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1/*
2 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
3 * VA Linux Systems Inc., Fremont, California.
4 * Copyright 2008 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Original Authors:
25 * Kevin E. Martin, Rickard E. Faith, Alan Hourihane
26 *
27 * Kernel port Author: Dave Airlie
28 */
29
30#ifndef RADEON_MODE_H
31#define RADEON_MODE_H
32
33#include <drm_crtc.h>
34#include <drm_mode.h>
35#include <drm_edid.h>
36#include <linux/i2c.h>
37#include <linux/i2c-id.h>
38#include <linux/i2c-algo-bit.h>
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39#include "radeon_fixed.h"
40
41struct radeon_device;
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42
43#define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
44#define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
45#define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
46#define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
47
48enum radeon_connector_type {
49 CONNECTOR_NONE,
50 CONNECTOR_VGA,
51 CONNECTOR_DVI_I,
52 CONNECTOR_DVI_D,
53 CONNECTOR_DVI_A,
54 CONNECTOR_STV,
55 CONNECTOR_CTV,
56 CONNECTOR_LVDS,
57 CONNECTOR_DIGITAL,
58 CONNECTOR_SCART,
59 CONNECTOR_HDMI_TYPE_A,
60 CONNECTOR_HDMI_TYPE_B,
61 CONNECTOR_0XC,
62 CONNECTOR_0XD,
63 CONNECTOR_DIN,
64 CONNECTOR_DISPLAY_PORT,
65 CONNECTOR_UNSUPPORTED
66};
67
68enum radeon_dvi_type {
69 DVI_AUTO,
70 DVI_DIGITAL,
71 DVI_ANALOG
72};
73
74enum radeon_rmx_type {
75 RMX_OFF,
76 RMX_FULL,
77 RMX_CENTER,
78 RMX_ASPECT
79};
80
81enum radeon_tv_std {
82 TV_STD_NTSC,
83 TV_STD_PAL,
84 TV_STD_PAL_M,
85 TV_STD_PAL_60,
86 TV_STD_NTSC_J,
87 TV_STD_SCART_PAL,
88 TV_STD_SECAM,
89 TV_STD_PAL_CN,
90};
91
92struct radeon_i2c_bus_rec {
93 bool valid;
94 uint32_t mask_clk_reg;
95 uint32_t mask_data_reg;
96 uint32_t a_clk_reg;
97 uint32_t a_data_reg;
98 uint32_t put_clk_reg;
99 uint32_t put_data_reg;
100 uint32_t get_clk_reg;
101 uint32_t get_data_reg;
102 uint32_t mask_clk_mask;
103 uint32_t mask_data_mask;
104 uint32_t put_clk_mask;
105 uint32_t put_data_mask;
106 uint32_t get_clk_mask;
107 uint32_t get_data_mask;
108 uint32_t a_clk_mask;
109 uint32_t a_data_mask;
110};
111
112struct radeon_tmds_pll {
113 uint32_t freq;
114 uint32_t value;
115};
116
117#define RADEON_MAX_BIOS_CONNECTOR 16
118
119#define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
120#define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
121#define RADEON_PLL_USE_REF_DIV (1 << 2)
122#define RADEON_PLL_LEGACY (1 << 3)
123#define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
124#define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
125#define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
126#define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
127#define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
128#define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
129#define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
d0e275a9 130#define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
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131
132struct radeon_pll {
133 uint16_t reference_freq;
134 uint16_t reference_div;
135 uint32_t pll_in_min;
136 uint32_t pll_in_max;
137 uint32_t pll_out_min;
138 uint32_t pll_out_max;
139 uint16_t xclk;
140
141 uint32_t min_ref_div;
142 uint32_t max_ref_div;
143 uint32_t min_post_div;
144 uint32_t max_post_div;
145 uint32_t min_feedback_div;
146 uint32_t max_feedback_div;
147 uint32_t min_frac_feedback_div;
148 uint32_t max_frac_feedback_div;
149 uint32_t best_vco;
150};
151
152struct radeon_i2c_chan {
153 struct drm_device *dev;
154 struct i2c_adapter adapter;
155 struct i2c_algo_bit_data algo;
156 struct radeon_i2c_bus_rec rec;
157};
158
159/* mostly for macs, but really any system without connector tables */
160enum radeon_connector_table {
161 CT_NONE,
162 CT_GENERIC,
163 CT_IBOOK,
164 CT_POWERBOOK_EXTERNAL,
165 CT_POWERBOOK_INTERNAL,
166 CT_POWERBOOK_VGA,
167 CT_MINI_EXTERNAL,
168 CT_MINI_INTERNAL,
169 CT_IMAC_G5_ISIGHT,
170 CT_EMAC,
171};
172
173struct radeon_mode_info {
174 struct atom_context *atom_context;
175 enum radeon_connector_table connector_table;
176 bool mode_config_initialized;
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177 struct radeon_crtc *crtcs[2];
178};
179
180struct radeon_native_mode {
181 /* preferred mode */
182 uint32_t panel_xres, panel_yres;
183 uint32_t hoverplus, hsync_width;
184 uint32_t hblank;
185 uint32_t voverplus, vsync_width;
186 uint32_t vblank;
187 uint32_t dotclock;
188 uint32_t flags;
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189};
190
191struct radeon_crtc {
192 struct drm_crtc base;
193 int crtc_id;
194 u16 lut_r[256], lut_g[256], lut_b[256];
195 bool enabled;
196 bool can_tile;
197 uint32_t crtc_offset;
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198 struct drm_gem_object *cursor_bo;
199 uint64_t cursor_addr;
200 int cursor_width;
201 int cursor_height;
4162338a 202 uint32_t legacy_display_base_addr;
c836e862 203 uint32_t legacy_cursor_offset;
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204 enum radeon_rmx_type rmx_type;
205 uint32_t devices;
206 fixed20_12 vsc;
207 fixed20_12 hsc;
208 struct radeon_native_mode native_mode;
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209};
210
211struct radeon_encoder_primary_dac {
212 /* legacy primary dac */
213 uint32_t ps2_pdac_adj;
214};
215
216struct radeon_encoder_lvds {
217 /* legacy lvds */
218 uint16_t panel_vcc_delay;
219 uint8_t panel_pwr_delay;
220 uint8_t panel_digon_delay;
221 uint8_t panel_blon_delay;
222 uint16_t panel_ref_divider;
223 uint8_t panel_post_divider;
224 uint16_t panel_fb_divider;
225 bool use_bios_dividers;
226 uint32_t lvds_gen_cntl;
227 /* panel mode */
228 struct radeon_native_mode native_mode;
229};
230
231struct radeon_encoder_tv_dac {
232 /* legacy tv dac */
233 uint32_t ps2_tvdac_adj;
234 uint32_t ntsc_tvdac_adj;
235 uint32_t pal_tvdac_adj;
236
237 enum radeon_tv_std tv_std;
238};
239
240struct radeon_encoder_int_tmds {
241 /* legacy int tmds */
242 struct radeon_tmds_pll tmds_pll[4];
243};
244
245struct radeon_encoder_atom_dig {
246 /* atom dig */
247 bool coherent_mode;
248 int dig_block;
249 /* atom lvds */
250 uint32_t lvds_misc;
251 uint16_t panel_pwr_delay;
252 /* panel mode */
253 struct radeon_native_mode native_mode;
254};
255
256struct radeon_encoder {
257 struct drm_encoder base;
258 uint32_t encoder_id;
259 uint32_t devices;
260 uint32_t flags;
261 uint32_t pixel_clock;
262 enum radeon_rmx_type rmx_type;
263 struct radeon_native_mode native_mode;
264 void *enc_priv;
265};
266
267struct radeon_connector_atom_dig {
268 uint32_t igp_lane_info;
269 bool linkb;
270};
271
272struct radeon_connector {
273 struct drm_connector base;
274 uint32_t connector_id;
275 uint32_t devices;
276 struct radeon_i2c_chan *ddc_bus;
277 int use_digital;
278 void *con_priv;
279};
280
281struct radeon_framebuffer {
282 struct drm_framebuffer base;
283 struct drm_gem_object *obj;
284};
285
286extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
287 struct radeon_i2c_bus_rec *rec,
288 const char *name);
289extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
290extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
291extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
292
293extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
294
295extern void radeon_compute_pll(struct radeon_pll *pll,
296 uint64_t freq,
297 uint32_t *dot_clock_p,
298 uint32_t *fb_div_p,
299 uint32_t *frac_fb_div_p,
300 uint32_t *ref_div_p,
301 uint32_t *post_div_p,
302 int flags);
303
304struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
305struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
306struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
307struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
308struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
309extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
310extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
311
312extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
313extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
314 struct drm_framebuffer *old_fb);
315extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
316 struct drm_display_mode *mode,
317 struct drm_display_mode *adjusted_mode,
318 int x, int y,
319 struct drm_framebuffer *old_fb);
320extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
321
322extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
323 struct drm_framebuffer *old_fb);
324extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
325
326extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
327 struct drm_file *file_priv,
328 uint32_t handle,
329 uint32_t width,
330 uint32_t height);
331extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
332 int x, int y);
333
334extern bool radeon_atom_get_clock_info(struct drm_device *dev);
335extern bool radeon_combios_get_clock_info(struct drm_device *dev);
336extern struct radeon_encoder_atom_dig *
337radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
338extern struct radeon_encoder_int_tmds *
339radeon_atombios_get_tmds_info(struct radeon_encoder *encoder);
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340extern struct radeon_encoder_primary_dac *
341radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
342extern struct radeon_encoder_tv_dac *
343radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
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344extern struct radeon_encoder_lvds *
345radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
346extern struct radeon_encoder_int_tmds *
347radeon_combios_get_tmds_info(struct radeon_encoder *encoder);
348extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
349extern struct radeon_encoder_tv_dac *
350radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
351extern struct radeon_encoder_primary_dac *
352radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
353extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
354extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
355extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
356extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
357extern void
358radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
359extern void
360radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
361extern void
362radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
363extern void
364radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
365extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
366 u16 blue, int regno);
367struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
368 struct drm_mode_fb_cmd *mode_cmd,
369 struct drm_gem_object *obj);
370
371int radeonfb_probe(struct drm_device *dev);
372
373int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
374bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
375bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
376void radeon_atombios_init_crtc(struct drm_device *dev,
377 struct radeon_crtc *radeon_crtc);
378void radeon_legacy_init_crtc(struct drm_device *dev,
379 struct radeon_crtc *radeon_crtc);
380void radeon_i2c_do_lock(struct radeon_connector *radeon_connector, int lock_state);
381
382void radeon_get_clock_info(struct drm_device *dev);
383
384extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
385extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
386
387void radeon_rmx_mode_fixup(struct drm_encoder *encoder,
388 struct drm_display_mode *mode,
389 struct drm_display_mode *adjusted_mode);
390void radeon_enc_destroy(struct drm_encoder *encoder);
391void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
392void radeon_combios_asic_init(struct drm_device *dev);
393extern int radeon_static_clocks_init(struct drm_device *dev);
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394bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
395 struct drm_display_mode *mode,
396 struct drm_display_mode *adjusted_mode);
397void atom_rv515_force_tv_scaler(struct radeon_device *rdev);
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398
399#endif