2 * Copyright © 2006-2007 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Eric Anholt <eric@anholt.net>
28 * @file SDVO command definitions and structures.
31 #define SDVO_OUTPUT_FIRST (0)
32 #define SDVO_OUTPUT_TMDS0 (1 << 0)
33 #define SDVO_OUTPUT_RGB0 (1 << 1)
34 #define SDVO_OUTPUT_CVBS0 (1 << 2)
35 #define SDVO_OUTPUT_SVID0 (1 << 3)
36 #define SDVO_OUTPUT_YPRPB0 (1 << 4)
37 #define SDVO_OUTPUT_SCART0 (1 << 5)
38 #define SDVO_OUTPUT_LVDS0 (1 << 6)
39 #define SDVO_OUTPUT_TMDS1 (1 << 8)
40 #define SDVO_OUTPUT_RGB1 (1 << 9)
41 #define SDVO_OUTPUT_CVBS1 (1 << 10)
42 #define SDVO_OUTPUT_SVID1 (1 << 11)
43 #define SDVO_OUTPUT_YPRPB1 (1 << 12)
44 #define SDVO_OUTPUT_SCART1 (1 << 13)
45 #define SDVO_OUTPUT_LVDS1 (1 << 14)
46 #define SDVO_OUTPUT_LAST (14)
48 struct intel_sdvo_caps {
52 u8 sdvo_version_major;
53 u8 sdvo_version_minor;
54 unsigned int sdvo_inputs_mask:2;
55 unsigned int smooth_scaling:1;
56 unsigned int sharp_scaling:1;
57 unsigned int up_scaling:1;
58 unsigned int down_scaling:1;
59 unsigned int stall_support:1;
62 } __attribute__((packed));
64 /** This matches the EDID DTD structure, more or less */
65 struct intel_sdvo_dtd {
67 u16 clock; /**< pixel clock, in 10kHz units */
68 u8 h_active; /**< lower 8 bits (pixels) */
69 u8 h_blank; /**< lower 8 bits (pixels) */
70 u8 h_high; /**< upper 4 bits each h_active, h_blank */
71 u8 v_active; /**< lower 8 bits (lines) */
72 u8 v_blank; /**< lower 8 bits (lines) */
73 u8 v_high; /**< upper 4 bits each v_active, v_blank */
77 u8 h_sync_off; /**< lower 8 bits, from hblank start */
78 u8 h_sync_width; /**< lower 8 bits (pixels) */
79 /** lower 4 bits each vsync offset, vsync width */
82 * 2 high bits of hsync offset, 2 high bits of hsync width,
83 * bits 4-5 of vsync offset, and 2 high bits of vsync width.
85 u8 sync_off_width_high;
88 /** bits 6-7 of vsync offset at bits 6-7 */
92 } __attribute__((packed));
94 struct intel_sdvo_pixel_clock_range {
95 u16 min; /**< pixel clock, in 10kHz units */
96 u16 max; /**< pixel clock, in 10kHz units */
97 } __attribute__((packed));
99 struct intel_sdvo_preferred_input_timing_args {
103 } __attribute__((packed));
105 /* I2C registers for SDVO */
106 #define SDVO_I2C_ARG_0 0x07
107 #define SDVO_I2C_ARG_1 0x06
108 #define SDVO_I2C_ARG_2 0x05
109 #define SDVO_I2C_ARG_3 0x04
110 #define SDVO_I2C_ARG_4 0x03
111 #define SDVO_I2C_ARG_5 0x02
112 #define SDVO_I2C_ARG_6 0x01
113 #define SDVO_I2C_ARG_7 0x00
114 #define SDVO_I2C_OPCODE 0x08
115 #define SDVO_I2C_CMD_STATUS 0x09
116 #define SDVO_I2C_RETURN_0 0x0a
117 #define SDVO_I2C_RETURN_1 0x0b
118 #define SDVO_I2C_RETURN_2 0x0c
119 #define SDVO_I2C_RETURN_3 0x0d
120 #define SDVO_I2C_RETURN_4 0x0e
121 #define SDVO_I2C_RETURN_5 0x0f
122 #define SDVO_I2C_RETURN_6 0x10
123 #define SDVO_I2C_RETURN_7 0x11
124 #define SDVO_I2C_VENDOR_BEGIN 0x20
127 #define SDVO_CMD_STATUS_POWER_ON 0x0
128 #define SDVO_CMD_STATUS_SUCCESS 0x1
129 #define SDVO_CMD_STATUS_NOTSUPP 0x2
130 #define SDVO_CMD_STATUS_INVALID_ARG 0x3
131 #define SDVO_CMD_STATUS_PENDING 0x4
132 #define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED 0x5
133 #define SDVO_CMD_STATUS_SCALING_NOT_SUPP 0x6
135 /* SDVO commands, argument/result registers */
137 #define SDVO_CMD_RESET 0x01
139 /** Returns a struct intel_sdvo_caps */
140 #define SDVO_CMD_GET_DEVICE_CAPS 0x02
142 #define SDVO_CMD_GET_FIRMWARE_REV 0x86
143 # define SDVO_DEVICE_FIRMWARE_MINOR SDVO_I2C_RETURN_0
144 # define SDVO_DEVICE_FIRMWARE_MAJOR SDVO_I2C_RETURN_1
145 # define SDVO_DEVICE_FIRMWARE_PATCH SDVO_I2C_RETURN_2
148 * Reports which inputs are trained (managed to sync).
150 * Devices must have trained within 2 vsyncs of a mode change.
152 #define SDVO_CMD_GET_TRAINED_INPUTS 0x03
153 struct intel_sdvo_get_trained_inputs_response {
154 unsigned int input0_trained:1;
155 unsigned int input1_trained:1;
157 } __attribute__((packed));
159 /** Returns a struct intel_sdvo_output_flags of active outputs. */
160 #define SDVO_CMD_GET_ACTIVE_OUTPUTS 0x04
163 * Sets the current set of active outputs.
165 * Takes a struct intel_sdvo_output_flags. Must be preceded by a SET_IN_OUT_MAP
166 * on multi-output devices.
168 #define SDVO_CMD_SET_ACTIVE_OUTPUTS 0x05
171 * Returns the current mapping of SDVO inputs to outputs on the device.
173 * Returns two struct intel_sdvo_output_flags structures.
175 #define SDVO_CMD_GET_IN_OUT_MAP 0x06
178 * Sets the current mapping of SDVO inputs to outputs on the device.
180 * Takes two struct i380_sdvo_output_flags structures.
182 #define SDVO_CMD_SET_IN_OUT_MAP 0x07
185 * Returns a struct intel_sdvo_output_flags of attached displays.
187 #define SDVO_CMD_GET_ATTACHED_DISPLAYS 0x0b
190 * Returns a struct intel_sdvo_ouptut_flags of displays supporting hot plugging.
192 #define SDVO_CMD_GET_HOT_PLUG_SUPPORT 0x0c
195 * Takes a struct intel_sdvo_output_flags.
197 #define SDVO_CMD_SET_ACTIVE_HOT_PLUG 0x0d
200 * Returns a struct intel_sdvo_output_flags of displays with hot plug
201 * interrupts enabled.
203 #define SDVO_CMD_GET_ACTIVE_HOT_PLUG 0x0e
205 #define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE 0x0f
206 struct intel_sdvo_get_interrupt_event_source_response {
207 u16 interrupt_status;
208 unsigned int ambient_light_interrupt:1;
210 } __attribute__((packed));
213 * Selects which input is affected by future input commands.
215 * Commands affected include SET_INPUT_TIMINGS_PART[12],
216 * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12],
217 * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS.
219 #define SDVO_CMD_SET_TARGET_INPUT 0x10
220 struct intel_sdvo_set_target_input_args {
221 unsigned int target_1:1;
223 } __attribute__((packed));
226 * Takes a struct intel_sdvo_output_flags of which outputs are targetted by
227 * future output commands.
229 * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12],
230 * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE.
232 #define SDVO_CMD_SET_TARGET_OUTPUT 0x11
234 #define SDVO_CMD_GET_INPUT_TIMINGS_PART1 0x12
235 #define SDVO_CMD_GET_INPUT_TIMINGS_PART2 0x13
236 #define SDVO_CMD_SET_INPUT_TIMINGS_PART1 0x14
237 #define SDVO_CMD_SET_INPUT_TIMINGS_PART2 0x15
238 #define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1 0x16
239 #define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2 0x17
240 #define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1 0x18
241 #define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2 0x19
243 # define SDVO_DTD_CLOCK_LOW SDVO_I2C_ARG_0
244 # define SDVO_DTD_CLOCK_HIGH SDVO_I2C_ARG_1
245 # define SDVO_DTD_H_ACTIVE SDVO_I2C_ARG_2
246 # define SDVO_DTD_H_BLANK SDVO_I2C_ARG_3
247 # define SDVO_DTD_H_HIGH SDVO_I2C_ARG_4
248 # define SDVO_DTD_V_ACTIVE SDVO_I2C_ARG_5
249 # define SDVO_DTD_V_BLANK SDVO_I2C_ARG_6
250 # define SDVO_DTD_V_HIGH SDVO_I2C_ARG_7
252 # define SDVO_DTD_HSYNC_OFF SDVO_I2C_ARG_0
253 # define SDVO_DTD_HSYNC_WIDTH SDVO_I2C_ARG_1
254 # define SDVO_DTD_VSYNC_OFF_WIDTH SDVO_I2C_ARG_2
255 # define SDVO_DTD_SYNC_OFF_WIDTH_HIGH SDVO_I2C_ARG_3
256 # define SDVO_DTD_DTD_FLAGS SDVO_I2C_ARG_4
257 # define SDVO_DTD_DTD_FLAG_INTERLACED (1 << 7)
258 # define SDVO_DTD_DTD_FLAG_STEREO_MASK (3 << 5)
259 # define SDVO_DTD_DTD_FLAG_INPUT_MASK (3 << 3)
260 # define SDVO_DTD_DTD_FLAG_SYNC_MASK (3 << 1)
261 # define SDVO_DTD_SDVO_FLAS SDVO_I2C_ARG_5
262 # define SDVO_DTD_SDVO_FLAG_STALL (1 << 7)
263 # define SDVO_DTD_SDVO_FLAG_CENTERED (0 << 6)
264 # define SDVO_DTD_SDVO_FLAG_UPPER_LEFT (1 << 6)
265 # define SDVO_DTD_SDVO_FLAG_SCALING_MASK (3 << 4)
266 # define SDVO_DTD_SDVO_FLAG_SCALING_NONE (0 << 4)
267 # define SDVO_DTD_SDVO_FLAG_SCALING_SHARP (1 << 4)
268 # define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH (2 << 4)
269 # define SDVO_DTD_VSYNC_OFF_HIGH SDVO_I2C_ARG_6
272 * Generates a DTD based on the given width, height, and flags.
274 * This will be supported by any device supporting scaling or interlaced
277 #define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING 0x1a
278 # define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW SDVO_I2C_ARG_0
279 # define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH SDVO_I2C_ARG_1
280 # define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW SDVO_I2C_ARG_2
281 # define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH SDVO_I2C_ARG_3
282 # define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW SDVO_I2C_ARG_4
283 # define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH SDVO_I2C_ARG_5
284 # define SDVO_PREFERRED_INPUT_TIMING_FLAGS SDVO_I2C_ARG_6
285 # define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED (1 << 0)
286 # define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED (1 << 1)
288 #define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1 0x1b
289 #define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2 0x1c
291 /** Returns a struct intel_sdvo_pixel_clock_range */
292 #define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE 0x1d
293 /** Returns a struct intel_sdvo_pixel_clock_range */
294 #define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE 0x1e
296 /** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */
297 #define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS 0x1f
299 /** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
300 #define SDVO_CMD_GET_CLOCK_RATE_MULT 0x20
301 /** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
302 #define SDVO_CMD_SET_CLOCK_RATE_MULT 0x21
303 # define SDVO_CLOCK_RATE_MULT_1X (1 << 0)
304 # define SDVO_CLOCK_RATE_MULT_2X (1 << 1)
305 # define SDVO_CLOCK_RATE_MULT_4X (1 << 3)
307 #define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27
309 #define SDVO_CMD_GET_TV_FORMAT 0x28
311 #define SDVO_CMD_SET_TV_FORMAT 0x29
313 #define SDVO_CMD_GET_SUPPORTED_POWER_STATES 0x2a
314 #define SDVO_CMD_GET_ENCODER_POWER_STATE 0x2b
315 #define SDVO_CMD_SET_ENCODER_POWER_STATE 0x2c
316 # define SDVO_ENCODER_STATE_ON (1 << 0)
317 # define SDVO_ENCODER_STATE_STANDBY (1 << 1)
318 # define SDVO_ENCODER_STATE_SUSPEND (1 << 2)
319 # define SDVO_ENCODER_STATE_OFF (1 << 3)
321 #define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT 0x93
323 #define SDVO_CMD_SET_CONTROL_BUS_SWITCH 0x7a
324 # define SDVO_CONTROL_BUS_PROM 0x0
325 # define SDVO_CONTROL_BUS_DDC1 0x1
326 # define SDVO_CONTROL_BUS_DDC2 0x2
327 # define SDVO_CONTROL_BUS_DDC3 0x3