2 * Copyright (C) 2015 Free Electrons
3 * Copyright (C) 2015 NextThing Co
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
13 #include <linux/clk.h>
14 #include <linux/component.h>
15 #include <linux/of_address.h>
16 #include <linux/regmap.h>
17 #include <linux/reset.h>
20 #include <drm/drm_atomic_helper.h>
21 #include <drm/drm_crtc_helper.h>
22 #include <drm/drm_panel.h>
24 #include "sun4i_backend.h"
25 #include "sun4i_drv.h"
26 #include "sun4i_tcon.h"
28 #define SUN4I_TVE_EN_REG 0x000
29 #define SUN4I_TVE_EN_DAC_MAP_MASK GENMASK(19, 4)
30 #define SUN4I_TVE_EN_DAC_MAP(dac, out) (((out) & 0xf) << (dac + 1) * 4)
31 #define SUN4I_TVE_EN_ENABLE BIT(0)
33 #define SUN4I_TVE_CFG0_REG 0x004
34 #define SUN4I_TVE_CFG0_DAC_CONTROL_54M BIT(26)
35 #define SUN4I_TVE_CFG0_CORE_DATAPATH_54M BIT(25)
36 #define SUN4I_TVE_CFG0_CORE_CONTROL_54M BIT(24)
37 #define SUN4I_TVE_CFG0_YC_EN BIT(17)
38 #define SUN4I_TVE_CFG0_COMP_EN BIT(16)
39 #define SUN4I_TVE_CFG0_RES(x) ((x) & 0xf)
40 #define SUN4I_TVE_CFG0_RES_480i SUN4I_TVE_CFG0_RES(0)
41 #define SUN4I_TVE_CFG0_RES_576i SUN4I_TVE_CFG0_RES(1)
43 #define SUN4I_TVE_DAC0_REG 0x008
44 #define SUN4I_TVE_DAC0_CLOCK_INVERT BIT(24)
45 #define SUN4I_TVE_DAC0_LUMA(x) (((x) & 3) << 20)
46 #define SUN4I_TVE_DAC0_LUMA_0_4 SUN4I_TVE_DAC0_LUMA(3)
47 #define SUN4I_TVE_DAC0_CHROMA(x) (((x) & 3) << 18)
48 #define SUN4I_TVE_DAC0_CHROMA_0_75 SUN4I_TVE_DAC0_CHROMA(3)
49 #define SUN4I_TVE_DAC0_INTERNAL_DAC(x) (((x) & 3) << 16)
50 #define SUN4I_TVE_DAC0_INTERNAL_DAC_37_5_OHMS SUN4I_TVE_DAC0_INTERNAL_DAC(3)
51 #define SUN4I_TVE_DAC0_DAC_EN(dac) BIT(dac)
53 #define SUN4I_TVE_NOTCH_REG 0x00c
54 #define SUN4I_TVE_NOTCH_DAC0_TO_DAC_DLY(dac, x) ((4 - (x)) << (dac * 3))
56 #define SUN4I_TVE_CHROMA_FREQ_REG 0x010
58 #define SUN4I_TVE_PORCH_REG 0x014
59 #define SUN4I_TVE_PORCH_BACK(x) ((x) << 16)
60 #define SUN4I_TVE_PORCH_FRONT(x) (x)
62 #define SUN4I_TVE_LINE_REG 0x01c
63 #define SUN4I_TVE_LINE_FIRST(x) ((x) << 16)
64 #define SUN4I_TVE_LINE_NUMBER(x) (x)
66 #define SUN4I_TVE_LEVEL_REG 0x020
67 #define SUN4I_TVE_LEVEL_BLANK(x) ((x) << 16)
68 #define SUN4I_TVE_LEVEL_BLACK(x) (x)
70 #define SUN4I_TVE_DAC1_REG 0x024
71 #define SUN4I_TVE_DAC1_AMPLITUDE(dac, x) ((x) << (dac * 8))
73 #define SUN4I_TVE_DETECT_STA_REG 0x038
74 #define SUN4I_TVE_DETECT_STA_DAC(dac) BIT((dac * 8))
75 #define SUN4I_TVE_DETECT_STA_UNCONNECTED 0
76 #define SUN4I_TVE_DETECT_STA_CONNECTED 1
77 #define SUN4I_TVE_DETECT_STA_GROUND 2
79 #define SUN4I_TVE_CB_CR_LVL_REG 0x10c
80 #define SUN4I_TVE_CB_CR_LVL_CR_BURST(x) ((x) << 8)
81 #define SUN4I_TVE_CB_CR_LVL_CB_BURST(x) (x)
83 #define SUN4I_TVE_TINT_BURST_PHASE_REG 0x110
84 #define SUN4I_TVE_TINT_BURST_PHASE_CHROMA(x) (x)
86 #define SUN4I_TVE_BURST_WIDTH_REG 0x114
87 #define SUN4I_TVE_BURST_WIDTH_BREEZEWAY(x) ((x) << 16)
88 #define SUN4I_TVE_BURST_WIDTH_BURST_WIDTH(x) ((x) << 8)
89 #define SUN4I_TVE_BURST_WIDTH_HSYNC_WIDTH(x) (x)
91 #define SUN4I_TVE_CB_CR_GAIN_REG 0x118
92 #define SUN4I_TVE_CB_CR_GAIN_CR(x) ((x) << 8)
93 #define SUN4I_TVE_CB_CR_GAIN_CB(x) (x)
95 #define SUN4I_TVE_SYNC_VBI_REG 0x11c
96 #define SUN4I_TVE_SYNC_VBI_SYNC(x) ((x) << 16)
97 #define SUN4I_TVE_SYNC_VBI_VBLANK(x) (x)
99 #define SUN4I_TVE_ACTIVE_LINE_REG 0x124
100 #define SUN4I_TVE_ACTIVE_LINE(x) (x)
102 #define SUN4I_TVE_CHROMA_REG 0x128
103 #define SUN4I_TVE_CHROMA_COMP_GAIN(x) ((x) & 3)
104 #define SUN4I_TVE_CHROMA_COMP_GAIN_50 SUN4I_TVE_CHROMA_COMP_GAIN(2)
106 #define SUN4I_TVE_12C_REG 0x12c
107 #define SUN4I_TVE_12C_NOTCH_WIDTH_WIDE BIT(8)
108 #define SUN4I_TVE_12C_COMP_YUV_EN BIT(0)
110 #define SUN4I_TVE_RESYNC_REG 0x130
111 #define SUN4I_TVE_RESYNC_FIELD BIT(31)
112 #define SUN4I_TVE_RESYNC_LINE(x) ((x) << 16)
113 #define SUN4I_TVE_RESYNC_PIXEL(x) (x)
115 #define SUN4I_TVE_SLAVE_REG 0x134
117 #define SUN4I_TVE_WSS_DATA2_REG 0x244
124 struct burst_levels {
129 struct video_levels {
134 struct resync_parameters {
164 const struct color_gains *color_gains;
165 const struct burst_levels *burst_levels;
166 const struct video_levels *video_levels;
167 const struct resync_parameters *resync_params;
171 struct drm_connector connector;
172 struct drm_encoder encoder;
176 struct reset_control *reset;
178 struct sun4i_drv *drv;
181 static const struct video_levels ntsc_video_levels = {
182 .black = 282, .blank = 240,
185 static const struct video_levels pal_video_levels = {
186 .black = 252, .blank = 252,
189 static const struct burst_levels ntsc_burst_levels = {
193 static const struct burst_levels pal_burst_levels = {
197 static const struct color_gains ntsc_color_gains = {
198 .cb = 160, .cr = 160,
201 static const struct color_gains pal_color_gains = {
202 .cb = 224, .cr = 224,
205 static const struct resync_parameters ntsc_resync_parameters = {
206 .field = false, .line = 14, .pixel = 12,
209 static const struct resync_parameters pal_resync_parameters = {
210 .field = true, .line = 13, .pixel = 12,
213 static const struct tv_mode tv_modes[] = {
216 .mode = SUN4I_TVE_CFG0_RES_480i,
217 .chroma_freq = 0x21f07c1f,
220 .dac_bit25_en = true,
238 .color_gains = &ntsc_color_gains,
239 .burst_levels = &ntsc_burst_levels,
240 .video_levels = &ntsc_video_levels,
241 .resync_params = &ntsc_resync_parameters,
245 .mode = SUN4I_TVE_CFG0_RES_576i,
246 .chroma_freq = 0x2a098acb,
264 .color_gains = &pal_color_gains,
265 .burst_levels = &pal_burst_levels,
266 .video_levels = &pal_video_levels,
267 .resync_params = &pal_resync_parameters,
271 static inline struct sun4i_tv *
272 drm_encoder_to_sun4i_tv(struct drm_encoder *encoder)
274 return container_of(encoder, struct sun4i_tv,
278 static inline struct sun4i_tv *
279 drm_connector_to_sun4i_tv(struct drm_connector *connector)
281 return container_of(connector, struct sun4i_tv,
286 * FIXME: If only the drm_display_mode private field was usable, this
289 * So far, it doesn't seem to be preserved when the mode is passed by
290 * to mode_set for some reason.
292 static const struct tv_mode *sun4i_tv_find_tv_by_mode(const struct drm_display_mode *mode)
296 /* First try to identify the mode by name */
297 for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
298 const struct tv_mode *tv_mode = &tv_modes[i];
300 DRM_DEBUG_DRIVER("Comparing mode %s vs %s",
301 mode->name, tv_mode->name);
303 if (!strcmp(mode->name, tv_mode->name))
307 /* Then by number of lines */
308 for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
309 const struct tv_mode *tv_mode = &tv_modes[i];
311 DRM_DEBUG_DRIVER("Comparing mode %s vs %s (X: %d vs %d)",
312 mode->name, tv_mode->name,
313 mode->vdisplay, tv_mode->vdisplay);
315 if (mode->vdisplay == tv_mode->vdisplay)
322 static void sun4i_tv_mode_to_drm_mode(const struct tv_mode *tv_mode,
323 struct drm_display_mode *mode)
325 DRM_DEBUG_DRIVER("Creating mode %s\n", mode->name);
327 mode->type = DRM_MODE_TYPE_DRIVER;
329 mode->flags = DRM_MODE_FLAG_INTERLACE;
331 mode->hdisplay = tv_mode->hdisplay;
332 mode->hsync_start = mode->hdisplay + tv_mode->hfront_porch;
333 mode->hsync_end = mode->hsync_start + tv_mode->hsync_len;
334 mode->htotal = mode->hsync_end + tv_mode->hback_porch;
336 mode->vdisplay = tv_mode->vdisplay;
337 mode->vsync_start = mode->vdisplay + tv_mode->vfront_porch;
338 mode->vsync_end = mode->vsync_start + tv_mode->vsync_len;
339 mode->vtotal = mode->vsync_end + tv_mode->vback_porch;
342 static int sun4i_tv_atomic_check(struct drm_encoder *encoder,
343 struct drm_crtc_state *crtc_state,
344 struct drm_connector_state *conn_state)
349 static void sun4i_tv_disable(struct drm_encoder *encoder)
351 struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
352 struct sun4i_drv *drv = tv->drv;
353 struct sun4i_tcon *tcon = drv->tcon;
355 DRM_DEBUG_DRIVER("Disabling the TV Output\n");
357 sun4i_tcon_channel_disable(tcon, 1);
359 regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
362 sun4i_backend_disable_color_correction(drv->backend);
365 static void sun4i_tv_enable(struct drm_encoder *encoder)
367 struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
368 struct sun4i_drv *drv = tv->drv;
369 struct sun4i_tcon *tcon = drv->tcon;
371 DRM_DEBUG_DRIVER("Enabling the TV Output\n");
373 sun4i_backend_apply_color_correction(drv->backend);
375 regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
377 SUN4I_TVE_EN_ENABLE);
379 sun4i_tcon_channel_enable(tcon, 1);
382 static void sun4i_tv_mode_set(struct drm_encoder *encoder,
383 struct drm_display_mode *mode,
384 struct drm_display_mode *adjusted_mode)
386 struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
387 struct sun4i_drv *drv = tv->drv;
388 struct sun4i_tcon *tcon = drv->tcon;
389 const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
391 sun4i_tcon1_mode_set(tcon, mode);
393 /* Enable and map the DAC to the output */
394 regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
395 SUN4I_TVE_EN_DAC_MAP_MASK,
396 SUN4I_TVE_EN_DAC_MAP(0, 1) |
397 SUN4I_TVE_EN_DAC_MAP(1, 2) |
398 SUN4I_TVE_EN_DAC_MAP(2, 3) |
399 SUN4I_TVE_EN_DAC_MAP(3, 4));
401 /* Set PAL settings */
402 regmap_write(tv->regs, SUN4I_TVE_CFG0_REG,
404 (tv_mode->yc_en ? SUN4I_TVE_CFG0_YC_EN : 0) |
405 SUN4I_TVE_CFG0_COMP_EN |
406 SUN4I_TVE_CFG0_DAC_CONTROL_54M |
407 SUN4I_TVE_CFG0_CORE_DATAPATH_54M |
408 SUN4I_TVE_CFG0_CORE_CONTROL_54M);
410 /* Configure the DAC for a composite output */
411 regmap_write(tv->regs, SUN4I_TVE_DAC0_REG,
412 SUN4I_TVE_DAC0_DAC_EN(0) |
413 (tv_mode->dac3_en ? SUN4I_TVE_DAC0_DAC_EN(3) : 0) |
414 SUN4I_TVE_DAC0_INTERNAL_DAC_37_5_OHMS |
415 SUN4I_TVE_DAC0_CHROMA_0_75 |
416 SUN4I_TVE_DAC0_LUMA_0_4 |
417 SUN4I_TVE_DAC0_CLOCK_INVERT |
418 (tv_mode->dac_bit25_en ? BIT(25) : 0) |
421 /* Configure the sample delay between DAC0 and the other DAC */
422 regmap_write(tv->regs, SUN4I_TVE_NOTCH_REG,
423 SUN4I_TVE_NOTCH_DAC0_TO_DAC_DLY(1, 0) |
424 SUN4I_TVE_NOTCH_DAC0_TO_DAC_DLY(2, 0));
426 regmap_write(tv->regs, SUN4I_TVE_CHROMA_FREQ_REG,
427 tv_mode->chroma_freq);
429 /* Set the front and back porch */
430 regmap_write(tv->regs, SUN4I_TVE_PORCH_REG,
431 SUN4I_TVE_PORCH_BACK(tv_mode->back_porch) |
432 SUN4I_TVE_PORCH_FRONT(tv_mode->front_porch));
434 /* Set the lines setup */
435 regmap_write(tv->regs, SUN4I_TVE_LINE_REG,
436 SUN4I_TVE_LINE_FIRST(22) |
437 SUN4I_TVE_LINE_NUMBER(tv_mode->line_number));
439 regmap_write(tv->regs, SUN4I_TVE_LEVEL_REG,
440 SUN4I_TVE_LEVEL_BLANK(tv_mode->video_levels->blank) |
441 SUN4I_TVE_LEVEL_BLACK(tv_mode->video_levels->black));
443 regmap_write(tv->regs, SUN4I_TVE_DAC1_REG,
444 SUN4I_TVE_DAC1_AMPLITUDE(0, 0x18) |
445 SUN4I_TVE_DAC1_AMPLITUDE(1, 0x18) |
446 SUN4I_TVE_DAC1_AMPLITUDE(2, 0x18) |
447 SUN4I_TVE_DAC1_AMPLITUDE(3, 0x18));
449 regmap_write(tv->regs, SUN4I_TVE_CB_CR_LVL_REG,
450 SUN4I_TVE_CB_CR_LVL_CB_BURST(tv_mode->burst_levels->cb) |
451 SUN4I_TVE_CB_CR_LVL_CR_BURST(tv_mode->burst_levels->cr));
453 /* Set burst width for a composite output */
454 regmap_write(tv->regs, SUN4I_TVE_BURST_WIDTH_REG,
455 SUN4I_TVE_BURST_WIDTH_HSYNC_WIDTH(126) |
456 SUN4I_TVE_BURST_WIDTH_BURST_WIDTH(68) |
457 SUN4I_TVE_BURST_WIDTH_BREEZEWAY(22));
459 regmap_write(tv->regs, SUN4I_TVE_CB_CR_GAIN_REG,
460 SUN4I_TVE_CB_CR_GAIN_CB(tv_mode->color_gains->cb) |
461 SUN4I_TVE_CB_CR_GAIN_CR(tv_mode->color_gains->cr));
463 regmap_write(tv->regs, SUN4I_TVE_SYNC_VBI_REG,
464 SUN4I_TVE_SYNC_VBI_SYNC(0x10) |
465 SUN4I_TVE_SYNC_VBI_VBLANK(tv_mode->vblank_level));
467 regmap_write(tv->regs, SUN4I_TVE_ACTIVE_LINE_REG,
468 SUN4I_TVE_ACTIVE_LINE(1440));
470 /* Set composite chroma gain to 50 % */
471 regmap_write(tv->regs, SUN4I_TVE_CHROMA_REG,
472 SUN4I_TVE_CHROMA_COMP_GAIN_50);
474 regmap_write(tv->regs, SUN4I_TVE_12C_REG,
475 SUN4I_TVE_12C_COMP_YUV_EN |
476 SUN4I_TVE_12C_NOTCH_WIDTH_WIDE);
478 regmap_write(tv->regs, SUN4I_TVE_RESYNC_REG,
479 SUN4I_TVE_RESYNC_PIXEL(tv_mode->resync_params->pixel) |
480 SUN4I_TVE_RESYNC_LINE(tv_mode->resync_params->line) |
481 (tv_mode->resync_params->field ?
482 SUN4I_TVE_RESYNC_FIELD : 0));
484 regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0);
486 clk_set_rate(tcon->sclk1, mode->crtc_clock * 1000);
489 static struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
490 .atomic_check = sun4i_tv_atomic_check,
491 .disable = sun4i_tv_disable,
492 .enable = sun4i_tv_enable,
493 .mode_set = sun4i_tv_mode_set,
496 static void sun4i_tv_destroy(struct drm_encoder *encoder)
498 drm_encoder_cleanup(encoder);
501 static struct drm_encoder_funcs sun4i_tv_funcs = {
502 .destroy = sun4i_tv_destroy,
505 static int sun4i_tv_comp_get_modes(struct drm_connector *connector)
509 for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
510 struct drm_display_mode *mode = drm_mode_create(connector->dev);
511 const struct tv_mode *tv_mode = &tv_modes[i];
513 strcpy(mode->name, tv_mode->name);
515 sun4i_tv_mode_to_drm_mode(tv_mode, mode);
516 drm_mode_probed_add(connector, mode);
522 static int sun4i_tv_comp_mode_valid(struct drm_connector *connector,
523 struct drm_display_mode *mode)
529 static struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = {
530 .get_modes = sun4i_tv_comp_get_modes,
531 .mode_valid = sun4i_tv_comp_mode_valid,
534 static enum drm_connector_status
535 sun4i_tv_comp_connector_detect(struct drm_connector *connector, bool force)
537 return connector_status_connected;
541 sun4i_tv_comp_connector_destroy(struct drm_connector *connector)
543 drm_connector_cleanup(connector);
546 static struct drm_connector_funcs sun4i_tv_comp_connector_funcs = {
547 .dpms = drm_atomic_helper_connector_dpms,
548 .detect = sun4i_tv_comp_connector_detect,
549 .fill_modes = drm_helper_probe_single_connector_modes,
550 .destroy = sun4i_tv_comp_connector_destroy,
551 .reset = drm_atomic_helper_connector_reset,
552 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
553 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
556 static struct regmap_config sun4i_tv_regmap_config = {
560 .max_register = SUN4I_TVE_WSS_DATA2_REG,
561 .name = "tv-encoder",
564 static int sun4i_tv_bind(struct device *dev, struct device *master,
567 struct platform_device *pdev = to_platform_device(dev);
568 struct drm_device *drm = data;
569 struct sun4i_drv *drv = drm->dev_private;
571 struct resource *res;
575 tv = devm_kzalloc(dev, sizeof(*tv), GFP_KERNEL);
579 dev_set_drvdata(dev, tv);
581 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
582 regs = devm_ioremap_resource(dev, res);
584 dev_err(dev, "Couldn't map the TV encoder registers\n");
585 return PTR_ERR(regs);
588 tv->regs = devm_regmap_init_mmio(dev, regs,
589 &sun4i_tv_regmap_config);
590 if (IS_ERR(tv->regs)) {
591 dev_err(dev, "Couldn't create the TV encoder regmap\n");
592 return PTR_ERR(tv->regs);
595 tv->reset = devm_reset_control_get(dev, NULL);
596 if (IS_ERR(tv->reset)) {
597 dev_err(dev, "Couldn't get our reset line\n");
598 return PTR_ERR(tv->reset);
601 ret = reset_control_deassert(tv->reset);
603 dev_err(dev, "Couldn't deassert our reset line\n");
607 tv->clk = devm_clk_get(dev, NULL);
608 if (IS_ERR(tv->clk)) {
609 dev_err(dev, "Couldn't get the TV encoder clock\n");
610 ret = PTR_ERR(tv->clk);
611 goto err_assert_reset;
613 clk_prepare_enable(tv->clk);
615 drm_encoder_helper_add(&tv->encoder,
616 &sun4i_tv_helper_funcs);
617 ret = drm_encoder_init(drm,
620 DRM_MODE_ENCODER_TVDAC,
623 dev_err(dev, "Couldn't initialise the TV encoder\n");
624 goto err_disable_clk;
627 tv->encoder.possible_crtcs = BIT(0);
629 drm_connector_helper_add(&tv->connector,
630 &sun4i_tv_comp_connector_helper_funcs);
631 ret = drm_connector_init(drm, &tv->connector,
632 &sun4i_tv_comp_connector_funcs,
633 DRM_MODE_CONNECTOR_Composite);
636 "Couldn't initialise the Composite connector\n");
637 goto err_cleanup_connector;
639 tv->connector.interlace_allowed = true;
641 drm_mode_connector_attach_encoder(&tv->connector, &tv->encoder);
645 err_cleanup_connector:
646 drm_encoder_cleanup(&tv->encoder);
648 clk_disable_unprepare(tv->clk);
650 reset_control_assert(tv->reset);
654 static void sun4i_tv_unbind(struct device *dev, struct device *master,
657 struct sun4i_tv *tv = dev_get_drvdata(dev);
659 drm_connector_cleanup(&tv->connector);
660 drm_encoder_cleanup(&tv->encoder);
661 clk_disable_unprepare(tv->clk);
664 static struct component_ops sun4i_tv_ops = {
665 .bind = sun4i_tv_bind,
666 .unbind = sun4i_tv_unbind,
669 static int sun4i_tv_probe(struct platform_device *pdev)
671 return component_add(&pdev->dev, &sun4i_tv_ops);
674 static int sun4i_tv_remove(struct platform_device *pdev)
676 component_del(&pdev->dev, &sun4i_tv_ops);
681 static const struct of_device_id sun4i_tv_of_table[] = {
682 { .compatible = "allwinner,sun4i-a10-tv-encoder" },
685 MODULE_DEVICE_TABLE(of, sun4i_tv_of_table);
687 static struct platform_driver sun4i_tv_platform_driver = {
688 .probe = sun4i_tv_probe,
689 .remove = sun4i_tv_remove,
692 .of_match_table = sun4i_tv_of_table,
695 module_platform_driver(sun4i_tv_platform_driver);
697 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
698 MODULE_DESCRIPTION("Allwinner A10 TV Encoder Driver");
699 MODULE_LICENSE("GPL");