd, "%s: input %d, selected input %d", |
1797 | __func__, input, state->selected_input); | |
1798 | ||
1799 | if (input == state->selected_input) | |
1800 | return 0; | |
54450f59 | 1801 | |
d42010a1 LPC |
1802 | if (input > state->info->max_port) |
1803 | return -EINVAL; | |
1804 | ||
4a31a93a | 1805 | state->selected_input = input; |
54450f59 HV |
1806 | |
1807 | disable_input(sd); | |
6b0d5d34 | 1808 | select_input(sd); |
6b0d5d34 | 1809 | enable_input(sd); |
54450f59 | 1810 | |
6f5bcfc3 LPC |
1811 | v4l2_subdev_notify_event(sd, &adv76xx_ev_fmt); |
1812 | ||
54450f59 HV |
1813 | return 0; |
1814 | } | |
1815 | ||
b44b2e06 | 1816 | static int adv76xx_enum_mbus_code(struct v4l2_subdev *sd, |
f7234138 | 1817 | struct v4l2_subdev_pad_config *cfg, |
539b33b0 | 1818 | struct v4l2_subdev_mbus_code_enum *code) |
54450f59 | 1819 | { |
b44b2e06 | 1820 | struct adv76xx_state *state = to_state(sd); |
539b33b0 LP |
1821 | |
1822 | if (code->index >= state->info->nformats) | |
54450f59 | 1823 | return -EINVAL; |
539b33b0 LP |
1824 | |
1825 | code->code = state->info->formats[code->index].code; | |
1826 | ||
54450f59 HV |
1827 | return 0; |
1828 | } | |
1829 | ||
b44b2e06 | 1830 | static void adv76xx_fill_format(struct adv76xx_state *state, |
539b33b0 | 1831 | struct v4l2_mbus_framefmt *format) |
54450f59 | 1832 | { |
539b33b0 | 1833 | memset(format, 0, sizeof(*format)); |
54450f59 | 1834 | |
539b33b0 LP |
1835 | format->width = state->timings.bt.width; |
1836 | format->height = state->timings.bt.height; | |
1837 | format->field = V4L2_FIELD_NONE; | |
680fee04 | 1838 | format->colorspace = V4L2_COLORSPACE_SRGB; |
539b33b0 | 1839 | |
680fee04 | 1840 | if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) |
539b33b0 | 1841 | format->colorspace = (state->timings.bt.height <= 576) ? |
54450f59 | 1842 | V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709; |
539b33b0 LP |
1843 | } |
1844 | ||
1845 | /* | |
1846 | * Compute the op_ch_sel value required to obtain on the bus the component order | |
1847 | * corresponding to the selected format taking into account bus reordering | |
1848 | * applied by the board at the output of the device. | |
1849 | * | |
1850 | * The following table gives the op_ch_value from the format component order | |
1851 | * (expressed as op_ch_sel value in column) and the bus reordering (expressed as | |
b44b2e06 | 1852 | * adv76xx_bus_order value in row). |
539b33b0 LP |
1853 | * |
1854 | * | GBR(0) GRB(1) BGR(2) RGB(3) BRG(4) RBG(5) | |
1855 | * ----------+------------------------------------------------- | |
1856 | * RGB (NOP) | GBR GRB BGR RGB BRG RBG | |
1857 | * GRB (1-2) | BGR RGB GBR GRB RBG BRG | |
1858 | * RBG (2-3) | GRB GBR BRG RBG BGR RGB | |
1859 | * BGR (1-3) | RBG BRG RGB BGR GRB GBR | |
1860 | * BRG (ROR) | BRG RBG GRB GBR RGB BGR | |
1861 | * GBR (ROL) | RGB BGR RBG BRG GBR GRB | |
1862 | */ | |
b44b2e06 | 1863 | static unsigned int adv76xx_op_ch_sel(struct adv76xx_state *state) |
539b33b0 LP |
1864 | { |
1865 | #define _SEL(a,b,c,d,e,f) { \ | |
b44b2e06 PA |
1866 | ADV76XX_OP_CH_SEL_##a, ADV76XX_OP_CH_SEL_##b, ADV76XX_OP_CH_SEL_##c, \ |
1867 | ADV76XX_OP_CH_SEL_##d, ADV76XX_OP_CH_SEL_##e, ADV76XX_OP_CH_SEL_##f } | |
539b33b0 LP |
1868 | #define _BUS(x) [ADV7604_BUS_ORDER_##x] |
1869 | ||
1870 | static const unsigned int op_ch_sel[6][6] = { | |
1871 | _BUS(RGB) /* NOP */ = _SEL(GBR, GRB, BGR, RGB, BRG, RBG), | |
1872 | _BUS(GRB) /* 1-2 */ = _SEL(BGR, RGB, GBR, GRB, RBG, BRG), | |
1873 | _BUS(RBG) /* 2-3 */ = _SEL(GRB, GBR, BRG, RBG, BGR, RGB), | |
1874 | _BUS(BGR) /* 1-3 */ = _SEL(RBG, BRG, RGB, BGR, GRB, GBR), | |
1875 | _BUS(BRG) /* ROR */ = _SEL(BRG, RBG, GRB, GBR, RGB, BGR), | |
1876 | _BUS(GBR) /* ROL */ = _SEL(RGB, BGR, RBG, BRG, GBR, GRB), | |
1877 | }; | |
1878 | ||
1879 | return op_ch_sel[state->pdata.bus_order][state->format->op_ch_sel >> 5]; | |
1880 | } | |
1881 | ||
b44b2e06 | 1882 | static void adv76xx_setup_format(struct adv76xx_state *state) |
539b33b0 LP |
1883 | { |
1884 | struct v4l2_subdev *sd = &state->sd; | |
1885 | ||
22d97e56 | 1886 | io_write_clr_set(sd, 0x02, 0x02, |
b44b2e06 | 1887 | state->format->rgb_out ? ADV76XX_RGB_OUT : 0); |
539b33b0 LP |
1888 | io_write(sd, 0x03, state->format->op_format_sel | |
1889 | state->pdata.op_format_mode_sel); | |
b44b2e06 | 1890 | io_write_clr_set(sd, 0x04, 0xe0, adv76xx_op_ch_sel(state)); |
22d97e56 | 1891 | io_write_clr_set(sd, 0x05, 0x01, |
b44b2e06 | 1892 | state->format->swap_cb_cr ? ADV76XX_OP_SWAP_CB_CR : 0); |
fd74246d | 1893 | set_rgb_quantization_range(sd); |
539b33b0 LP |
1894 | } |
1895 | ||
f7234138 HV |
1896 | static int adv76xx_get_format(struct v4l2_subdev *sd, |
1897 | struct v4l2_subdev_pad_config *cfg, | |
539b33b0 LP |
1898 | struct v4l2_subdev_format *format) |
1899 | { | |
b44b2e06 | 1900 | struct adv76xx_state *state = to_state(sd); |
539b33b0 LP |
1901 | |
1902 | if (format->pad != state->source_pad) | |
1903 | return -EINVAL; | |
1904 | ||
b44b2e06 | 1905 | adv76xx_fill_format(state, &format->format); |
539b33b0 LP |
1906 | |
1907 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1908 | struct v4l2_mbus_framefmt *fmt; | |
1909 | ||
f7234138 | 1910 | fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
539b33b0 LP |
1911 | format->format.code = fmt->code; |
1912 | } else { | |
1913 | format->format.code = state->format->code; | |
54450f59 | 1914 | } |
539b33b0 LP |
1915 | |
1916 | return 0; | |
1917 | } | |
1918 | ||
b7d4d2f8 UH |
1919 | static int adv76xx_get_selection(struct v4l2_subdev *sd, |
1920 | struct v4l2_subdev_pad_config *cfg, | |
1921 | struct v4l2_subdev_selection *sel) | |
1922 | { | |
1923 | struct adv76xx_state *state = to_state(sd); | |
1924 | ||
1925 | if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) | |
1926 | return -EINVAL; | |
1927 | /* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported */ | |
1928 | if (sel->target > V4L2_SEL_TGT_CROP_BOUNDS) | |
1929 | return -EINVAL; | |
1930 | ||
1931 | sel->r.left = 0; | |
1932 | sel->r.top = 0; | |
1933 | sel->r.width = state->timings.bt.width; | |
1934 | sel->r.height = state->timings.bt.height; | |
1935 | ||
1936 | return 0; | |
1937 | } | |
1938 | ||
f7234138 HV |
1939 | static int adv76xx_set_format(struct v4l2_subdev *sd, |
1940 | struct v4l2_subdev_pad_config *cfg, | |
539b33b0 LP |
1941 | struct v4l2_subdev_format *format) |
1942 | { | |
b44b2e06 PA |
1943 | struct adv76xx_state *state = to_state(sd); |
1944 | const struct adv76xx_format_info *info; | |
539b33b0 LP |
1945 | |
1946 | if (format->pad != state->source_pad) | |
1947 | return -EINVAL; | |
1948 | ||
b44b2e06 | 1949 | info = adv76xx_format_info(state, format->format.code); |
539b33b0 | 1950 | if (info == NULL) |
b44b2e06 | 1951 | info = adv76xx_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8); |
539b33b0 | 1952 | |
b44b2e06 | 1953 | adv76xx_fill_format(state, &format->format); |
539b33b0 LP |
1954 | format->format.code = info->code; |
1955 | ||
1956 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1957 | struct v4l2_mbus_framefmt *fmt; | |
1958 | ||
f7234138 | 1959 | fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
539b33b0 LP |
1960 | fmt->code = format->format.code; |
1961 | } else { | |
1962 | state->format = info; | |
b44b2e06 | 1963 | adv76xx_setup_format(state); |
539b33b0 LP |
1964 | } |
1965 | ||
54450f59 HV |
1966 | return 0; |
1967 | } | |
1968 | ||
41a52373 HV |
1969 | #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) |
1970 | static void adv76xx_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status) | |
1971 | { | |
1972 | struct adv76xx_state *state = to_state(sd); | |
1973 | ||
1974 | if ((cec_read(sd, 0x11) & 0x01) == 0) { | |
1975 | v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__); | |
1976 | return; | |
1977 | } | |
1978 | ||
1979 | if (tx_raw_status & 0x02) { | |
1980 | v4l2_dbg(1, debug, sd, "%s: tx raw: arbitration lost\n", | |
1981 | __func__); | |
1982 | cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST, | |
1983 | 1, 0, 0, 0); | |
1984 | } | |
1985 | if (tx_raw_status & 0x04) { | |
1986 | u8 status; | |
1987 | u8 nack_cnt; | |
1988 | u8 low_drive_cnt; | |
1989 | ||
1990 | v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__); | |
1991 | /* | |
1992 | * We set this status bit since this hardware performs | |
1993 | * retransmissions. | |
1994 | */ | |
1995 | status = CEC_TX_STATUS_MAX_RETRIES; | |
1996 | nack_cnt = cec_read(sd, 0x14) & 0xf; | |
1997 | if (nack_cnt) | |
1998 | status |= CEC_TX_STATUS_NACK; | |
1999 | low_drive_cnt = cec_read(sd, 0x14) >> 4; | |
2000 | if (low_drive_cnt) | |
2001 | status |= CEC_TX_STATUS_LOW_DRIVE; | |
2002 | cec_transmit_done(state->cec_adap, status, | |
2003 | 0, nack_cnt, low_drive_cnt, 0); | |
2004 | return; | |
2005 | } | |
2006 | if (tx_raw_status & 0x01) { | |
2007 | v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__); | |
2008 | cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0); | |
2009 | return; | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | static void adv76xx_cec_isr(struct v4l2_subdev *sd, bool *handled) | |
2014 | { | |
2015 | struct adv76xx_state *state = to_state(sd); | |
2016 | u8 cec_irq; | |
2017 | ||
2018 | /* cec controller */ | |
2019 | cec_irq = io_read(sd, 0x4d) & 0x0f; | |
2020 | if (!cec_irq) | |
2021 | return; | |
2022 | ||
2023 | v4l2_dbg(1, debug, sd, "%s: cec: irq 0x%x\n", __func__, cec_irq); | |
2024 | adv76xx_cec_tx_raw_status(sd, cec_irq); | |
2025 | if (cec_irq & 0x08) { | |
2026 | struct cec_msg msg; | |
2027 | ||
2028 | msg.len = cec_read(sd, 0x25) & 0x1f; | |
2029 | if (msg.len > 16) | |
2030 | msg.len = 16; | |
2031 | ||
2032 | if (msg.len) { | |
2033 | u8 i; | |
2034 | ||
2035 | for (i = 0; i < msg.len; i++) | |
2036 | msg.msg[i] = cec_read(sd, i + 0x15); | |
2037 | cec_write(sd, 0x26, 0x01); /* re-enable rx */ | |
2038 | cec_received_msg(state->cec_adap, &msg); | |
2039 | } | |
2040 | } | |
2041 | ||
2042 | /* note: the bit order is swapped between 0x4d and 0x4e */ | |
2043 | cec_irq = ((cec_irq & 0x08) >> 3) | ((cec_irq & 0x04) >> 1) | | |
2044 | ((cec_irq & 0x02) << 1) | ((cec_irq & 0x01) << 3); | |
2045 | io_write(sd, 0x4e, cec_irq); | |
2046 | ||
2047 | if (handled) | |
2048 | *handled = true; | |
2049 | } | |
2050 | ||
2051 | static int adv76xx_cec_adap_enable(struct cec_adapter *adap, bool enable) | |
2052 | { | |
2053 | struct adv76xx_state *state = adap->priv; | |
2054 | struct v4l2_subdev *sd = &state->sd; | |
2055 | ||
2056 | if (!state->cec_enabled_adap && enable) { | |
2057 | cec_write_clr_set(sd, 0x2a, 0x01, 0x01); /* power up cec */ | |
2058 | cec_write(sd, 0x2c, 0x01); /* cec soft reset */ | |
2059 | cec_write_clr_set(sd, 0x11, 0x01, 0); /* initially disable tx */ | |
2060 | /* enabled irqs: */ | |
2061 | /* tx: ready */ | |
2062 | /* tx: arbitration lost */ | |
2063 | /* tx: retry timeout */ | |
2064 | /* rx: ready */ | |
2065 | io_write_clr_set(sd, 0x50, 0x0f, 0x0f); | |
2066 | cec_write(sd, 0x26, 0x01); /* enable rx */ | |
2067 | } else if (state->cec_enabled_adap && !enable) { | |
2068 | /* disable cec interrupts */ | |
2069 | io_write_clr_set(sd, 0x50, 0x0f, 0x00); | |
2070 | /* disable address mask 1-3 */ | |
2071 | cec_write_clr_set(sd, 0x27, 0x70, 0x00); | |
2072 | /* power down cec section */ | |
2073 | cec_write_clr_set(sd, 0x2a, 0x01, 0x00); | |
2074 | state->cec_valid_addrs = 0; | |
2075 | } | |
2076 | state->cec_enabled_adap = enable; | |
2077 | adv76xx_s_detect_tx_5v_ctrl(sd); | |
2078 | return 0; | |
2079 | } | |
2080 | ||
2081 | static int adv76xx_cec_adap_log_addr(struct cec_adapter *adap, u8 addr) | |
2082 | { | |
2083 | struct adv76xx_state *state = adap->priv; | |
2084 | struct v4l2_subdev *sd = &state->sd; | |
2085 | unsigned int i, free_idx = ADV76XX_MAX_ADDRS; | |
2086 | ||
2087 | if (!state->cec_enabled_adap) | |
2088 | return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO; | |
2089 | ||
2090 | if (addr == CEC_LOG_ADDR_INVALID) { | |
2091 | cec_write_clr_set(sd, 0x27, 0x70, 0); | |
2092 | state->cec_valid_addrs = 0; | |
2093 | return 0; | |
2094 | } | |
2095 | ||
2096 | for (i = 0; i < ADV76XX_MAX_ADDRS; i++) { | |
2097 | bool is_valid = state->cec_valid_addrs & (1 << i); | |
2098 | ||
2099 | if (free_idx == ADV76XX_MAX_ADDRS && !is_valid) | |
2100 | free_idx = i; | |
2101 | if (is_valid && state->cec_addr[i] == addr) | |
2102 | return 0; | |
2103 | } | |
2104 | if (i == ADV76XX_MAX_ADDRS) { | |
2105 | i = free_idx; | |
2106 | if (i == ADV76XX_MAX_ADDRS) | |
2107 | return -ENXIO; | |
2108 | } | |
2109 | state->cec_addr[i] = addr; | |
2110 | state->cec_valid_addrs |= 1 << i; | |
2111 | ||
2112 | switch (i) { | |
2113 | case 0: | |
2114 | /* enable address mask 0 */ | |
2115 | cec_write_clr_set(sd, 0x27, 0x10, 0x10); | |
2116 | /* set address for mask 0 */ | |
2117 | cec_write_clr_set(sd, 0x28, 0x0f, addr); | |
2118 | break; | |
2119 | case 1: | |
2120 | /* enable address mask 1 */ | |
2121 | cec_write_clr_set(sd, 0x27, 0x20, 0x20); | |
2122 | /* set address for mask 1 */ | |
2123 | cec_write_clr_set(sd, 0x28, 0xf0, addr << 4); | |
2124 | break; | |
2125 | case 2: | |
2126 | /* enable address mask 2 */ | |
2127 | cec_write_clr_set(sd, 0x27, 0x40, 0x40); | |
2128 | /* set address for mask 1 */ | |
2129 | cec_write_clr_set(sd, 0x29, 0x0f, addr); | |
2130 | break; | |
2131 | } | |
2132 | return 0; | |
2133 | } | |
2134 | ||
2135 | static int adv76xx_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, | |
2136 | u32 signal_free_time, struct cec_msg *msg) | |
2137 | { | |
2138 | struct adv76xx_state *state = adap->priv; | |
2139 | struct v4l2_subdev *sd = &state->sd; | |
2140 | u8 len = msg->len; | |
2141 | unsigned int i; | |
2142 | ||
2143 | /* | |
2144 | * The number of retries is the number of attempts - 1, but retry | |
2145 | * at least once. It's not clear if a value of 0 is allowed, so | |
2146 | * let's do at least one retry. | |
2147 | */ | |
2148 | cec_write_clr_set(sd, 0x12, 0x70, max(1, attempts - 1) << 4); | |
2149 | ||
2150 | if (len > 16) { | |
2151 | v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len); | |
2152 | return -EINVAL; | |
2153 | } | |
2154 | ||
2155 | /* write data */ | |
2156 | for (i = 0; i < len; i++) | |
2157 | cec_write(sd, i, msg->msg[i]); | |
2158 | ||
2159 | /* set length (data + header) */ | |
2160 | cec_write(sd, 0x10, len); | |
2161 | /* start transmit, enable tx */ | |
2162 | cec_write(sd, 0x11, 0x01); | |
2163 | return 0; | |
2164 | } | |
2165 | ||
2166 | static const struct cec_adap_ops adv76xx_cec_adap_ops = { | |
2167 | .adap_enable = adv76xx_cec_adap_enable, | |
2168 | .adap_log_addr = adv76xx_cec_adap_log_addr, | |
2169 | .adap_transmit = adv76xx_cec_adap_transmit, | |
2170 | }; | |
2171 | #endif | |
2172 | ||
b44b2e06 | 2173 | static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled) |
54450f59 | 2174 | { |
b44b2e06 PA |
2175 | struct adv76xx_state *state = to_state(sd); |
2176 | const struct adv76xx_chip_info *info = state->info; | |
f24d229c MR |
2177 | const u8 irq_reg_0x43 = io_read(sd, 0x43); |
2178 | const u8 irq_reg_0x6b = io_read(sd, 0x6b); | |
2179 | const u8 irq_reg_0x70 = io_read(sd, 0x70); | |
2180 | u8 fmt_change_digital; | |
2181 | u8 fmt_change; | |
2182 | u8 tx_5v; | |
2183 | ||
2184 | if (irq_reg_0x43) | |
2185 | io_write(sd, 0x44, irq_reg_0x43); | |
2186 | if (irq_reg_0x70) | |
2187 | io_write(sd, 0x71, irq_reg_0x70); | |
2188 | if (irq_reg_0x6b) | |
2189 | io_write(sd, 0x6c, irq_reg_0x6b); | |
54450f59 | 2190 | |
ff4f80fd MR |
2191 | v4l2_dbg(2, debug, sd, "%s: ", __func__); |
2192 | ||
54450f59 | 2193 | /* format change */ |
f24d229c | 2194 | fmt_change = irq_reg_0x43 & 0x98; |
d42010a1 LPC |
2195 | fmt_change_digital = is_digital_input(sd) |
2196 | ? irq_reg_0x6b & info->fmt_change_digital_mask | |
2197 | : 0; | |
14d03233 | 2198 | |
54450f59 HV |
2199 | if (fmt_change || fmt_change_digital) { |
2200 | v4l2_dbg(1, debug, sd, | |
25a64ac9 | 2201 | "%s: fmt_change = 0x%x, fmt_change_digital = 0x%x\n", |
54450f59 | 2202 | __func__, fmt_change, fmt_change_digital); |
25a64ac9 | 2203 | |
6f5bcfc3 | 2204 | v4l2_subdev_notify_event(sd, &adv76xx_ev_fmt); |
25a64ac9 | 2205 | |
54450f59 HV |
2206 | if (handled) |
2207 | *handled = true; | |
2208 | } | |
f24d229c MR |
2209 | /* HDMI/DVI mode */ |
2210 | if (irq_reg_0x6b & 0x01) { | |
2211 | v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__, | |
2212 | (io_read(sd, 0x6a) & 0x01) ? "HDMI" : "DVI"); | |
2213 | set_rgb_quantization_range(sd); | |
2214 | if (handled) | |
2215 | *handled = true; | |
2216 | } | |
2217 | ||
41a52373 HV |
2218 | #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) |
2219 | /* cec */ | |
2220 | adv76xx_cec_isr(sd, handled); | |
2221 | #endif | |
2222 | ||
54450f59 | 2223 | /* tx 5v detect */ |
0ba4581c | 2224 | tx_5v = irq_reg_0x70 & info->cable_det_mask; |
54450f59 HV |
2225 | if (tx_5v) { |
2226 | v4l2_dbg(1, debug, sd, "%s: tx_5v: 0x%x\n", __func__, tx_5v); | |
b44b2e06 | 2227 | adv76xx_s_detect_tx_5v_ctrl(sd); |
54450f59 HV |
2228 | if (handled) |
2229 | *handled = true; | |
2230 | } | |
2231 | return 0; | |
2232 | } | |
2233 | ||
b44b2e06 | 2234 | static int adv76xx_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
54450f59 | 2235 | { |
b44b2e06 | 2236 | struct adv76xx_state *state = to_state(sd); |
4a31a93a | 2237 | u8 *data = NULL; |
54450f59 | 2238 | |
dd9ac11a | 2239 | memset(edid->reserved, 0, sizeof(edid->reserved)); |
4a31a93a MR |
2240 | |
2241 | switch (edid->pad) { | |
b44b2e06 | 2242 | case ADV76XX_PAD_HDMI_PORT_A: |
c784b1e2 LP |
2243 | case ADV7604_PAD_HDMI_PORT_B: |
2244 | case ADV7604_PAD_HDMI_PORT_C: | |
2245 | case ADV7604_PAD_HDMI_PORT_D: | |
4a31a93a MR |
2246 | if (state->edid.present & (1 << edid->pad)) |
2247 | data = state->edid.edid; | |
2248 | break; | |
2249 | default: | |
2250 | return -EINVAL; | |
4a31a93a | 2251 | } |
dd9ac11a HV |
2252 | |
2253 | if (edid->start_block == 0 && edid->blocks == 0) { | |
2254 | edid->blocks = data ? state->edid.blocks : 0; | |
2255 | return 0; | |
2256 | } | |
2257 | ||
2258 | if (data == NULL) | |
4a31a93a MR |
2259 | return -ENODATA; |
2260 | ||
dd9ac11a HV |
2261 | if (edid->start_block >= state->edid.blocks) |
2262 | return -EINVAL; | |
2263 | ||
2264 | if (edid->start_block + edid->blocks > state->edid.blocks) | |
2265 | edid->blocks = state->edid.blocks - edid->start_block; | |
2266 | ||
2267 | memcpy(edid->edid, data + edid->start_block * 128, edid->blocks * 128); | |
2268 | ||
54450f59 HV |
2269 | return 0; |
2270 | } | |
2271 | ||
b44b2e06 | 2272 | static int adv76xx_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
54450f59 | 2273 | { |
b44b2e06 PA |
2274 | struct adv76xx_state *state = to_state(sd); |
2275 | const struct adv76xx_chip_info *info = state->info; | |
41a52373 HV |
2276 | unsigned int spa_loc; |
2277 | u16 pa; | |
54450f59 | 2278 | int err; |
dd08beb9 | 2279 | int i; |
54450f59 | 2280 | |
dd9ac11a HV |
2281 | memset(edid->reserved, 0, sizeof(edid->reserved)); |
2282 | ||
c784b1e2 | 2283 | if (edid->pad > ADV7604_PAD_HDMI_PORT_D) |
54450f59 HV |
2284 | return -EINVAL; |
2285 | if (edid->start_block != 0) | |
2286 | return -EINVAL; | |
2287 | if (edid->blocks == 0) { | |
3e86aa85 | 2288 | /* Disable hotplug and I2C access to EDID RAM from DDC port */ |
4a31a93a | 2289 | state->edid.present &= ~(1 << edid->pad); |
b44b2e06 | 2290 | adv76xx_set_hpd(state, state->edid.present); |
22d97e56 | 2291 | rep_write_clr_set(sd, info->edid_enable_reg, 0x0f, state->edid.present); |
3e86aa85 | 2292 | |
54450f59 HV |
2293 | /* Fall back to a 16:9 aspect ratio */ |
2294 | state->aspect_ratio.numerator = 16; | |
2295 | state->aspect_ratio.denominator = 9; | |
3e86aa85 MR |
2296 | |
2297 | if (!state->edid.present) | |
2298 | state->edid.blocks = 0; | |
2299 | ||
2300 | v4l2_dbg(2, debug, sd, "%s: clear EDID pad %d, edid.present = 0x%x\n", | |
2301 | __func__, edid->pad, state->edid.present); | |
54450f59 HV |
2302 | return 0; |
2303 | } | |
4a31a93a MR |
2304 | if (edid->blocks > 2) { |
2305 | edid->blocks = 2; | |
54450f59 | 2306 | return -E2BIG; |
4a31a93a | 2307 | } |
41a52373 HV |
2308 | pa = cec_get_edid_phys_addr(edid->edid, edid->blocks * 128, &spa_loc); |
2309 | err = cec_phys_addr_validate(pa, &pa, NULL); | |
2310 | if (err) | |
2311 | return err; | |
4a31a93a | 2312 | |
dd08beb9 MR |
2313 | v4l2_dbg(2, debug, sd, "%s: write EDID pad %d, edid.present = 0x%x\n", |
2314 | __func__, edid->pad, state->edid.present); | |
2315 | ||
3e86aa85 | 2316 | /* Disable hotplug and I2C access to EDID RAM from DDC port */ |
4a31a93a | 2317 | cancel_delayed_work_sync(&state->delayed_work_enable_hotplug); |
b44b2e06 | 2318 | adv76xx_set_hpd(state, 0); |
22d97e56 | 2319 | rep_write_clr_set(sd, info->edid_enable_reg, 0x0f, 0x00); |
3e86aa85 | 2320 | |
41a52373 HV |
2321 | /* |
2322 | * Return an error if no location of the source physical address | |
2323 | * was found. | |
2324 | */ | |
2325 | if (spa_loc == 0) | |
2326 | return -EINVAL; | |
dd08beb9 | 2327 | |
3e86aa85 | 2328 | switch (edid->pad) { |
b44b2e06 | 2329 | case ADV76XX_PAD_HDMI_PORT_A: |
dd08beb9 MR |
2330 | state->spa_port_a[0] = edid->edid[spa_loc]; |
2331 | state->spa_port_a[1] = edid->edid[spa_loc + 1]; | |
3e86aa85 | 2332 | break; |
c784b1e2 | 2333 | case ADV7604_PAD_HDMI_PORT_B: |
dd08beb9 MR |
2334 | rep_write(sd, 0x70, edid->edid[spa_loc]); |
2335 | rep_write(sd, 0x71, edid->edid[spa_loc + 1]); | |
3e86aa85 | 2336 | break; |
c784b1e2 | 2337 | case ADV7604_PAD_HDMI_PORT_C: |
dd08beb9 MR |
2338 | rep_write(sd, 0x72, edid->edid[spa_loc]); |
2339 | rep_write(sd, 0x73, edid->edid[spa_loc + 1]); | |
3e86aa85 | 2340 | break; |
c784b1e2 | 2341 | case ADV7604_PAD_HDMI_PORT_D: |
dd08beb9 MR |
2342 | rep_write(sd, 0x74, edid->edid[spa_loc]); |
2343 | rep_write(sd, 0x75, edid->edid[spa_loc + 1]); | |
3e86aa85 | 2344 | break; |
dd08beb9 MR |
2345 | default: |
2346 | return -EINVAL; | |
3e86aa85 | 2347 | } |
d42010a1 LPC |
2348 | |
2349 | if (info->type == ADV7604) { | |
2350 | rep_write(sd, 0x76, spa_loc & 0xff); | |
22d97e56 | 2351 | rep_write_clr_set(sd, 0x77, 0x40, (spa_loc & 0x100) >> 2); |
d42010a1 | 2352 | } else { |
b5a442aa UH |
2353 | /* ADV7612 Software Manual Rev. A, p. 15 */ |
2354 | rep_write(sd, 0x70, spa_loc & 0xff); | |
22d97e56 | 2355 | rep_write_clr_set(sd, 0x71, 0x01, (spa_loc & 0x100) >> 8); |
d42010a1 | 2356 | } |
3e86aa85 | 2357 | |
dd08beb9 MR |
2358 | edid->edid[spa_loc] = state->spa_port_a[0]; |
2359 | edid->edid[spa_loc + 1] = state->spa_port_a[1]; | |
4a31a93a MR |
2360 | |
2361 | memcpy(state->edid.edid, edid->edid, 128 * edid->blocks); | |
2362 | state->edid.blocks = edid->blocks; | |
54450f59 HV |
2363 | state->aspect_ratio = v4l2_calc_aspect_ratio(edid->edid[0x15], |
2364 | edid->edid[0x16]); | |
3e86aa85 | 2365 | state->edid.present |= 1 << edid->pad; |
4a31a93a MR |
2366 | |
2367 | err = edid_write_block(sd, 128 * edid->blocks, state->edid.edid); | |
2368 | if (err < 0) { | |
3e86aa85 | 2369 | v4l2_err(sd, "error %d writing edid pad %d\n", err, edid->pad); |
4a31a93a MR |
2370 | return err; |
2371 | } | |
2372 | ||
b44b2e06 | 2373 | /* adv76xx calculates the checksums and enables I2C access to internal |
dd08beb9 | 2374 | EDID RAM from DDC port. */ |
22d97e56 | 2375 | rep_write_clr_set(sd, info->edid_enable_reg, 0x0f, state->edid.present); |
dd08beb9 MR |
2376 | |
2377 | for (i = 0; i < 1000; i++) { | |
d42010a1 | 2378 | if (rep_read(sd, info->edid_status_reg) & state->edid.present) |
dd08beb9 MR |
2379 | break; |
2380 | mdelay(1); | |
2381 | } | |
2382 | if (i == 1000) { | |
2383 | v4l2_err(sd, "error enabling edid (0x%x)\n", state->edid.present); | |
2384 | return -EIO; | |
2385 | } | |
41a52373 | 2386 | cec_s_phys_addr(state->cec_adap, pa, false); |
dd08beb9 | 2387 | |
4a31a93a | 2388 | /* enable hotplug after 100 ms */ |
0423ff9b | 2389 | schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 10); |
4a31a93a | 2390 | return 0; |
54450f59 HV |
2391 | } |
2392 | ||
2393 | /*********** avi info frame CEA-861-E **************/ | |
2394 | ||
516613c1 HV |
2395 | static const struct adv76xx_cfg_read_infoframe adv76xx_cri[] = { |
2396 | { "AVI", 0x01, 0xe0, 0x00 }, | |
2397 | { "Audio", 0x02, 0xe3, 0x1c }, | |
2398 | { "SDP", 0x04, 0xe6, 0x2a }, | |
2399 | { "Vendor", 0x10, 0xec, 0x54 } | |
2400 | }; | |
2401 | ||
2402 | static int adv76xx_read_infoframe(struct v4l2_subdev *sd, int index, | |
2403 | union hdmi_infoframe *frame) | |
54450f59 | 2404 | { |
516613c1 HV |
2405 | uint8_t buffer[32]; |
2406 | u8 len; | |
54450f59 | 2407 | int i; |
54450f59 | 2408 | |
516613c1 HV |
2409 | if (!(io_read(sd, 0x60) & adv76xx_cri[index].present_mask)) { |
2410 | v4l2_info(sd, "%s infoframe not received\n", | |
2411 | adv76xx_cri[index].desc); | |
2412 | return -ENOENT; | |
54450f59 | 2413 | } |
516613c1 HV |
2414 | |
2415 | for (i = 0; i < 3; i++) | |
2416 | buffer[i] = infoframe_read(sd, | |
2417 | adv76xx_cri[index].head_addr + i); | |
2418 | ||
2419 | len = buffer[2] + 1; | |
2420 | ||
2421 | if (len + 3 > sizeof(buffer)) { | |
2422 | v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, | |
2423 | adv76xx_cri[index].desc, len); | |
2424 | return -ENOENT; | |
54450f59 HV |
2425 | } |
2426 | ||
516613c1 HV |
2427 | for (i = 0; i < len; i++) |
2428 | buffer[i + 3] = infoframe_read(sd, | |
2429 | adv76xx_cri[index].payload_addr + i); | |
2430 | ||
2431 | if (hdmi_infoframe_unpack(frame, buffer) < 0) { | |
2432 | v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, | |
2433 | adv76xx_cri[index].desc); | |
2434 | return -ENOENT; | |
54450f59 | 2435 | } |
516613c1 HV |
2436 | return 0; |
2437 | } | |
54450f59 | 2438 | |
516613c1 HV |
2439 | static void adv76xx_log_infoframes(struct v4l2_subdev *sd) |
2440 | { | |
2441 | int i; | |
54450f59 | 2442 | |
516613c1 HV |
2443 | if (!is_hdmi(sd)) { |
2444 | v4l2_info(sd, "receive DVI-D signal, no infoframes\n"); | |
54450f59 | 2445 | return; |
516613c1 | 2446 | } |
54450f59 | 2447 | |
516613c1 HV |
2448 | for (i = 0; i < ARRAY_SIZE(adv76xx_cri); i++) { |
2449 | union hdmi_infoframe frame; | |
2450 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
54450f59 | 2451 | |
516613c1 HV |
2452 | if (adv76xx_read_infoframe(sd, i, &frame)) |
2453 | return; | |
2454 | hdmi_infoframe_log(KERN_INFO, &client->dev, &frame); | |
2455 | } | |
54450f59 HV |
2456 | } |
2457 | ||
b44b2e06 | 2458 | static int adv76xx_log_status(struct v4l2_subdev *sd) |
54450f59 | 2459 | { |
b44b2e06 PA |
2460 | struct adv76xx_state *state = to_state(sd); |
2461 | const struct adv76xx_chip_info *info = state->info; | |
54450f59 HV |
2462 | struct v4l2_dv_timings timings; |
2463 | struct stdi_readback stdi; | |
2464 | u8 reg_io_0x02 = io_read(sd, 0x02); | |
4a2ccdd2 LP |
2465 | u8 edid_enabled; |
2466 | u8 cable_det; | |
54450f59 | 2467 | |
f216ccb3 | 2468 | static const char * const csc_coeff_sel_rb[16] = { |
54450f59 HV |
2469 | "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB", |
2470 | "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709", | |
2471 | "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709", | |
2472 | "reserved", "reserved", "reserved", "reserved", "manual" | |
2473 | }; | |
f216ccb3 | 2474 | static const char * const input_color_space_txt[16] = { |
54450f59 HV |
2475 | "RGB limited range (16-235)", "RGB full range (0-255)", |
2476 | "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", | |
9833239e | 2477 | "xvYCC Bt.601", "xvYCC Bt.709", |
54450f59 HV |
2478 | "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", |
2479 | "invalid", "invalid", "invalid", "invalid", "invalid", | |
2480 | "invalid", "invalid", "automatic" | |
2481 | }; | |
7a5d99e7 HV |
2482 | static const char * const hdmi_color_space_txt[16] = { |
2483 | "RGB limited range (16-235)", "RGB full range (0-255)", | |
2484 | "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", | |
2485 | "xvYCC Bt.601", "xvYCC Bt.709", | |
2486 | "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", | |
2487 | "sYCC", "Adobe YCC 601", "AdobeRGB", "invalid", "invalid", | |
2488 | "invalid", "invalid", "invalid" | |
2489 | }; | |
f216ccb3 | 2490 | static const char * const rgb_quantization_range_txt[] = { |
54450f59 HV |
2491 | "Automatic", |
2492 | "RGB limited range (16-235)", | |
2493 | "RGB full range (0-255)", | |
2494 | }; | |
f216ccb3 | 2495 | static const char * const deep_color_mode_txt[4] = { |
bb88f325 MB |
2496 | "8-bits per channel", |
2497 | "10-bits per channel", | |
2498 | "12-bits per channel", | |
2499 | "16-bits per channel (not supported)" | |
2500 | }; | |
54450f59 HV |
2501 | |
2502 | v4l2_info(sd, "-----Chip status-----\n"); | |
2503 | v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on"); | |
d42010a1 | 2504 | edid_enabled = rep_read(sd, info->edid_status_reg); |
4a31a93a | 2505 | v4l2_info(sd, "EDID enabled port A: %s, B: %s, C: %s, D: %s\n", |
4a2ccdd2 LP |
2506 | ((edid_enabled & 0x01) ? "Yes" : "No"), |
2507 | ((edid_enabled & 0x02) ? "Yes" : "No"), | |
2508 | ((edid_enabled & 0x04) ? "Yes" : "No"), | |
2509 | ((edid_enabled & 0x08) ? "Yes" : "No")); | |
41a52373 | 2510 | v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ? |
54450f59 | 2511 | "enabled" : "disabled"); |
41a52373 HV |
2512 | if (state->cec_enabled_adap) { |
2513 | int i; | |
2514 | ||
2515 | for (i = 0; i < ADV76XX_MAX_ADDRS; i++) { | |
2516 | bool is_valid = state->cec_valid_addrs & (1 << i); | |
2517 | ||
2518 | if (is_valid) | |
2519 | v4l2_info(sd, "CEC Logical Address: 0x%x\n", | |
2520 | state->cec_addr[i]); | |
2521 | } | |
2522 | } | |
54450f59 HV |
2523 | |
2524 | v4l2_info(sd, "-----Signal status-----\n"); | |
d42010a1 | 2525 | cable_det = info->read_cable_det(sd); |
4a31a93a | 2526 | v4l2_info(sd, "Cable detected (+5V power) port A: %s, B: %s, C: %s, D: %s\n", |
d42010a1 LPC |
2527 | ((cable_det & 0x01) ? "Yes" : "No"), |
2528 | ((cable_det & 0x02) ? "Yes" : "No"), | |
4a2ccdd2 | 2529 | ((cable_det & 0x04) ? "Yes" : "No"), |
d42010a1 | 2530 | ((cable_det & 0x08) ? "Yes" : "No")); |
54450f59 HV |
2531 | v4l2_info(sd, "TMDS signal detected: %s\n", |
2532 | no_signal_tmds(sd) ? "false" : "true"); | |
2533 | v4l2_info(sd, "TMDS signal locked: %s\n", | |
2534 | no_lock_tmds(sd) ? "false" : "true"); | |
2535 | v4l2_info(sd, "SSPD locked: %s\n", no_lock_sspd(sd) ? "false" : "true"); | |
2536 | v4l2_info(sd, "STDI locked: %s\n", no_lock_stdi(sd) ? "false" : "true"); | |
2537 | v4l2_info(sd, "CP locked: %s\n", no_lock_cp(sd) ? "false" : "true"); | |
2538 | v4l2_info(sd, "CP free run: %s\n", | |
58514625 | 2539 | (in_free_run(sd)) ? "on" : "off"); |
ccbd5bc4 HV |
2540 | v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n", |
2541 | io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f, | |
2542 | (io_read(sd, 0x01) & 0x70) >> 4); | |
54450f59 HV |
2543 | |
2544 | v4l2_info(sd, "-----Video Timings-----\n"); | |
2545 | if (read_stdi(sd, &stdi)) | |
2546 | v4l2_info(sd, "STDI: not locked\n"); | |
2547 | else | |
2548 | v4l2_info(sd, "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %s, %chsync, %cvsync\n", | |
2549 | stdi.lcf, stdi.bl, stdi.lcvs, | |
2550 | stdi.interlaced ? "interlaced" : "progressive", | |
2551 | stdi.hs_pol, stdi.vs_pol); | |
b44b2e06 | 2552 | if (adv76xx_query_dv_timings(sd, &timings)) |
54450f59 HV |
2553 | v4l2_info(sd, "No video detected\n"); |
2554 | else | |
11d034c8 HV |
2555 | v4l2_print_dv_timings(sd->name, "Detected format: ", |
2556 | &timings, true); | |
2557 | v4l2_print_dv_timings(sd->name, "Configured format: ", | |
2558 | &state->timings, true); | |
54450f59 | 2559 | |
76eb2d30 MR |
2560 | if (no_signal(sd)) |
2561 | return 0; | |
2562 | ||
54450f59 HV |
2563 | v4l2_info(sd, "-----Color space-----\n"); |
2564 | v4l2_info(sd, "RGB quantization range ctrl: %s\n", | |
2565 | rgb_quantization_range_txt[state->rgb_quantization_range]); | |
2566 | v4l2_info(sd, "Input color space: %s\n", | |
2567 | input_color_space_txt[reg_io_0x02 >> 4]); | |
fd74246d | 2568 | v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n", |
54450f59 | 2569 | (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", |
5dd7d88a | 2570 | (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ? |
fd74246d | 2571 | "(16-235)" : "(0-255)", |
7a5d99e7 | 2572 | (reg_io_0x02 & 0x08) ? "enabled" : "disabled"); |
54450f59 | 2573 | v4l2_info(sd, "Color space conversion: %s\n", |
80f4944e | 2574 | csc_coeff_sel_rb[cp_read(sd, info->cp_csc) >> 4]); |
54450f59 | 2575 | |
4a31a93a | 2576 | if (!is_digital_input(sd)) |
76eb2d30 MR |
2577 | return 0; |
2578 | ||
2579 | v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D"); | |
4a31a93a MR |
2580 | v4l2_info(sd, "Digital video port selected: %c\n", |
2581 | (hdmi_read(sd, 0x00) & 0x03) + 'A'); | |
2582 | v4l2_info(sd, "HDCP encrypted content: %s\n", | |
2583 | (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false"); | |
76eb2d30 MR |
2584 | v4l2_info(sd, "HDCP keys read: %s%s\n", |
2585 | (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no", | |
2586 | (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : ""); | |
77639ff2 | 2587 | if (is_hdmi(sd)) { |
76eb2d30 MR |
2588 | bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01; |
2589 | bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01; | |
2590 | bool audio_mute = io_read(sd, 0x65) & 0x40; | |
2591 | ||
2592 | v4l2_info(sd, "Audio: pll %s, samples %s, %s\n", | |
2593 | audio_pll_locked ? "locked" : "not locked", | |
2594 | audio_sample_packet_detect ? "detected" : "not detected", | |
2595 | audio_mute ? "muted" : "enabled"); | |
2596 | if (audio_pll_locked && audio_sample_packet_detect) { | |
2597 | v4l2_info(sd, "Audio format: %s\n", | |
2598 | (hdmi_read(sd, 0x07) & 0x20) ? "multi-channel" : "stereo"); | |
2599 | } | |
2600 | v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) + | |
2601 | (hdmi_read(sd, 0x5c) << 8) + | |
2602 | (hdmi_read(sd, 0x5d) & 0xf0)); | |
2603 | v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) + | |
2604 | (hdmi_read(sd, 0x5e) << 8) + | |
2605 | hdmi_read(sd, 0x5f)); | |
2606 | v4l2_info(sd, "AV Mute: %s\n", (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off"); | |
2607 | ||
2608 | v4l2_info(sd, "Deep color mode: %s\n", deep_color_mode_txt[(hdmi_read(sd, 0x0b) & 0x60) >> 5]); | |
7a5d99e7 | 2609 | v4l2_info(sd, "HDMI colorspace: %s\n", hdmi_color_space_txt[hdmi_read(sd, 0x53) & 0xf]); |
76eb2d30 | 2610 | |
516613c1 | 2611 | adv76xx_log_infoframes(sd); |
54450f59 HV |
2612 | } |
2613 | ||
2614 | return 0; | |
2615 | } | |
2616 | ||
6f5bcfc3 LPC |
2617 | static int adv76xx_subscribe_event(struct v4l2_subdev *sd, |
2618 | struct v4l2_fh *fh, | |
2619 | struct v4l2_event_subscription *sub) | |
2620 | { | |
2621 | switch (sub->type) { | |
2622 | case V4L2_EVENT_SOURCE_CHANGE: | |
2623 | return v4l2_src_change_event_subdev_subscribe(sd, fh, sub); | |
2624 | case V4L2_EVENT_CTRL: | |
2625 | return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub); | |
2626 | default: | |
2627 | return -EINVAL; | |
2628 | } | |
2629 | } | |
2630 | ||
41a52373 HV |
2631 | static int adv76xx_registered(struct v4l2_subdev *sd) |
2632 | { | |
2633 | struct adv76xx_state *state = to_state(sd); | |
f51e8080 | 2634 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
41a52373 HV |
2635 | int err; |
2636 | ||
f51e8080 | 2637 | err = cec_register_adapter(state->cec_adap, &client->dev); |
41a52373 HV |
2638 | if (err) |
2639 | cec_delete_adapter(state->cec_adap); | |
2640 | return err; | |
2641 | } | |
2642 | ||
2643 | static void adv76xx_unregistered(struct v4l2_subdev *sd) | |
2644 | { | |
2645 | struct adv76xx_state *state = to_state(sd); | |
2646 | ||
2647 | cec_unregister_adapter(state->cec_adap); | |
2648 | } | |
2649 | ||
54450f59 HV |
2650 | /* ----------------------------------------------------------------------- */ |
2651 | ||
b44b2e06 PA |
2652 | static const struct v4l2_ctrl_ops adv76xx_ctrl_ops = { |
2653 | .s_ctrl = adv76xx_s_ctrl, | |
297a4144 | 2654 | .g_volatile_ctrl = adv76xx_g_volatile_ctrl, |
54450f59 HV |
2655 | }; |
2656 | ||
b44b2e06 PA |
2657 | static const struct v4l2_subdev_core_ops adv76xx_core_ops = { |
2658 | .log_status = adv76xx_log_status, | |
2659 | .interrupt_service_routine = adv76xx_isr, | |
6f5bcfc3 | 2660 | .subscribe_event = adv76xx_subscribe_event, |
0975626d | 2661 | .unsubscribe_event = v4l2_event_subdev_unsubscribe, |
54450f59 | 2662 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
b44b2e06 PA |
2663 | .g_register = adv76xx_g_register, |
2664 | .s_register = adv76xx_s_register, | |
54450f59 HV |
2665 | #endif |
2666 | }; | |
2667 | ||
b44b2e06 PA |
2668 | static const struct v4l2_subdev_video_ops adv76xx_video_ops = { |
2669 | .s_routing = adv76xx_s_routing, | |
2670 | .g_input_status = adv76xx_g_input_status, | |
2671 | .s_dv_timings = adv76xx_s_dv_timings, | |
2672 | .g_dv_timings = adv76xx_g_dv_timings, | |
2673 | .query_dv_timings = adv76xx_query_dv_timings, | |
54450f59 HV |
2674 | }; |
2675 | ||
b44b2e06 PA |
2676 | static const struct v4l2_subdev_pad_ops adv76xx_pad_ops = { |
2677 | .enum_mbus_code = adv76xx_enum_mbus_code, | |
b7d4d2f8 | 2678 | .get_selection = adv76xx_get_selection, |
b44b2e06 PA |
2679 | .get_fmt = adv76xx_get_format, |
2680 | .set_fmt = adv76xx_set_format, | |
2681 | .get_edid = adv76xx_get_edid, | |
2682 | .set_edid = adv76xx_set_edid, | |
2683 | .dv_timings_cap = adv76xx_dv_timings_cap, | |
2684 | .enum_dv_timings = adv76xx_enum_dv_timings, | |
54450f59 HV |
2685 | }; |
2686 | ||
b44b2e06 PA |
2687 | static const struct v4l2_subdev_ops adv76xx_ops = { |
2688 | .core = &adv76xx_core_ops, | |
2689 | .video = &adv76xx_video_ops, | |
2690 | .pad = &adv76xx_pad_ops, | |
54450f59 HV |
2691 | }; |
2692 | ||
41a52373 HV |
2693 | static const struct v4l2_subdev_internal_ops adv76xx_int_ops = { |
2694 | .registered = adv76xx_registered, | |
2695 | .unregistered = adv76xx_unregistered, | |
2696 | }; | |
2697 | ||
54450f59 HV |
2698 | /* -------------------------- custom ctrls ---------------------------------- */ |
2699 | ||
2700 | static const struct v4l2_ctrl_config adv7604_ctrl_analog_sampling_phase = { | |
b44b2e06 | 2701 | .ops = &adv76xx_ctrl_ops, |
54450f59 HV |
2702 | .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE, |
2703 | .name = "Analog Sampling Phase", | |
2704 | .type = V4L2_CTRL_TYPE_INTEGER, | |
2705 | .min = 0, | |
2706 | .max = 0x1f, | |
2707 | .step = 1, | |
2708 | .def = 0, | |
2709 | }; | |
2710 | ||
b44b2e06 PA |
2711 | static const struct v4l2_ctrl_config adv76xx_ctrl_free_run_color_manual = { |
2712 | .ops = &adv76xx_ctrl_ops, | |
54450f59 HV |
2713 | .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL, |
2714 | .name = "Free Running Color, Manual", | |
2715 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
2716 | .min = false, | |
2717 | .max = true, | |
2718 | .step = 1, | |
2719 | .def = false, | |
2720 | }; | |
2721 | ||
b44b2e06 PA |
2722 | static const struct v4l2_ctrl_config adv76xx_ctrl_free_run_color = { |
2723 | .ops = &adv76xx_ctrl_ops, | |
54450f59 HV |
2724 | .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR, |
2725 | .name = "Free Running Color", | |
2726 | .type = V4L2_CTRL_TYPE_INTEGER, | |
2727 | .min = 0x0, | |
2728 | .max = 0xffffff, | |
2729 | .step = 0x1, | |
2730 | .def = 0x0, | |
2731 | }; | |
2732 | ||
2733 | /* ----------------------------------------------------------------------- */ | |
2734 | ||
b44b2e06 | 2735 | static int adv76xx_core_init(struct v4l2_subdev *sd) |
54450f59 | 2736 | { |
b44b2e06 PA |
2737 | struct adv76xx_state *state = to_state(sd); |
2738 | const struct adv76xx_chip_info *info = state->info; | |
2739 | struct adv76xx_platform_data *pdata = &state->pdata; | |
54450f59 HV |
2740 | |
2741 | hdmi_write(sd, 0x48, | |
2742 | (pdata->disable_pwrdnb ? 0x80 : 0) | | |
2743 | (pdata->disable_cable_det_rst ? 0x40 : 0)); | |
2744 | ||
2745 | disable_input(sd); | |
2746 | ||
5ef54b59 LP |
2747 | if (pdata->default_input >= 0 && |
2748 | pdata->default_input < state->source_pad) { | |
2749 | state->selected_input = pdata->default_input; | |
2750 | select_input(sd); | |
2751 | enable_input(sd); | |
2752 | } | |
2753 | ||
54450f59 HV |
2754 | /* power */ |
2755 | io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */ | |
2756 | io_write(sd, 0x0b, 0x44); /* Power down ESDP block */ | |
2757 | cp_write(sd, 0xcf, 0x01); /* Power down macrovision */ | |
2758 | ||
2759 | /* video format */ | |
fd74246d | 2760 | io_write_clr_set(sd, 0x02, 0x0f, pdata->alt_gamma << 3); |
22d97e56 | 2761 | io_write_clr_set(sd, 0x05, 0x0e, pdata->blank_data << 3 | |
539b33b0 LP |
2762 | pdata->insert_av_codes << 2 | |
2763 | pdata->replicate_av_codes << 1); | |
b44b2e06 | 2764 | adv76xx_setup_format(state); |
54450f59 | 2765 | |
54450f59 | 2766 | cp_write(sd, 0x69, 0x30); /* Enable CP CSC */ |
98908696 MB |
2767 | |
2768 | /* VS, HS polarities */ | |
1b5ab875 LP |
2769 | io_write(sd, 0x06, 0xa0 | pdata->inv_vs_pol << 2 | |
2770 | pdata->inv_hs_pol << 1 | pdata->inv_llc_pol); | |
f31b62e1 MK |
2771 | |
2772 | /* Adjust drive strength */ | |
2773 | io_write(sd, 0x14, 0x40 | pdata->dr_str_data << 4 | | |
2774 | pdata->dr_str_clk << 2 | | |
2775 | pdata->dr_str_sync); | |
2776 | ||
54450f59 HV |
2777 | cp_write(sd, 0xba, (pdata->hdmi_free_run_mode << 1) | 0x01); /* HDMI free run */ |
2778 | cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */ | |
2779 | cp_write(sd, 0xf9, 0x23); /* STDI ch. 1 - LCVS change threshold - | |
80939647 | 2780 | ADI recommended setting [REF_01, c. 2.3.3] */ |
54450f59 | 2781 | cp_write(sd, 0x45, 0x23); /* STDI ch. 2 - LCVS change threshold - |
80939647 | 2782 | ADI recommended setting [REF_01, c. 2.3.3] */ |
54450f59 HV |
2783 | cp_write(sd, 0xc9, 0x2d); /* use prim_mode and vid_std as free run resolution |
2784 | for digital formats */ | |
2785 | ||
5474b983 | 2786 | /* HDMI audio */ |
22d97e56 LP |
2787 | hdmi_write_clr_set(sd, 0x15, 0x03, 0x03); /* Mute on FIFO over-/underflow [REF_01, c. 1.2.18] */ |
2788 | hdmi_write_clr_set(sd, 0x1a, 0x0e, 0x08); /* Wait 1 s before unmute */ | |
2789 | hdmi_write_clr_set(sd, 0x68, 0x06, 0x06); /* FIFO reset on over-/underflow [REF_01, c. 1.2.19] */ | |
5474b983 | 2790 | |
54450f59 HV |
2791 | /* TODO from platform data */ |
2792 | afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */ | |
2793 | ||
b44b2e06 | 2794 | if (adv76xx_has_afe(state)) { |
d42010a1 | 2795 | afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */ |
22d97e56 | 2796 | io_write_clr_set(sd, 0x30, 1 << 4, pdata->output_bus_lsb_to_msb << 4); |
d42010a1 | 2797 | } |
54450f59 | 2798 | |
54450f59 | 2799 | /* interrupts */ |
d42010a1 | 2800 | io_write(sd, 0x40, 0xc0 | pdata->int1_config); /* Configure INT1 */ |
54450f59 | 2801 | io_write(sd, 0x46, 0x98); /* Enable SSPD, STDI and CP unlocked interrupts */ |
d42010a1 LPC |
2802 | io_write(sd, 0x6e, info->fmt_change_digital_mask); /* Enable V_LOCKED and DE_REGEN_LCK interrupts */ |
2803 | io_write(sd, 0x73, info->cable_det_mask); /* Enable cable detection (+5v) interrupts */ | |
2804 | info->setup_irqs(sd); | |
54450f59 HV |
2805 | |
2806 | return v4l2_ctrl_handler_setup(sd->ctrl_handler); | |
2807 | } | |
2808 | ||
d42010a1 LPC |
2809 | static void adv7604_setup_irqs(struct v4l2_subdev *sd) |
2810 | { | |
2811 | io_write(sd, 0x41, 0xd7); /* STDI irq for any change, disable INT2 */ | |
2812 | } | |
2813 | ||
2814 | static void adv7611_setup_irqs(struct v4l2_subdev *sd) | |
2815 | { | |
2816 | io_write(sd, 0x41, 0xd0); /* STDI irq for any change, disable INT2 */ | |
2817 | } | |
2818 | ||
8331d30b WT |
2819 | static void adv7612_setup_irqs(struct v4l2_subdev *sd) |
2820 | { | |
2821 | io_write(sd, 0x41, 0xd0); /* disable INT2 */ | |
2822 | } | |
2823 | ||
b44b2e06 | 2824 | static void adv76xx_unregister_clients(struct adv76xx_state *state) |
54450f59 | 2825 | { |
05cacb17 LP |
2826 | unsigned int i; |
2827 | ||
2828 | for (i = 1; i < ARRAY_SIZE(state->i2c_clients); ++i) { | |
2829 | if (state->i2c_clients[i]) | |
2830 | i2c_unregister_device(state->i2c_clients[i]); | |
2831 | } | |
54450f59 HV |
2832 | } |
2833 | ||
b44b2e06 | 2834 | static struct i2c_client *adv76xx_dummy_client(struct v4l2_subdev *sd, |
54450f59 HV |
2835 | u8 addr, u8 io_reg) |
2836 | { | |
2837 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
2838 | ||
2839 | if (addr) | |
2840 | io_write(sd, io_reg, addr << 1); | |
2841 | return i2c_new_dummy(client->adapter, io_read(sd, io_reg) >> 1); | |
2842 | } | |
2843 | ||
b44b2e06 | 2844 | static const struct adv76xx_reg_seq adv7604_recommended_settings_afe[] = { |
d42010a1 LPC |
2845 | /* reset ADI recommended settings for HDMI: */ |
2846 | /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */ | |
b44b2e06 PA |
2847 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x0d), 0x04 }, /* HDMI filter optimization */ |
2848 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x0d), 0x04 }, /* HDMI filter optimization */ | |
2849 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3d), 0x00 }, /* DDC bus active pull-up control */ | |
2850 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3e), 0x74 }, /* TMDS PLL optimization */ | |
2851 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4e), 0x3b }, /* TMDS PLL optimization */ | |
2852 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0x74 }, /* TMDS PLL optimization */ | |
2853 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x63 }, /* TMDS PLL optimization */ | |
2854 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8d), 0x18 }, /* equaliser */ | |
2855 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8e), 0x34 }, /* equaliser */ | |
2856 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x93), 0x88 }, /* equaliser */ | |
2857 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x94), 0x2e }, /* equaliser */ | |
2858 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x96), 0x00 }, /* enable automatic EQ changing */ | |
d42010a1 LPC |
2859 | |
2860 | /* set ADI recommended settings for digitizer */ | |
2861 | /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 17. */ | |
b44b2e06 PA |
2862 | { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x12), 0x7b }, /* ADC noise shaping filter controls */ |
2863 | { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x0c), 0x1f }, /* CP core gain controls */ | |
2864 | { ADV76XX_REG(ADV76XX_PAGE_CP, 0x3e), 0x04 }, /* CP core pre-gain control */ | |
2865 | { ADV76XX_REG(ADV76XX_PAGE_CP, 0xc3), 0x39 }, /* CP coast control. Graphics mode */ | |
2866 | { ADV76XX_REG(ADV76XX_PAGE_CP, 0x40), 0x5c }, /* CP core pre-gain control. Graphics mode */ | |
d42010a1 | 2867 | |
b44b2e06 | 2868 | { ADV76XX_REG_SEQ_TERM, 0 }, |
d42010a1 LPC |
2869 | }; |
2870 | ||
b44b2e06 | 2871 | static const struct adv76xx_reg_seq adv7604_recommended_settings_hdmi[] = { |
d42010a1 LPC |
2872 | /* set ADI recommended settings for HDMI: */ |
2873 | /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */ | |
b44b2e06 PA |
2874 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x0d), 0x84 }, /* HDMI filter optimization */ |
2875 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3d), 0x10 }, /* DDC bus active pull-up control */ | |
2876 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x3e), 0x39 }, /* TMDS PLL optimization */ | |
2877 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4e), 0x3b }, /* TMDS PLL optimization */ | |
2878 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0xb6 }, /* TMDS PLL optimization */ | |
2879 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x03 }, /* TMDS PLL optimization */ | |
2880 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8d), 0x18 }, /* equaliser */ | |
2881 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8e), 0x34 }, /* equaliser */ | |
2882 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x93), 0x8b }, /* equaliser */ | |
2883 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x94), 0x2d }, /* equaliser */ | |
2884 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x96), 0x01 }, /* enable automatic EQ changing */ | |
d42010a1 LPC |
2885 | |
2886 | /* reset ADI recommended settings for digitizer */ | |
2887 | /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 17. */ | |
b44b2e06 PA |
2888 | { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x12), 0xfb }, /* ADC noise shaping filter controls */ |
2889 | { ADV76XX_REG(ADV76XX_PAGE_AFE, 0x0c), 0x0d }, /* CP core gain controls */ | |
d42010a1 | 2890 | |
b44b2e06 | 2891 | { ADV76XX_REG_SEQ_TERM, 0 }, |
d42010a1 LPC |
2892 | }; |
2893 | ||
b44b2e06 | 2894 | static const struct adv76xx_reg_seq adv7611_recommended_settings_hdmi[] = { |
c41ad9c3 | 2895 | /* ADV7611 Register Settings Recommendations Rev 1.5, May 2014 */ |
b44b2e06 PA |
2896 | { ADV76XX_REG(ADV76XX_PAGE_CP, 0x6c), 0x00 }, |
2897 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x9b), 0x03 }, | |
2898 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x6f), 0x08 }, | |
2899 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x85), 0x1f }, | |
2900 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x87), 0x70 }, | |
2901 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0xda }, | |
2902 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x01 }, | |
2903 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x03), 0x98 }, | |
2904 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4c), 0x44 }, | |
2905 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8d), 0x04 }, | |
2906 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x8e), 0x1e }, | |
2907 | ||
2908 | { ADV76XX_REG_SEQ_TERM, 0 }, | |
d42010a1 LPC |
2909 | }; |
2910 | ||
8331d30b WT |
2911 | static const struct adv76xx_reg_seq adv7612_recommended_settings_hdmi[] = { |
2912 | { ADV76XX_REG(ADV76XX_PAGE_CP, 0x6c), 0x00 }, | |
2913 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x9b), 0x03 }, | |
2914 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x6f), 0x08 }, | |
2915 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x85), 0x1f }, | |
2916 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x87), 0x70 }, | |
2917 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x57), 0xda }, | |
2918 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x58), 0x01 }, | |
2919 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x03), 0x98 }, | |
2920 | { ADV76XX_REG(ADV76XX_PAGE_HDMI, 0x4c), 0x44 }, | |
2921 | { ADV76XX_REG_SEQ_TERM, 0 }, | |
2922 | }; | |
2923 | ||
b44b2e06 | 2924 | static const struct adv76xx_chip_info adv76xx_chip_info[] = { |
d42010a1 LPC |
2925 | [ADV7604] = { |
2926 | .type = ADV7604, | |
2927 | .has_afe = true, | |
c784b1e2 | 2928 | .max_port = ADV7604_PAD_VGA_COMP, |
d42010a1 LPC |
2929 | .num_dv_ports = 4, |
2930 | .edid_enable_reg = 0x77, | |
2931 | .edid_status_reg = 0x7d, | |
2932 | .lcf_reg = 0xb3, | |
2933 | .tdms_lock_mask = 0xe0, | |
2934 | .cable_det_mask = 0x1e, | |
2935 | .fmt_change_digital_mask = 0xc1, | |
80f4944e | 2936 | .cp_csc = 0xfc, |
539b33b0 LP |
2937 | .formats = adv7604_formats, |
2938 | .nformats = ARRAY_SIZE(adv7604_formats), | |
d42010a1 LPC |
2939 | .set_termination = adv7604_set_termination, |
2940 | .setup_irqs = adv7604_setup_irqs, | |
2941 | .read_hdmi_pixelclock = adv7604_read_hdmi_pixelclock, | |
2942 | .read_cable_det = adv7604_read_cable_det, | |
2943 | .recommended_settings = { | |
2944 | [0] = adv7604_recommended_settings_afe, | |
2945 | [1] = adv7604_recommended_settings_hdmi, | |
2946 | }, | |
2947 | .num_recommended_settings = { | |
2948 | [0] = ARRAY_SIZE(adv7604_recommended_settings_afe), | |
2949 | [1] = ARRAY_SIZE(adv7604_recommended_settings_hdmi), | |
2950 | }, | |
b44b2e06 PA |
2951 | .page_mask = BIT(ADV76XX_PAGE_IO) | BIT(ADV7604_PAGE_AVLINK) | |
2952 | BIT(ADV76XX_PAGE_CEC) | BIT(ADV76XX_PAGE_INFOFRAME) | | |
d42010a1 | 2953 | BIT(ADV7604_PAGE_ESDP) | BIT(ADV7604_PAGE_DPP) | |
b44b2e06 PA |
2954 | BIT(ADV76XX_PAGE_AFE) | BIT(ADV76XX_PAGE_REP) | |
2955 | BIT(ADV76XX_PAGE_EDID) | BIT(ADV76XX_PAGE_HDMI) | | |
2956 | BIT(ADV76XX_PAGE_TEST) | BIT(ADV76XX_PAGE_CP) | | |
d42010a1 | 2957 | BIT(ADV7604_PAGE_VDP), |
5380baaf | 2958 | .linewidth_mask = 0xfff, |
2959 | .field0_height_mask = 0xfff, | |
2960 | .field1_height_mask = 0xfff, | |
2961 | .hfrontporch_mask = 0x3ff, | |
2962 | .hsync_mask = 0x3ff, | |
2963 | .hbackporch_mask = 0x3ff, | |
2964 | .field0_vfrontporch_mask = 0x1fff, | |
2965 | .field0_vsync_mask = 0x1fff, | |
2966 | .field0_vbackporch_mask = 0x1fff, | |
2967 | .field1_vfrontporch_mask = 0x1fff, | |
2968 | .field1_vsync_mask = 0x1fff, | |
2969 | .field1_vbackporch_mask = 0x1fff, | |
d42010a1 LPC |
2970 | }, |
2971 | [ADV7611] = { | |
2972 | .type = ADV7611, | |
2973 | .has_afe = false, | |
b44b2e06 | 2974 | .max_port = ADV76XX_PAD_HDMI_PORT_A, |
d42010a1 LPC |
2975 | .num_dv_ports = 1, |
2976 | .edid_enable_reg = 0x74, | |
2977 | .edid_status_reg = 0x76, | |
2978 | .lcf_reg = 0xa3, | |
2979 | .tdms_lock_mask = 0x43, | |
2980 | .cable_det_mask = 0x01, | |
2981 | .fmt_change_digital_mask = 0x03, | |
80f4944e | 2982 | .cp_csc = 0xf4, |
539b33b0 LP |
2983 | .formats = adv7611_formats, |
2984 | .nformats = ARRAY_SIZE(adv7611_formats), | |
d42010a1 LPC |
2985 | .set_termination = adv7611_set_termination, |
2986 | .setup_irqs = adv7611_setup_irqs, | |
2987 | .read_hdmi_pixelclock = adv7611_read_hdmi_pixelclock, | |
2988 | .read_cable_det = adv7611_read_cable_det, | |
2989 | .recommended_settings = { | |
2990 | [1] = adv7611_recommended_settings_hdmi, | |
2991 | }, | |
2992 | .num_recommended_settings = { | |
2993 | [1] = ARRAY_SIZE(adv7611_recommended_settings_hdmi), | |
2994 | }, | |
b44b2e06 PA |
2995 | .page_mask = BIT(ADV76XX_PAGE_IO) | BIT(ADV76XX_PAGE_CEC) | |
2996 | BIT(ADV76XX_PAGE_INFOFRAME) | BIT(ADV76XX_PAGE_AFE) | | |
2997 | BIT(ADV76XX_PAGE_REP) | BIT(ADV76XX_PAGE_EDID) | | |
2998 | BIT(ADV76XX_PAGE_HDMI) | BIT(ADV76XX_PAGE_CP), | |
5380baaf | 2999 | .linewidth_mask = 0x1fff, |
3000 | .field0_height_mask = 0x1fff, | |
3001 | .field1_height_mask = 0x1fff, | |
3002 | .hfrontporch_mask = 0x1fff, | |
3003 | .hsync_mask = 0x1fff, | |
3004 | .hbackporch_mask = 0x1fff, | |
3005 | .field0_vfrontporch_mask = 0x3fff, | |
3006 | .field0_vsync_mask = 0x3fff, | |
3007 | .field0_vbackporch_mask = 0x3fff, | |
3008 | .field1_vfrontporch_mask = 0x3fff, | |
3009 | .field1_vsync_mask = 0x3fff, | |
3010 | .field1_vbackporch_mask = 0x3fff, | |
d42010a1 | 3011 | }, |
8331d30b WT |
3012 | [ADV7612] = { |
3013 | .type = ADV7612, | |
3014 | .has_afe = false, | |
7111cddd WT |
3015 | .max_port = ADV76XX_PAD_HDMI_PORT_A, /* B not supported */ |
3016 | .num_dv_ports = 1, /* normally 2 */ | |
8331d30b WT |
3017 | .edid_enable_reg = 0x74, |
3018 | .edid_status_reg = 0x76, | |
3019 | .lcf_reg = 0xa3, | |
3020 | .tdms_lock_mask = 0x43, | |
3021 | .cable_det_mask = 0x01, | |
3022 | .fmt_change_digital_mask = 0x03, | |
7111cddd | 3023 | .cp_csc = 0xf4, |
8331d30b WT |
3024 | .formats = adv7612_formats, |
3025 | .nformats = ARRAY_SIZE(adv7612_formats), | |
3026 | .set_termination = adv7611_set_termination, | |
3027 | .setup_irqs = adv7612_setup_irqs, | |
3028 | .read_hdmi_pixelclock = adv7611_read_hdmi_pixelclock, | |
7111cddd | 3029 | .read_cable_det = adv7612_read_cable_det, |
8331d30b WT |
3030 | .recommended_settings = { |
3031 | [1] = adv7612_recommended_settings_hdmi, | |
3032 | }, | |
3033 | .num_recommended_settings = { | |
3034 | [1] = ARRAY_SIZE(adv7612_recommended_settings_hdmi), | |
3035 | }, | |
3036 | .page_mask = BIT(ADV76XX_PAGE_IO) | BIT(ADV76XX_PAGE_CEC) | | |
3037 | BIT(ADV76XX_PAGE_INFOFRAME) | BIT(ADV76XX_PAGE_AFE) | | |
3038 | BIT(ADV76XX_PAGE_REP) | BIT(ADV76XX_PAGE_EDID) | | |
3039 | BIT(ADV76XX_PAGE_HDMI) | BIT(ADV76XX_PAGE_CP), | |
3040 | .linewidth_mask = 0x1fff, | |
3041 | .field0_height_mask = 0x1fff, | |
3042 | .field1_height_mask = 0x1fff, | |
3043 | .hfrontporch_mask = 0x1fff, | |
3044 | .hsync_mask = 0x1fff, | |
3045 | .hbackporch_mask = 0x1fff, | |
3046 | .field0_vfrontporch_mask = 0x3fff, | |
3047 | .field0_vsync_mask = 0x3fff, | |
3048 | .field0_vbackporch_mask = 0x3fff, | |
3049 | .field1_vfrontporch_mask = 0x3fff, | |
3050 | .field1_vsync_mask = 0x3fff, | |
3051 | .field1_vbackporch_mask = 0x3fff, | |
3052 | }, | |
d42010a1 LPC |
3053 | }; |
3054 | ||
7f099a75 | 3055 | static const struct i2c_device_id adv76xx_i2c_id[] = { |
b44b2e06 PA |
3056 | { "adv7604", (kernel_ulong_t)&adv76xx_chip_info[ADV7604] }, |
3057 | { "adv7611", (kernel_ulong_t)&adv76xx_chip_info[ADV7611] }, | |
8331d30b | 3058 | { "adv7612", (kernel_ulong_t)&adv76xx_chip_info[ADV7612] }, |
f82f313e LP |
3059 | { } |
3060 | }; | |
b44b2e06 | 3061 | MODULE_DEVICE_TABLE(i2c, adv76xx_i2c_id); |
f82f313e | 3062 | |
7f099a75 | 3063 | static const struct of_device_id adv76xx_of_id[] __maybe_unused = { |
b44b2e06 | 3064 | { .compatible = "adi,adv7611", .data = &adv76xx_chip_info[ADV7611] }, |
8331d30b | 3065 | { .compatible = "adi,adv7612", .data = &adv76xx_chip_info[ADV7612] }, |
f82f313e LP |
3066 | { } |
3067 | }; | |
b44b2e06 | 3068 | MODULE_DEVICE_TABLE(of, adv76xx_of_id); |
f82f313e | 3069 | |
b44b2e06 | 3070 | static int adv76xx_parse_dt(struct adv76xx_state *state) |
f82f313e | 3071 | { |
6fa88045 LP |
3072 | struct v4l2_of_endpoint bus_cfg; |
3073 | struct device_node *endpoint; | |
3074 | struct device_node *np; | |
3075 | unsigned int flags; | |
7f6cd6c4 | 3076 | int ret; |
bf9c8227 | 3077 | u32 v; |
6fa88045 | 3078 | |
b44b2e06 | 3079 | np = state->i2c_clients[ADV76XX_PAGE_IO]->dev.of_node; |
6fa88045 LP |
3080 | |
3081 | /* Parse the endpoint. */ | |
3082 | endpoint = of_graph_get_next_endpoint(np, NULL); | |
3083 | if (!endpoint) | |
3084 | return -EINVAL; | |
3085 | ||
7f6cd6c4 JMC |
3086 | ret = v4l2_of_parse_endpoint(endpoint, &bus_cfg); |
3087 | if (ret) { | |
3088 | of_node_put(endpoint); | |
3089 | return ret; | |
3090 | } | |
bf9c8227 | 3091 | |
c57a68a1 UH |
3092 | of_node_put(endpoint); |
3093 | ||
3094 | if (!of_property_read_u32(np, "default-input", &v)) | |
bf9c8227 IM |
3095 | state->pdata.default_input = v; |
3096 | else | |
3097 | state->pdata.default_input = -1; | |
3098 | ||
6fa88045 LP |
3099 | flags = bus_cfg.bus.parallel.flags; |
3100 | ||
3101 | if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) | |
3102 | state->pdata.inv_hs_pol = 1; | |
3103 | ||
3104 | if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) | |
3105 | state->pdata.inv_vs_pol = 1; | |
3106 | ||
3107 | if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) | |
3108 | state->pdata.inv_llc_pol = 1; | |
3109 | ||
fd74246d | 3110 | if (bus_cfg.bus_type == V4L2_MBUS_BT656) |
6fa88045 | 3111 | state->pdata.insert_av_codes = 1; |
6fa88045 | 3112 | |
f82f313e | 3113 | /* Disable the interrupt for now as no DT-based board uses it. */ |
b44b2e06 | 3114 | state->pdata.int1_config = ADV76XX_INT1_CONFIG_DISABLED; |
f82f313e LP |
3115 | |
3116 | /* Use the default I2C addresses. */ | |
3117 | state->pdata.i2c_addresses[ADV7604_PAGE_AVLINK] = 0x42; | |
b44b2e06 PA |
3118 | state->pdata.i2c_addresses[ADV76XX_PAGE_CEC] = 0x40; |
3119 | state->pdata.i2c_addresses[ADV76XX_PAGE_INFOFRAME] = 0x3e; | |
f82f313e LP |
3120 | state->pdata.i2c_addresses[ADV7604_PAGE_ESDP] = 0x38; |
3121 | state->pdata.i2c_addresses[ADV7604_PAGE_DPP] = 0x3c; | |
b44b2e06 PA |
3122 | state->pdata.i2c_addresses[ADV76XX_PAGE_AFE] = 0x26; |
3123 | state->pdata.i2c_addresses[ADV76XX_PAGE_REP] = 0x32; | |
3124 | state->pdata.i2c_addresses[ADV76XX_PAGE_EDID] = 0x36; | |
3125 | state->pdata.i2c_addresses[ADV76XX_PAGE_HDMI] = 0x34; | |
3126 | state->pdata.i2c_addresses[ADV76XX_PAGE_TEST] = 0x30; | |
3127 | state->pdata.i2c_addresses[ADV76XX_PAGE_CP] = 0x22; | |
f82f313e LP |
3128 | state->pdata.i2c_addresses[ADV7604_PAGE_VDP] = 0x24; |
3129 | ||
3130 | /* Hardcode the remaining platform data fields. */ | |
3131 | state->pdata.disable_pwrdnb = 0; | |
3132 | state->pdata.disable_cable_det_rst = 0; | |
f82f313e | 3133 | state->pdata.blank_data = 1; |
f82f313e LP |
3134 | state->pdata.op_format_mode_sel = ADV7604_OP_FORMAT_MODE0; |
3135 | state->pdata.bus_order = ADV7604_BUS_ORDER_RGB; | |
3136 | ||
3137 | return 0; | |
3138 | } | |
3139 | ||
f862f57d PA |
3140 | static const struct regmap_config adv76xx_regmap_cnf[] = { |
3141 | { | |
3142 | .name = "io", | |
3143 | .reg_bits = 8, | |
3144 | .val_bits = 8, | |
3145 | ||
3146 | .max_register = 0xff, | |
3147 | .cache_type = REGCACHE_NONE, | |
3148 | }, | |
3149 | { | |
3150 | .name = "avlink", | |
3151 | .reg_bits = 8, | |
3152 | .val_bits = 8, | |
3153 | ||
3154 | .max_register = 0xff, | |
3155 | .cache_type = REGCACHE_NONE, | |
3156 | }, | |
3157 | { | |
3158 | .name = "cec", | |
3159 | .reg_bits = 8, | |
3160 | .val_bits = 8, | |
3161 | ||
3162 | .max_register = 0xff, | |
3163 | .cache_type = REGCACHE_NONE, | |
3164 | }, | |
3165 | { | |
3166 | .name = "infoframe", | |
3167 | .reg_bits = 8, | |
3168 | .val_bits = 8, | |
3169 | ||
3170 | .max_register = 0xff, | |
3171 | .cache_type = REGCACHE_NONE, | |
3172 | }, | |
3173 | { | |
3174 | .name = "esdp", | |
3175 | .reg_bits = 8, | |
3176 | .val_bits = 8, | |
3177 | ||
3178 | .max_register = 0xff, | |
3179 | .cache_type = REGCACHE_NONE, | |
3180 | }, | |
3181 | { | |
3182 | .name = "epp", | |
3183 | .reg_bits = 8, | |
3184 | .val_bits = 8, | |
3185 | ||
3186 | .max_register = 0xff, | |
3187 | .cache_type = REGCACHE_NONE, | |
3188 | }, | |
3189 | { | |
3190 | .name = "afe", | |
3191 | .reg_bits = 8, | |
3192 | .val_bits = 8, | |
3193 | ||
3194 | .max_register = 0xff, | |
3195 | .cache_type = REGCACHE_NONE, | |
3196 | }, | |
3197 | { | |
3198 | .name = "rep", | |
3199 | .reg_bits = 8, | |
3200 | .val_bits = 8, | |
3201 | ||
3202 | .max_register = 0xff, | |
3203 | .cache_type = REGCACHE_NONE, | |
3204 | }, | |
3205 | { | |
3206 | .name = "edid", | |
3207 | .reg_bits = 8, | |
3208 | .val_bits = 8, | |
3209 | ||
3210 | .max_register = 0xff, | |
3211 | .cache_type = REGCACHE_NONE, | |
3212 | }, | |
3213 | ||
3214 | { | |
3215 | .name = "hdmi", | |
3216 | .reg_bits = 8, | |
3217 | .val_bits = 8, | |
3218 | ||
3219 | .max_register = 0xff, | |
3220 | .cache_type = REGCACHE_NONE, | |
3221 | }, | |
3222 | { | |
3223 | .name = "test", | |
3224 | .reg_bits = 8, | |
3225 | .val_bits = 8, | |
3226 | ||
3227 | .max_register = 0xff, | |
3228 | .cache_type = REGCACHE_NONE, | |
3229 | }, | |
3230 | { | |
3231 | .name = "cp", | |
3232 | .reg_bits = 8, | |
3233 | .val_bits = 8, | |
3234 | ||
3235 | .max_register = 0xff, | |
3236 | .cache_type = REGCACHE_NONE, | |
3237 | }, | |
3238 | { | |
3239 | .name = "vdp", | |
3240 | .reg_bits = 8, | |
3241 | .val_bits = 8, | |
3242 | ||
3243 | .max_register = 0xff, | |
3244 | .cache_type = REGCACHE_NONE, | |
3245 | }, | |
3246 | }; | |
3247 | ||
3248 | static int configure_regmap(struct adv76xx_state *state, int region) | |
3249 | { | |
3250 | int err; | |
3251 | ||
3252 | if (!state->i2c_clients[region]) | |
3253 | return -ENODEV; | |
3254 | ||
3255 | state->regmap[region] = | |
3256 | devm_regmap_init_i2c(state->i2c_clients[region], | |
3257 | &adv76xx_regmap_cnf[region]); | |
3258 | ||
3259 | if (IS_ERR(state->regmap[region])) { | |
3260 | err = PTR_ERR(state->regmap[region]); | |
3261 | v4l_err(state->i2c_clients[region], | |
3262 | "Error initializing regmap %d with error %d\n", | |
3263 | region, err); | |
3264 | return -EINVAL; | |
3265 | } | |
3266 | ||
3267 | return 0; | |
3268 | } | |
3269 | ||
3270 | static int configure_regmaps(struct adv76xx_state *state) | |
3271 | { | |
3272 | int i, err; | |
3273 | ||
3274 | for (i = ADV7604_PAGE_AVLINK ; i < ADV76XX_PAGE_MAX; i++) { | |
3275 | err = configure_regmap(state, i); | |
3276 | if (err && (err != -ENODEV)) | |
3277 | return err; | |
3278 | } | |
3279 | return 0; | |
3280 | } | |
3281 | ||
f5591da9 DB |
3282 | static void adv76xx_reset(struct adv76xx_state *state) |
3283 | { | |
3284 | if (state->reset_gpio) { | |
3285 | /* ADV76XX can be reset by a low reset pulse of minimum 5 ms. */ | |
3286 | gpiod_set_value_cansleep(state->reset_gpio, 0); | |
3287 | usleep_range(5000, 10000); | |
3288 | gpiod_set_value_cansleep(state->reset_gpio, 1); | |
3289 | /* It is recommended to wait 5 ms after the low pulse before */ | |
3290 | /* an I2C write is performed to the ADV76XX. */ | |
3291 | usleep_range(5000, 10000); | |
3292 | } | |
3293 | } | |
3294 | ||
b44b2e06 | 3295 | static int adv76xx_probe(struct i2c_client *client, |
54450f59 HV |
3296 | const struct i2c_device_id *id) |
3297 | { | |
591b72fe HV |
3298 | static const struct v4l2_dv_timings cea640x480 = |
3299 | V4L2_DV_BT_CEA_640X480P59_94; | |
b44b2e06 | 3300 | struct adv76xx_state *state; |
54450f59 | 3301 | struct v4l2_ctrl_handler *hdl; |
297a4144 | 3302 | struct v4l2_ctrl *ctrl; |
54450f59 | 3303 | struct v4l2_subdev *sd; |
c784b1e2 | 3304 | unsigned int i; |
f862f57d | 3305 | unsigned int val, val2; |
54450f59 HV |
3306 | int err; |
3307 | ||
3308 | /* Check if the adapter supports the needed features */ | |
3309 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
3310 | return -EIO; | |
b44b2e06 | 3311 | v4l_dbg(1, debug, client, "detecting adv76xx client on address 0x%x\n", |
54450f59 HV |
3312 | client->addr << 1); |
3313 | ||
c02b211d | 3314 | state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL); |
54450f59 | 3315 | if (!state) { |
b44b2e06 | 3316 | v4l_err(client, "Could not allocate adv76xx_state memory!\n"); |
54450f59 HV |
3317 | return -ENOMEM; |
3318 | } | |
3319 | ||
b44b2e06 | 3320 | state->i2c_clients[ADV76XX_PAGE_IO] = client; |
d42010a1 | 3321 | |
25a64ac9 MR |
3322 | /* initialize variables */ |
3323 | state->restart_stdi_once = true; | |
ff4f80fd | 3324 | state->selected_input = ~0; |
25a64ac9 | 3325 | |
f82f313e LP |
3326 | if (IS_ENABLED(CONFIG_OF) && client->dev.of_node) { |
3327 | const struct of_device_id *oid; | |
3328 | ||
b44b2e06 | 3329 | oid = of_match_node(adv76xx_of_id, client->dev.of_node); |
f82f313e LP |
3330 | state->info = oid->data; |
3331 | ||
b44b2e06 | 3332 | err = adv76xx_parse_dt(state); |
f82f313e LP |
3333 | if (err < 0) { |
3334 | v4l_err(client, "DT parsing error\n"); | |
3335 | return err; | |
3336 | } | |
3337 | } else if (client->dev.platform_data) { | |
b44b2e06 | 3338 | struct adv76xx_platform_data *pdata = client->dev.platform_data; |
f82f313e | 3339 | |
b44b2e06 | 3340 | state->info = (const struct adv76xx_chip_info *)id->driver_data; |
f82f313e LP |
3341 | state->pdata = *pdata; |
3342 | } else { | |
54450f59 | 3343 | v4l_err(client, "No platform data!\n"); |
c02b211d | 3344 | return -ENODEV; |
54450f59 | 3345 | } |
e9d50e9e LP |
3346 | |
3347 | /* Request GPIOs. */ | |
3348 | for (i = 0; i < state->info->num_dv_ports; ++i) { | |
3349 | state->hpd_gpio[i] = | |
269bd132 UKK |
3350 | devm_gpiod_get_index_optional(&client->dev, "hpd", i, |
3351 | GPIOD_OUT_LOW); | |
e9d50e9e | 3352 | if (IS_ERR(state->hpd_gpio[i])) |
269bd132 | 3353 | return PTR_ERR(state->hpd_gpio[i]); |
e9d50e9e | 3354 | |
269bd132 UKK |
3355 | if (state->hpd_gpio[i]) |
3356 | v4l_info(client, "Handling HPD %u GPIO\n", i); | |
e9d50e9e | 3357 | } |
f5591da9 DB |
3358 | state->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", |
3359 | GPIOD_OUT_HIGH); | |
3360 | if (IS_ERR(state->reset_gpio)) | |
3361 | return PTR_ERR(state->reset_gpio); | |
3362 | ||
3363 | adv76xx_reset(state); | |
e9d50e9e | 3364 | |
591b72fe | 3365 | state->timings = cea640x480; |
b44b2e06 | 3366 | state->format = adv76xx_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8); |
54450f59 HV |
3367 | |
3368 | sd = &state->sd; | |
b44b2e06 | 3369 | v4l2_i2c_subdev_init(sd, client, &adv76xx_ops); |
d42010a1 LPC |
3370 | snprintf(sd->name, sizeof(sd->name), "%s %d-%04x", |
3371 | id->name, i2c_adapter_id(client->adapter), | |
3372 | client->addr); | |
0975626d | 3373 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; |
41a52373 | 3374 | sd->internal_ops = &adv76xx_int_ops; |
54450f59 | 3375 | |
f862f57d PA |
3376 | /* Configure IO Regmap region */ |
3377 | err = configure_regmap(state, ADV76XX_PAGE_IO); | |
3378 | ||
3379 | if (err) { | |
3380 | v4l2_err(sd, "Error configuring IO regmap region\n"); | |
3381 | return -ENODEV; | |
3382 | } | |
3383 | ||
d42010a1 LPC |
3384 | /* |
3385 | * Verify that the chip is present. On ADV7604 the RD_INFO register only | |
3386 | * identifies the revision, while on ADV7611 it identifies the model as | |
3387 | * well. Use the HDMI slave address on ADV7604 and RD_INFO on ADV7611. | |
3388 | */ | |
8331d30b WT |
3389 | switch (state->info->type) { |
3390 | case ADV7604: | |
f862f57d PA |
3391 | err = regmap_read(state->regmap[ADV76XX_PAGE_IO], 0xfb, &val); |
3392 | if (err) { | |
3393 | v4l2_err(sd, "Error %d reading IO Regmap\n", err); | |
3394 | return -ENODEV; | |
3395 | } | |
d42010a1 | 3396 | if (val != 0x68) { |
f862f57d | 3397 | v4l2_err(sd, "not an adv7604 on address 0x%x\n", |
d42010a1 LPC |
3398 | client->addr << 1); |
3399 | return -ENODEV; | |
3400 | } | |
8331d30b WT |
3401 | break; |
3402 | case ADV7611: | |
3403 | case ADV7612: | |
f862f57d PA |
3404 | err = regmap_read(state->regmap[ADV76XX_PAGE_IO], |
3405 | 0xea, | |
3406 | &val); | |
3407 | if (err) { | |
3408 | v4l2_err(sd, "Error %d reading IO Regmap\n", err); | |
3409 | return -ENODEV; | |
3410 | } | |
3411 | val2 = val << 8; | |
3412 | err = regmap_read(state->regmap[ADV76XX_PAGE_IO], | |
3413 | 0xeb, | |
3414 | &val); | |
3415 | if (err) { | |
3416 | v4l2_err(sd, "Error %d reading IO Regmap\n", err); | |
3417 | return -ENODEV; | |
3418 | } | |
c1362384 | 3419 | val |= val2; |
8331d30b WT |
3420 | if ((state->info->type == ADV7611 && val != 0x2051) || |
3421 | (state->info->type == ADV7612 && val != 0x2041)) { | |
3422 | v4l2_err(sd, "not an adv761x on address 0x%x\n", | |
d42010a1 LPC |
3423 | client->addr << 1); |
3424 | return -ENODEV; | |
3425 | } | |
8331d30b | 3426 | break; |
54450f59 HV |
3427 | } |
3428 | ||
3429 | /* control handlers */ | |
3430 | hdl = &state->hdl; | |
b44b2e06 | 3431 | v4l2_ctrl_handler_init(hdl, adv76xx_has_afe(state) ? 9 : 8); |
54450f59 | 3432 | |
b44b2e06 | 3433 | v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
54450f59 | 3434 | V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); |
b44b2e06 | 3435 | v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
54450f59 | 3436 | V4L2_CID_CONTRAST, 0, 255, 1, 128); |
b44b2e06 | 3437 | v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
54450f59 | 3438 | V4L2_CID_SATURATION, 0, 255, 1, 128); |
b44b2e06 | 3439 | v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, |
54450f59 | 3440 | V4L2_CID_HUE, 0, 128, 1, 0); |
297a4144 HV |
3441 | ctrl = v4l2_ctrl_new_std_menu(hdl, &adv76xx_ctrl_ops, |
3442 | V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, | |
3443 | 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); | |
3444 | if (ctrl) | |
3445 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; | |
54450f59 | 3446 | |
54450f59 | 3447 | state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, |
d42010a1 LPC |
3448 | V4L2_CID_DV_RX_POWER_PRESENT, 0, |
3449 | (1 << state->info->num_dv_ports) - 1, 0, 0); | |
54450f59 | 3450 | state->rgb_quantization_range_ctrl = |
b44b2e06 | 3451 | v4l2_ctrl_new_std_menu(hdl, &adv76xx_ctrl_ops, |
54450f59 HV |
3452 | V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, |
3453 | 0, V4L2_DV_RGB_RANGE_AUTO); | |
54450f59 HV |
3454 | |
3455 | /* custom controls */ | |
b44b2e06 | 3456 | if (adv76xx_has_afe(state)) |
d42010a1 LPC |
3457 | state->analog_sampling_phase_ctrl = |
3458 | v4l2_ctrl_new_custom(hdl, &adv7604_ctrl_analog_sampling_phase, NULL); | |
54450f59 | 3459 | state->free_run_color_manual_ctrl = |
b44b2e06 | 3460 | v4l2_ctrl_new_custom(hdl, &adv76xx_ctrl_free_run_color_manual, NULL); |
54450f59 | 3461 | state->free_run_color_ctrl = |
b44b2e06 | 3462 | v4l2_ctrl_new_custom(hdl, &adv76xx_ctrl_free_run_color, NULL); |
54450f59 HV |
3463 | |
3464 | sd->ctrl_handler = hdl; | |
3465 | if (hdl->error) { | |
3466 | err = hdl->error; | |
3467 | goto err_hdl; | |
3468 | } | |
b44b2e06 | 3469 | if (adv76xx_s_detect_tx_5v_ctrl(sd)) { |
54450f59 HV |
3470 | err = -ENODEV; |
3471 | goto err_hdl; | |
3472 | } | |
3473 | ||
b44b2e06 | 3474 | for (i = 1; i < ADV76XX_PAGE_MAX; ++i) { |
05cacb17 LP |
3475 | if (!(BIT(i) & state->info->page_mask)) |
3476 | continue; | |
54450f59 | 3477 | |
05cacb17 | 3478 | state->i2c_clients[i] = |
b44b2e06 | 3479 | adv76xx_dummy_client(sd, state->pdata.i2c_addresses[i], |
05cacb17 LP |
3480 | 0xf2 + i); |
3481 | if (state->i2c_clients[i] == NULL) { | |
d42010a1 | 3482 | err = -ENOMEM; |
05cacb17 | 3483 | v4l2_err(sd, "failed to create i2c client %u\n", i); |
d42010a1 LPC |
3484 | goto err_i2c; |
3485 | } | |
3486 | } | |
05cacb17 | 3487 | |
54450f59 | 3488 | INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug, |
b44b2e06 | 3489 | adv76xx_delayed_work_enable_hotplug); |
54450f59 | 3490 | |
c784b1e2 LP |
3491 | state->source_pad = state->info->num_dv_ports |
3492 | + (state->info->has_afe ? 2 : 0); | |
3493 | for (i = 0; i < state->source_pad; ++i) | |
3494 | state->pads[i].flags = MEDIA_PAD_FL_SINK; | |
3495 | state->pads[state->source_pad].flags = MEDIA_PAD_FL_SOURCE; | |
3496 | ||
ab22e77c | 3497 | err = media_entity_pads_init(&sd->entity, state->source_pad + 1, |
18095107 | 3498 | state->pads); |
54450f59 HV |
3499 | if (err) |
3500 | goto err_work_queues; | |
3501 | ||
f862f57d PA |
3502 | /* Configure regmaps */ |
3503 | err = configure_regmaps(state); | |
3504 | if (err) | |
3505 | goto err_entity; | |
3506 | ||
b44b2e06 | 3507 | err = adv76xx_core_init(sd); |
54450f59 HV |
3508 | if (err) |
3509 | goto err_entity; | |
41a52373 HV |
3510 | |
3511 | #if IS_ENABLED(CONFIG_VIDEO_ADV7604_CEC) | |
3512 | state->cec_adap = cec_allocate_adapter(&adv76xx_cec_adap_ops, | |
3513 | state, dev_name(&client->dev), | |
3514 | CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS | | |
f51e8080 | 3515 | CEC_CAP_PASSTHROUGH | CEC_CAP_RC, ADV76XX_MAX_ADDRS); |
41a52373 HV |
3516 | err = PTR_ERR_OR_ZERO(state->cec_adap); |
3517 | if (err) | |
3518 | goto err_entity; | |
3519 | #endif | |
3520 | ||
54450f59 HV |
3521 | v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, |
3522 | client->addr << 1, client->adapter->name); | |
bedc3939 LPC |
3523 | |
3524 | err = v4l2_async_register_subdev(sd); | |
3525 | if (err) | |
3526 | goto err_entity; | |
3527 | ||
54450f59 HV |
3528 | return 0; |
3529 | ||
3530 | err_entity: | |
3531 | media_entity_cleanup(&sd->entity); | |
3532 | err_work_queues: | |
3533 | cancel_delayed_work(&state->delayed_work_enable_hotplug); | |
54450f59 | 3534 | err_i2c: |
b44b2e06 | 3535 | adv76xx_unregister_clients(state); |
54450f59 HV |
3536 | err_hdl: |
3537 | v4l2_ctrl_handler_free(hdl); | |
54450f59 HV |
3538 | return err; |
3539 | } | |
3540 | ||
3541 | /* ----------------------------------------------------------------------- */ | |
3542 | ||
b44b2e06 | 3543 | static int adv76xx_remove(struct i2c_client *client) |
54450f59 HV |
3544 | { |
3545 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
b44b2e06 | 3546 | struct adv76xx_state *state = to_state(sd); |
54450f59 | 3547 | |
41a52373 HV |
3548 | /* disable interrupts */ |
3549 | io_write(sd, 0x40, 0); | |
3550 | io_write(sd, 0x41, 0); | |
3551 | io_write(sd, 0x46, 0); | |
3552 | io_write(sd, 0x6e, 0); | |
3553 | io_write(sd, 0x73, 0); | |
3554 | ||
54450f59 | 3555 | cancel_delayed_work(&state->delayed_work_enable_hotplug); |
bedc3939 | 3556 | v4l2_async_unregister_subdev(sd); |
54450f59 | 3557 | media_entity_cleanup(&sd->entity); |
b44b2e06 | 3558 | adv76xx_unregister_clients(to_state(sd)); |
54450f59 | 3559 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
54450f59 HV |
3560 | return 0; |
3561 | } | |
3562 | ||
3563 | /* ----------------------------------------------------------------------- */ | |
3564 | ||
b44b2e06 | 3565 | static struct i2c_driver adv76xx_driver = { |
54450f59 | 3566 | .driver = { |
54450f59 | 3567 | .name = "adv7604", |
b44b2e06 | 3568 | .of_match_table = of_match_ptr(adv76xx_of_id), |
54450f59 | 3569 | }, |
b44b2e06 PA |
3570 | .probe = adv76xx_probe, |
3571 | .remove = adv76xx_remove, | |
3572 | .id_table = adv76xx_i2c_id, | |
54450f59 HV |
3573 | }; |
3574 | ||
b44b2e06 | 3575 | module_i2c_driver(adv76xx_driver); |