Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1 | /* exynos_drm_fimd.c |
| 2 | * |
| 3 | * Copyright (C) 2011 Samsung Electronics Co.Ltd |
| 4 | * Authors: |
| 5 | * Joonyoung Shim <jy0922.shim@samsung.com> |
| 6 | * Inki Dae <inki.dae@samsung.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | */ |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 14 | #include <drm/drmP.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 15 | |
| 16 | #include <linux/kernel.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/clk.h> |
Sachin Kamat | 3f1c781 | 2013-08-14 16:38:01 +0530 | [diff] [blame] | 19 | #include <linux/of.h> |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 20 | #include <linux/of_device.h> |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 21 | #include <linux/pm_runtime.h> |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 22 | #include <linux/component.h> |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 23 | #include <linux/mfd/syscon.h> |
| 24 | #include <linux/regmap.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 25 | |
Vikas Sajjan | 7f4596f | 2013-03-07 12:15:21 +0530 | [diff] [blame] | 26 | #include <video/of_display_timing.h> |
Andrzej Hajda | 111e605 | 2013-08-21 16:22:01 +0200 | [diff] [blame] | 27 | #include <video/of_videomode.h> |
Leela Krishna Amudala | 5a213a5 | 2012-08-08 09:44:49 +0900 | [diff] [blame] | 28 | #include <video/samsung_fimd.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 29 | #include <drm/exynos_drm.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 30 | |
| 31 | #include "exynos_drm_drv.h" |
| 32 | #include "exynos_drm_fbdev.h" |
| 33 | #include "exynos_drm_crtc.h" |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 34 | #include "exynos_drm_plane.h" |
Inki Dae | bcc5cd1 | 2012-10-19 17:16:36 +0900 | [diff] [blame] | 35 | #include "exynos_drm_iommu.h" |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 36 | |
| 37 | /* |
Sachin Kamat | b8654b3 | 2013-09-19 10:39:44 +0530 | [diff] [blame] | 38 | * FIMD stands for Fully Interactive Mobile Display and |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 39 | * as a display controller, it transfers contents drawn on memory |
| 40 | * to a LCD Panel through Display Interfaces such as RGB or |
| 41 | * CPU Interface. |
| 42 | */ |
| 43 | |
Andrzej Hajda | 111e605 | 2013-08-21 16:22:01 +0200 | [diff] [blame] | 44 | #define FIMD_DEFAULT_FRAMERATE 60 |
Rahul Sharma | 6636746 | 2014-05-07 16:55:22 +0530 | [diff] [blame] | 45 | #define MIN_FB_WIDTH_FOR_16WORD_BURST 128 |
Andrzej Hajda | 111e605 | 2013-08-21 16:22:01 +0200 | [diff] [blame] | 46 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 47 | /* position control register for hardware window 0, 2 ~ 4.*/ |
| 48 | #define VIDOSD_A(win) (VIDOSD_BASE + 0x00 + (win) * 16) |
| 49 | #define VIDOSD_B(win) (VIDOSD_BASE + 0x04 + (win) * 16) |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 50 | /* |
| 51 | * size control register for hardware windows 0 and alpha control register |
| 52 | * for hardware windows 1 ~ 4 |
| 53 | */ |
| 54 | #define VIDOSD_C(win) (VIDOSD_BASE + 0x08 + (win) * 16) |
| 55 | /* size control register for hardware windows 1 ~ 2. */ |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 56 | #define VIDOSD_D(win) (VIDOSD_BASE + 0x0C + (win) * 16) |
| 57 | |
Gustavo Padovan | 453b44a | 2015-04-01 13:02:05 -0300 | [diff] [blame] | 58 | #define VIDWnALPHA0(win) (VIDW_ALPHA + 0x00 + (win) * 8) |
| 59 | #define VIDWnALPHA1(win) (VIDW_ALPHA + 0x04 + (win) * 8) |
| 60 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 61 | #define VIDWx_BUF_START(win, buf) (VIDW_BUF_START(buf) + (win) * 8) |
| 62 | #define VIDWx_BUF_END(win, buf) (VIDW_BUF_END(buf) + (win) * 8) |
| 63 | #define VIDWx_BUF_SIZE(win, buf) (VIDW_BUF_SIZE(buf) + (win) * 4) |
| 64 | |
| 65 | /* color key control register for hardware window 1 ~ 4. */ |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 66 | #define WKEYCON0_BASE(x) ((WKEYCON0 + 0x140) + ((x - 1) * 8)) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 67 | /* color key value register for hardware window 1 ~ 4. */ |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 68 | #define WKEYCON1_BASE(x) ((WKEYCON1 + 0x140) + ((x - 1) * 8)) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 69 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 70 | /* I80 / RGB trigger control register */ |
| 71 | #define TRIGCON 0x1A4 |
| 72 | #define TRGMODE_I80_RGB_ENABLE_I80 (1 << 0) |
| 73 | #define SWTRGCMD_I80_RGB_ENABLE (1 << 1) |
| 74 | |
| 75 | /* display mode change control register except exynos4 */ |
| 76 | #define VIDOUT_CON 0x000 |
| 77 | #define VIDOUT_CON_F_I80_LDI0 (0x2 << 8) |
| 78 | |
| 79 | /* I80 interface control for main LDI register */ |
| 80 | #define I80IFCONFAx(x) (0x1B0 + (x) * 4) |
| 81 | #define I80IFCONFBx(x) (0x1B8 + (x) * 4) |
| 82 | #define LCD_CS_SETUP(x) ((x) << 16) |
| 83 | #define LCD_WR_SETUP(x) ((x) << 12) |
| 84 | #define LCD_WR_ACTIVE(x) ((x) << 8) |
| 85 | #define LCD_WR_HOLD(x) ((x) << 4) |
| 86 | #define I80IFEN_ENABLE (1 << 0) |
| 87 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 88 | /* FIMD has totally five hardware windows. */ |
| 89 | #define WINDOWS_NR 5 |
| 90 | |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 91 | struct fimd_driver_data { |
| 92 | unsigned int timing_base; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 93 | unsigned int lcdblk_offset; |
| 94 | unsigned int lcdblk_vt_shift; |
| 95 | unsigned int lcdblk_bypass_shift; |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 96 | |
| 97 | unsigned int has_shadowcon:1; |
Tomasz Figa | 411d9ed | 2013-05-01 21:02:28 +0200 | [diff] [blame] | 98 | unsigned int has_clksel:1; |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 99 | unsigned int has_limited_fmt:1; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 100 | unsigned int has_vidoutcon:1; |
Joonyoung Shim | 3c3c9c1 | 2014-11-14 11:36:02 +0900 | [diff] [blame] | 101 | unsigned int has_vtsel:1; |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 102 | }; |
| 103 | |
Tomasz Figa | 725ddea | 2013-05-01 21:02:29 +0200 | [diff] [blame] | 104 | static struct fimd_driver_data s3c64xx_fimd_driver_data = { |
| 105 | .timing_base = 0x0, |
| 106 | .has_clksel = 1, |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 107 | .has_limited_fmt = 1, |
Tomasz Figa | 725ddea | 2013-05-01 21:02:29 +0200 | [diff] [blame] | 108 | }; |
| 109 | |
Inki Dae | d6ce7b5 | 2014-08-18 16:53:19 +0900 | [diff] [blame] | 110 | static struct fimd_driver_data exynos3_fimd_driver_data = { |
| 111 | .timing_base = 0x20000, |
| 112 | .lcdblk_offset = 0x210, |
| 113 | .lcdblk_bypass_shift = 1, |
| 114 | .has_shadowcon = 1, |
| 115 | .has_vidoutcon = 1, |
| 116 | }; |
| 117 | |
Sachin Kamat | 6ecf18f | 2012-11-19 15:22:54 +0530 | [diff] [blame] | 118 | static struct fimd_driver_data exynos4_fimd_driver_data = { |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 119 | .timing_base = 0x0, |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 120 | .lcdblk_offset = 0x210, |
| 121 | .lcdblk_vt_shift = 10, |
| 122 | .lcdblk_bypass_shift = 1, |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 123 | .has_shadowcon = 1, |
Joonyoung Shim | 3c3c9c1 | 2014-11-14 11:36:02 +0900 | [diff] [blame] | 124 | .has_vtsel = 1, |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 125 | }; |
| 126 | |
YoungJun Cho | dcb622a | 2014-11-07 15:12:25 +0900 | [diff] [blame] | 127 | static struct fimd_driver_data exynos4415_fimd_driver_data = { |
| 128 | .timing_base = 0x20000, |
| 129 | .lcdblk_offset = 0x210, |
| 130 | .lcdblk_vt_shift = 10, |
| 131 | .lcdblk_bypass_shift = 1, |
| 132 | .has_shadowcon = 1, |
| 133 | .has_vidoutcon = 1, |
Joonyoung Shim | 3c3c9c1 | 2014-11-14 11:36:02 +0900 | [diff] [blame] | 134 | .has_vtsel = 1, |
YoungJun Cho | dcb622a | 2014-11-07 15:12:25 +0900 | [diff] [blame] | 135 | }; |
| 136 | |
Sachin Kamat | 6ecf18f | 2012-11-19 15:22:54 +0530 | [diff] [blame] | 137 | static struct fimd_driver_data exynos5_fimd_driver_data = { |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 138 | .timing_base = 0x20000, |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 139 | .lcdblk_offset = 0x214, |
| 140 | .lcdblk_vt_shift = 24, |
| 141 | .lcdblk_bypass_shift = 15, |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 142 | .has_shadowcon = 1, |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 143 | .has_vidoutcon = 1, |
Joonyoung Shim | 3c3c9c1 | 2014-11-14 11:36:02 +0900 | [diff] [blame] | 144 | .has_vtsel = 1, |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 145 | }; |
| 146 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 147 | struct fimd_context { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 148 | struct device *dev; |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 149 | struct drm_device *drm_dev; |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 150 | struct exynos_drm_crtc *crtc; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 151 | struct exynos_drm_plane planes[WINDOWS_NR]; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 152 | struct clk *bus_clk; |
| 153 | struct clk *lcd_clk; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 154 | void __iomem *regs; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 155 | struct regmap *sysreg; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 156 | unsigned int default_win; |
| 157 | unsigned long irq_flags; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 158 | u32 vidcon0; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 159 | u32 vidcon1; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 160 | u32 vidout_con; |
| 161 | u32 i80ifcon; |
| 162 | bool i80_if; |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 163 | bool suspended; |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 164 | int pipe; |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 165 | wait_queue_head_t wait_vsync_queue; |
| 166 | atomic_t wait_vsync_event; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 167 | atomic_t win_updated; |
| 168 | atomic_t triggering; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 169 | |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 170 | struct exynos_drm_panel_info panel; |
Tomasz Figa | 1887346 | 2013-05-01 21:02:26 +0200 | [diff] [blame] | 171 | struct fimd_driver_data *driver_data; |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 172 | struct exynos_drm_display *display; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 173 | }; |
| 174 | |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 175 | static const struct of_device_id fimd_driver_dt_match[] = { |
Tomasz Figa | 725ddea | 2013-05-01 21:02:29 +0200 | [diff] [blame] | 176 | { .compatible = "samsung,s3c6400-fimd", |
| 177 | .data = &s3c64xx_fimd_driver_data }, |
Inki Dae | d6ce7b5 | 2014-08-18 16:53:19 +0900 | [diff] [blame] | 178 | { .compatible = "samsung,exynos3250-fimd", |
| 179 | .data = &exynos3_fimd_driver_data }, |
Vikas Sajjan | 5830daf | 2013-02-27 16:02:58 +0530 | [diff] [blame] | 180 | { .compatible = "samsung,exynos4210-fimd", |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 181 | .data = &exynos4_fimd_driver_data }, |
YoungJun Cho | dcb622a | 2014-11-07 15:12:25 +0900 | [diff] [blame] | 182 | { .compatible = "samsung,exynos4415-fimd", |
| 183 | .data = &exynos4415_fimd_driver_data }, |
Vikas Sajjan | 5830daf | 2013-02-27 16:02:58 +0530 | [diff] [blame] | 184 | { .compatible = "samsung,exynos5250-fimd", |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 185 | .data = &exynos5_fimd_driver_data }, |
| 186 | {}, |
| 187 | }; |
Sjoerd Simons | 0262cee | 2014-07-30 11:28:31 +0900 | [diff] [blame] | 188 | MODULE_DEVICE_TABLE(of, fimd_driver_dt_match); |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 189 | |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 190 | static inline struct fimd_driver_data *drm_fimd_get_driver_data( |
| 191 | struct platform_device *pdev) |
| 192 | { |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 193 | const struct of_device_id *of_id = |
| 194 | of_match_device(fimd_driver_dt_match, &pdev->dev); |
| 195 | |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 196 | return (struct fimd_driver_data *)of_id->data; |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 197 | } |
| 198 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 199 | static void fimd_wait_for_vblank(struct exynos_drm_crtc *crtc) |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 200 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 201 | struct fimd_context *ctx = crtc->ctx; |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 202 | |
| 203 | if (ctx->suspended) |
| 204 | return; |
| 205 | |
| 206 | atomic_set(&ctx->wait_vsync_event, 1); |
| 207 | |
| 208 | /* |
| 209 | * wait for FIMD to signal VSYNC interrupt or return after |
| 210 | * timeout which is set to 50ms (refresh rate of 20). |
| 211 | */ |
| 212 | if (!wait_event_timeout(ctx->wait_vsync_queue, |
| 213 | !atomic_read(&ctx->wait_vsync_event), |
| 214 | HZ/20)) |
| 215 | DRM_DEBUG_KMS("vblank wait timed out.\n"); |
| 216 | } |
| 217 | |
Tobias Jakobi | 5b1d5bc | 2015-05-06 14:10:22 +0200 | [diff] [blame] | 218 | static void fimd_enable_video_output(struct fimd_context *ctx, unsigned int win, |
YoungJun Cho | f181a54 | 2014-11-17 22:00:10 +0900 | [diff] [blame] | 219 | bool enable) |
| 220 | { |
| 221 | u32 val = readl(ctx->regs + WINCON(win)); |
| 222 | |
| 223 | if (enable) |
| 224 | val |= WINCONx_ENWIN; |
| 225 | else |
| 226 | val &= ~WINCONx_ENWIN; |
| 227 | |
| 228 | writel(val, ctx->regs + WINCON(win)); |
| 229 | } |
| 230 | |
Tobias Jakobi | 5b1d5bc | 2015-05-06 14:10:22 +0200 | [diff] [blame] | 231 | static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, |
| 232 | unsigned int win, |
YoungJun Cho | 999d8b3 | 2014-11-17 22:00:11 +0900 | [diff] [blame] | 233 | bool enable) |
| 234 | { |
| 235 | u32 val = readl(ctx->regs + SHADOWCON); |
| 236 | |
| 237 | if (enable) |
| 238 | val |= SHADOWCON_CHx_ENABLE(win); |
| 239 | else |
| 240 | val &= ~SHADOWCON_CHx_ENABLE(win); |
| 241 | |
| 242 | writel(val, ctx->regs + SHADOWCON); |
| 243 | } |
| 244 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 245 | static void fimd_clear_channel(struct fimd_context *ctx) |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 246 | { |
Tobias Jakobi | 5b1d5bc | 2015-05-06 14:10:22 +0200 | [diff] [blame] | 247 | unsigned int win, ch_enabled = 0; |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 248 | |
| 249 | DRM_DEBUG_KMS("%s\n", __FILE__); |
| 250 | |
| 251 | /* Check if any channel is enabled. */ |
| 252 | for (win = 0; win < WINDOWS_NR; win++) { |
Marek Szyprowski | eb8a3bf | 2014-09-01 22:27:10 +0900 | [diff] [blame] | 253 | u32 val = readl(ctx->regs + WINCON(win)); |
| 254 | |
| 255 | if (val & WINCONx_ENWIN) { |
YoungJun Cho | f181a54 | 2014-11-17 22:00:10 +0900 | [diff] [blame] | 256 | fimd_enable_video_output(ctx, win, false); |
Marek Szyprowski | eb8a3bf | 2014-09-01 22:27:10 +0900 | [diff] [blame] | 257 | |
YoungJun Cho | 999d8b3 | 2014-11-17 22:00:11 +0900 | [diff] [blame] | 258 | if (ctx->driver_data->has_shadowcon) |
| 259 | fimd_enable_shadow_channel_path(ctx, win, |
| 260 | false); |
| 261 | |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 262 | ch_enabled = 1; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | /* Wait for vsync, as disable channel takes effect at next vsync */ |
Marek Szyprowski | eb8a3bf | 2014-09-01 22:27:10 +0900 | [diff] [blame] | 267 | if (ch_enabled) { |
| 268 | unsigned int state = ctx->suspended; |
| 269 | |
| 270 | ctx->suspended = 0; |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 271 | fimd_wait_for_vblank(ctx->crtc); |
Marek Szyprowski | eb8a3bf | 2014-09-01 22:27:10 +0900 | [diff] [blame] | 272 | ctx->suspended = state; |
| 273 | } |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 274 | } |
| 275 | |
Hyungwon Hwang | cdbfca8 | 2015-03-12 13:36:02 +0900 | [diff] [blame] | 276 | static int fimd_iommu_attach_devices(struct fimd_context *ctx, |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 277 | struct drm_device *drm_dev) |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 278 | { |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 279 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 280 | /* attach this sub driver to iommu mapping if supported. */ |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 281 | if (is_drm_iommu_supported(ctx->drm_dev)) { |
Ajay Kumar | efa75bc | 2015-01-12 01:57:07 +0900 | [diff] [blame] | 282 | int ret; |
| 283 | |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 284 | /* |
| 285 | * If any channel is already active, iommu will throw |
| 286 | * a PAGE FAULT when enabled. So clear any channel if enabled. |
| 287 | */ |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 288 | fimd_clear_channel(ctx); |
Ajay Kumar | efa75bc | 2015-01-12 01:57:07 +0900 | [diff] [blame] | 289 | ret = drm_iommu_attach_device(ctx->drm_dev, ctx->dev); |
| 290 | if (ret) { |
| 291 | DRM_ERROR("drm_iommu_attach failed.\n"); |
| 292 | return ret; |
| 293 | } |
| 294 | |
Akshu Agrawal | f13bdbd | 2014-04-28 21:26:39 +0900 | [diff] [blame] | 295 | } |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 296 | |
| 297 | return 0; |
| 298 | } |
| 299 | |
Hyungwon Hwang | cdbfca8 | 2015-03-12 13:36:02 +0900 | [diff] [blame] | 300 | static void fimd_iommu_detach_devices(struct fimd_context *ctx) |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 301 | { |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 302 | /* detach this sub driver from iommu mapping if supported. */ |
| 303 | if (is_drm_iommu_supported(ctx->drm_dev)) |
| 304 | drm_iommu_detach_device(ctx->drm_dev, ctx->dev); |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 305 | } |
| 306 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 307 | static u32 fimd_calc_clkdiv(struct fimd_context *ctx, |
| 308 | const struct drm_display_mode *mode) |
| 309 | { |
| 310 | unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh; |
| 311 | u32 clkdiv; |
| 312 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 313 | if (ctx->i80_if) { |
| 314 | /* |
| 315 | * The frame done interrupt should be occurred prior to the |
| 316 | * next TE signal. |
| 317 | */ |
| 318 | ideal_clk *= 2; |
| 319 | } |
| 320 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 321 | /* Find the clock divider value that gets us closest to ideal_clk */ |
| 322 | clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk); |
| 323 | |
| 324 | return (clkdiv < 0x100) ? clkdiv : 0xff; |
| 325 | } |
| 326 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 327 | static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc, |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 328 | const struct drm_display_mode *mode, |
| 329 | struct drm_display_mode *adjusted_mode) |
| 330 | { |
| 331 | if (adjusted_mode->vrefresh == 0) |
| 332 | adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE; |
| 333 | |
| 334 | return true; |
| 335 | } |
| 336 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 337 | static void fimd_commit(struct exynos_drm_crtc *crtc) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 338 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 339 | struct fimd_context *ctx = crtc->ctx; |
Gustavo Padovan | a8dc5ed | 2014-11-27 16:28:44 -0200 | [diff] [blame] | 340 | struct drm_display_mode *mode = &crtc->base.mode; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 341 | struct fimd_driver_data *driver_data = ctx->driver_data; |
| 342 | void *timing_base = ctx->regs + driver_data->timing_base; |
| 343 | u32 val, clkdiv; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 344 | |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 345 | if (ctx->suspended) |
| 346 | return; |
| 347 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 348 | /* nothing to do if we haven't set the mode yet */ |
| 349 | if (mode->htotal == 0 || mode->vtotal == 0) |
| 350 | return; |
| 351 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 352 | if (ctx->i80_if) { |
| 353 | val = ctx->i80ifcon | I80IFEN_ENABLE; |
| 354 | writel(val, timing_base + I80IFCONFAx(0)); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 355 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 356 | /* disable auto frame rate */ |
| 357 | writel(0, timing_base + I80IFCONFBx(0)); |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 358 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 359 | /* set video type selection to I80 interface */ |
Joonyoung Shim | 3c3c9c1 | 2014-11-14 11:36:02 +0900 | [diff] [blame] | 360 | if (driver_data->has_vtsel && ctx->sysreg && |
| 361 | regmap_update_bits(ctx->sysreg, |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 362 | driver_data->lcdblk_offset, |
| 363 | 0x3 << driver_data->lcdblk_vt_shift, |
| 364 | 0x1 << driver_data->lcdblk_vt_shift)) { |
| 365 | DRM_ERROR("Failed to update sysreg for I80 i/f.\n"); |
| 366 | return; |
| 367 | } |
| 368 | } else { |
| 369 | int vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd; |
| 370 | u32 vidcon1; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 371 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 372 | /* setup polarity values */ |
| 373 | vidcon1 = ctx->vidcon1; |
| 374 | if (mode->flags & DRM_MODE_FLAG_NVSYNC) |
| 375 | vidcon1 |= VIDCON1_INV_VSYNC; |
| 376 | if (mode->flags & DRM_MODE_FLAG_NHSYNC) |
| 377 | vidcon1 |= VIDCON1_INV_HSYNC; |
| 378 | writel(vidcon1, ctx->regs + driver_data->timing_base + VIDCON1); |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 379 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 380 | /* setup vertical timing values. */ |
| 381 | vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; |
| 382 | vbpd = mode->crtc_vtotal - mode->crtc_vsync_end; |
| 383 | vfpd = mode->crtc_vsync_start - mode->crtc_vdisplay; |
| 384 | |
| 385 | val = VIDTCON0_VBPD(vbpd - 1) | |
| 386 | VIDTCON0_VFPD(vfpd - 1) | |
| 387 | VIDTCON0_VSPW(vsync_len - 1); |
| 388 | writel(val, ctx->regs + driver_data->timing_base + VIDTCON0); |
| 389 | |
| 390 | /* setup horizontal timing values. */ |
| 391 | hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; |
| 392 | hbpd = mode->crtc_htotal - mode->crtc_hsync_end; |
| 393 | hfpd = mode->crtc_hsync_start - mode->crtc_hdisplay; |
| 394 | |
| 395 | val = VIDTCON1_HBPD(hbpd - 1) | |
| 396 | VIDTCON1_HFPD(hfpd - 1) | |
| 397 | VIDTCON1_HSPW(hsync_len - 1); |
| 398 | writel(val, ctx->regs + driver_data->timing_base + VIDTCON1); |
| 399 | } |
| 400 | |
| 401 | if (driver_data->has_vidoutcon) |
| 402 | writel(ctx->vidout_con, timing_base + VIDOUT_CON); |
| 403 | |
| 404 | /* set bypass selection */ |
| 405 | if (ctx->sysreg && regmap_update_bits(ctx->sysreg, |
| 406 | driver_data->lcdblk_offset, |
| 407 | 0x1 << driver_data->lcdblk_bypass_shift, |
| 408 | 0x1 << driver_data->lcdblk_bypass_shift)) { |
| 409 | DRM_ERROR("Failed to update sysreg for bypass setting.\n"); |
| 410 | return; |
| 411 | } |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 412 | |
| 413 | /* setup horizontal and vertical display size. */ |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 414 | val = VIDTCON2_LINEVAL(mode->vdisplay - 1) | |
| 415 | VIDTCON2_HOZVAL(mode->hdisplay - 1) | |
| 416 | VIDTCON2_LINEVAL_E(mode->vdisplay - 1) | |
| 417 | VIDTCON2_HOZVAL_E(mode->hdisplay - 1); |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 418 | writel(val, ctx->regs + driver_data->timing_base + VIDTCON2); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 419 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 420 | /* |
| 421 | * fields of register with prefix '_F' would be updated |
| 422 | * at vsync(same as dma start) |
| 423 | */ |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 424 | val = ctx->vidcon0; |
| 425 | val |= VIDCON0_ENVID | VIDCON0_ENVID_F; |
Andrzej Hajda | 1d53106 | 2014-03-20 17:09:00 +0900 | [diff] [blame] | 426 | |
| 427 | if (ctx->driver_data->has_clksel) |
| 428 | val |= VIDCON0_CLKSEL_LCD; |
| 429 | |
| 430 | clkdiv = fimd_calc_clkdiv(ctx, mode); |
| 431 | if (clkdiv > 1) |
| 432 | val |= VIDCON0_CLKVAL_F(clkdiv - 1) | VIDCON0_CLKDIR; |
| 433 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 434 | writel(val, ctx->regs + VIDCON0); |
| 435 | } |
| 436 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 437 | static int fimd_enable_vblank(struct exynos_drm_crtc *crtc) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 438 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 439 | struct fimd_context *ctx = crtc->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 440 | u32 val; |
| 441 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 442 | if (ctx->suspended) |
| 443 | return -EPERM; |
| 444 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 445 | if (!test_and_set_bit(0, &ctx->irq_flags)) { |
| 446 | val = readl(ctx->regs + VIDINTCON0); |
| 447 | |
| 448 | val |= VIDINTCON0_INT_ENABLE; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 449 | |
YoungJun Cho | 1c905d9 | 2014-11-17 22:00:12 +0900 | [diff] [blame] | 450 | if (ctx->i80_if) { |
| 451 | val |= VIDINTCON0_INT_I80IFDONE; |
| 452 | val |= VIDINTCON0_INT_SYSMAINCON; |
| 453 | val &= ~VIDINTCON0_INT_SYSSUBCON; |
| 454 | } else { |
| 455 | val |= VIDINTCON0_INT_FRAME; |
| 456 | |
| 457 | val &= ~VIDINTCON0_FRAMESEL0_MASK; |
| 458 | val |= VIDINTCON0_FRAMESEL0_VSYNC; |
| 459 | val &= ~VIDINTCON0_FRAMESEL1_MASK; |
| 460 | val |= VIDINTCON0_FRAMESEL1_NONE; |
| 461 | } |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 462 | |
| 463 | writel(val, ctx->regs + VIDINTCON0); |
| 464 | } |
| 465 | |
| 466 | return 0; |
| 467 | } |
| 468 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 469 | static void fimd_disable_vblank(struct exynos_drm_crtc *crtc) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 470 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 471 | struct fimd_context *ctx = crtc->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 472 | u32 val; |
| 473 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 474 | if (ctx->suspended) |
| 475 | return; |
| 476 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 477 | if (test_and_clear_bit(0, &ctx->irq_flags)) { |
| 478 | val = readl(ctx->regs + VIDINTCON0); |
| 479 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 480 | val &= ~VIDINTCON0_INT_ENABLE; |
| 481 | |
YoungJun Cho | 1c905d9 | 2014-11-17 22:00:12 +0900 | [diff] [blame] | 482 | if (ctx->i80_if) { |
| 483 | val &= ~VIDINTCON0_INT_I80IFDONE; |
| 484 | val &= ~VIDINTCON0_INT_SYSMAINCON; |
| 485 | val &= ~VIDINTCON0_INT_SYSSUBCON; |
| 486 | } else |
| 487 | val &= ~VIDINTCON0_INT_FRAME; |
| 488 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 489 | writel(val, ctx->regs + VIDINTCON0); |
| 490 | } |
| 491 | } |
| 492 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 493 | static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 494 | { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 495 | struct exynos_drm_plane *plane = &ctx->planes[win]; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 496 | unsigned long val; |
| 497 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 498 | val = WINCONx_ENWIN; |
| 499 | |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 500 | /* |
| 501 | * In case of s3c64xx, window 0 doesn't support alpha channel. |
| 502 | * So the request format is ARGB8888 then change it to XRGB8888. |
| 503 | */ |
| 504 | if (ctx->driver_data->has_limited_fmt && !win) { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 505 | if (plane->pixel_format == DRM_FORMAT_ARGB8888) |
| 506 | plane->pixel_format = DRM_FORMAT_XRGB8888; |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 507 | } |
| 508 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 509 | switch (plane->pixel_format) { |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 510 | case DRM_FORMAT_C8: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 511 | val |= WINCON0_BPPMODE_8BPP_PALETTE; |
| 512 | val |= WINCONx_BURSTLEN_8WORD; |
| 513 | val |= WINCONx_BYTSWP; |
| 514 | break; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 515 | case DRM_FORMAT_XRGB1555: |
| 516 | val |= WINCON0_BPPMODE_16BPP_1555; |
| 517 | val |= WINCONx_HAWSWP; |
| 518 | val |= WINCONx_BURSTLEN_16WORD; |
| 519 | break; |
| 520 | case DRM_FORMAT_RGB565: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 521 | val |= WINCON0_BPPMODE_16BPP_565; |
| 522 | val |= WINCONx_HAWSWP; |
| 523 | val |= WINCONx_BURSTLEN_16WORD; |
| 524 | break; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 525 | case DRM_FORMAT_XRGB8888: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 526 | val |= WINCON0_BPPMODE_24BPP_888; |
| 527 | val |= WINCONx_WSWP; |
| 528 | val |= WINCONx_BURSTLEN_16WORD; |
| 529 | break; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 530 | case DRM_FORMAT_ARGB8888: |
| 531 | val |= WINCON1_BPPMODE_25BPP_A1888 |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 532 | | WINCON1_BLD_PIX | WINCON1_ALPHA_SEL; |
| 533 | val |= WINCONx_WSWP; |
| 534 | val |= WINCONx_BURSTLEN_16WORD; |
| 535 | break; |
| 536 | default: |
| 537 | DRM_DEBUG_KMS("invalid pixel size so using unpacked 24bpp.\n"); |
| 538 | |
| 539 | val |= WINCON0_BPPMODE_24BPP_888; |
| 540 | val |= WINCONx_WSWP; |
| 541 | val |= WINCONx_BURSTLEN_16WORD; |
| 542 | break; |
| 543 | } |
| 544 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 545 | DRM_DEBUG_KMS("bpp = %d\n", plane->bpp); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 546 | |
Rahul Sharma | 6636746 | 2014-05-07 16:55:22 +0530 | [diff] [blame] | 547 | /* |
| 548 | * In case of exynos, setting dma-burst to 16Word causes permanent |
| 549 | * tearing for very small buffers, e.g. cursor buffer. Burst Mode |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 550 | * switching which is based on plane size is not recommended as |
| 551 | * plane size varies alot towards the end of the screen and rapid |
Rahul Sharma | 6636746 | 2014-05-07 16:55:22 +0530 | [diff] [blame] | 552 | * movement causes unstable DMA which results into iommu crash/tear. |
| 553 | */ |
| 554 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 555 | if (plane->fb_width < MIN_FB_WIDTH_FOR_16WORD_BURST) { |
Rahul Sharma | 6636746 | 2014-05-07 16:55:22 +0530 | [diff] [blame] | 556 | val &= ~WINCONx_BURSTLEN_MASK; |
| 557 | val |= WINCONx_BURSTLEN_4WORD; |
| 558 | } |
| 559 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 560 | writel(val, ctx->regs + WINCON(win)); |
Gustavo Padovan | 453b44a | 2015-04-01 13:02:05 -0300 | [diff] [blame] | 561 | |
| 562 | /* hardware window 0 doesn't support alpha channel. */ |
| 563 | if (win != 0) { |
| 564 | /* OSD alpha */ |
| 565 | val = VIDISD14C_ALPHA0_R(0xf) | |
| 566 | VIDISD14C_ALPHA0_G(0xf) | |
| 567 | VIDISD14C_ALPHA0_B(0xf) | |
| 568 | VIDISD14C_ALPHA1_R(0xf) | |
| 569 | VIDISD14C_ALPHA1_G(0xf) | |
| 570 | VIDISD14C_ALPHA1_B(0xf); |
| 571 | |
| 572 | writel(val, ctx->regs + VIDOSD_C(win)); |
| 573 | |
| 574 | val = VIDW_ALPHA_R(0xf) | VIDW_ALPHA_G(0xf) | |
| 575 | VIDW_ALPHA_G(0xf); |
| 576 | writel(val, ctx->regs + VIDWnALPHA0(win)); |
| 577 | writel(val, ctx->regs + VIDWnALPHA1(win)); |
| 578 | } |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 579 | } |
| 580 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 581 | static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 582 | { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 583 | unsigned int keycon0 = 0, keycon1 = 0; |
| 584 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 585 | keycon0 = ~(WxKEYCON0_KEYBL_EN | WxKEYCON0_KEYEN_F | |
| 586 | WxKEYCON0_DIRCON) | WxKEYCON0_COMPKEY(0); |
| 587 | |
| 588 | keycon1 = WxKEYCON1_COLVAL(0xffffffff); |
| 589 | |
| 590 | writel(keycon0, ctx->regs + WKEYCON0_BASE(win)); |
| 591 | writel(keycon1, ctx->regs + WKEYCON1_BASE(win)); |
| 592 | } |
| 593 | |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 594 | /** |
| 595 | * shadow_protect_win() - disable updating values from shadow registers at vsync |
| 596 | * |
| 597 | * @win: window to protect registers for |
| 598 | * @protect: 1 to protect (disable updates) |
| 599 | */ |
| 600 | static void fimd_shadow_protect_win(struct fimd_context *ctx, |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 601 | unsigned int win, bool protect) |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 602 | { |
| 603 | u32 reg, bits, val; |
| 604 | |
| 605 | if (ctx->driver_data->has_shadowcon) { |
| 606 | reg = SHADOWCON; |
| 607 | bits = SHADOWCON_WINx_PROTECT(win); |
| 608 | } else { |
| 609 | reg = PRTCON; |
| 610 | bits = PRTCON_PROTECT; |
| 611 | } |
| 612 | |
| 613 | val = readl(ctx->regs + reg); |
| 614 | if (protect) |
| 615 | val |= bits; |
| 616 | else |
| 617 | val &= ~bits; |
| 618 | writel(val, ctx->regs + reg); |
| 619 | } |
| 620 | |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 621 | static void fimd_win_commit(struct exynos_drm_crtc *crtc, unsigned int win) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 622 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 623 | struct fimd_context *ctx = crtc->ctx; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 624 | struct exynos_drm_plane *plane; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 625 | dma_addr_t dma_addr; |
| 626 | unsigned long val, size, offset; |
| 627 | unsigned int last_x, last_y, buf_offsize, line_size; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 628 | |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 629 | if (ctx->suspended) |
| 630 | return; |
| 631 | |
Krzysztof Kozlowski | 37b006e | 2013-05-27 11:56:26 +0200 | [diff] [blame] | 632 | if (win < 0 || win >= WINDOWS_NR) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 633 | return; |
| 634 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 635 | plane = &ctx->planes[win]; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 636 | |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 637 | /* If suspended, enable this on resume */ |
| 638 | if (ctx->suspended) { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 639 | plane->resume = true; |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 640 | return; |
| 641 | } |
| 642 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 643 | /* |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 644 | * SHADOWCON/PRTCON register is used for enabling timing. |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 645 | * |
| 646 | * for example, once only width value of a register is set, |
| 647 | * if the dma is started then fimd hardware could malfunction so |
| 648 | * with protect window setting, the register fields with prefix '_F' |
| 649 | * wouldn't be updated at vsync also but updated once unprotect window |
| 650 | * is set. |
| 651 | */ |
| 652 | |
| 653 | /* protect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 654 | fimd_shadow_protect_win(ctx, win, true); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 655 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 656 | |
Joonyoung Shim | cb8a3db | 2015-04-07 15:59:38 +0900 | [diff] [blame] | 657 | offset = plane->src_x * (plane->bpp >> 3); |
| 658 | offset += plane->src_y * plane->pitch; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 659 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 660 | /* buffer start address */ |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 661 | dma_addr = plane->dma_addr[0] + offset; |
| 662 | val = (unsigned long)dma_addr; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 663 | writel(val, ctx->regs + VIDWx_BUF_START(win, 0)); |
| 664 | |
| 665 | /* buffer end address */ |
Daniel Stone | 68a2913 | 2015-04-08 16:39:06 +0100 | [diff] [blame] | 666 | size = plane->pitch * plane->crtc_height; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 667 | val = (unsigned long)(dma_addr + size); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 668 | writel(val, ctx->regs + VIDWx_BUF_END(win, 0)); |
| 669 | |
| 670 | DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n", |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 671 | (unsigned long)dma_addr, val, size); |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 672 | DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 673 | plane->crtc_width, plane->crtc_height); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 674 | |
| 675 | /* buffer size */ |
Daniel Stone | 68a2913 | 2015-04-08 16:39:06 +0100 | [diff] [blame] | 676 | buf_offsize = plane->pitch - (plane->crtc_width * (plane->bpp >> 3)); |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 677 | line_size = plane->crtc_width * (plane->bpp >> 3); |
| 678 | val = VIDW_BUF_SIZE_OFFSET(buf_offsize) | |
| 679 | VIDW_BUF_SIZE_PAGEWIDTH(line_size) | |
| 680 | VIDW_BUF_SIZE_OFFSET_E(buf_offsize) | |
| 681 | VIDW_BUF_SIZE_PAGEWIDTH_E(line_size); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 682 | writel(val, ctx->regs + VIDWx_BUF_SIZE(win, 0)); |
| 683 | |
| 684 | /* OSD position */ |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 685 | val = VIDOSDxA_TOPLEFT_X(plane->crtc_x) | |
| 686 | VIDOSDxA_TOPLEFT_Y(plane->crtc_y) | |
| 687 | VIDOSDxA_TOPLEFT_X_E(plane->crtc_x) | |
| 688 | VIDOSDxA_TOPLEFT_Y_E(plane->crtc_y); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 689 | writel(val, ctx->regs + VIDOSD_A(win)); |
| 690 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 691 | last_x = plane->crtc_x + plane->crtc_width; |
Joonyoung Shim | f56aad3 | 2012-12-14 15:48:23 +0900 | [diff] [blame] | 692 | if (last_x) |
| 693 | last_x--; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 694 | last_y = plane->crtc_y + plane->crtc_height; |
Joonyoung Shim | f56aad3 | 2012-12-14 15:48:23 +0900 | [diff] [blame] | 695 | if (last_y) |
| 696 | last_y--; |
| 697 | |
Joonyoung Shim | ca555e5 | 2012-12-14 15:48:24 +0900 | [diff] [blame] | 698 | val = VIDOSDxB_BOTRIGHT_X(last_x) | VIDOSDxB_BOTRIGHT_Y(last_y) | |
| 699 | VIDOSDxB_BOTRIGHT_X_E(last_x) | VIDOSDxB_BOTRIGHT_Y_E(last_y); |
| 700 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 701 | writel(val, ctx->regs + VIDOSD_B(win)); |
| 702 | |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 703 | DRM_DEBUG_KMS("osd pos: tx = %d, ty = %d, bx = %d, by = %d\n", |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 704 | plane->crtc_x, plane->crtc_y, last_x, last_y); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 705 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 706 | /* OSD size */ |
| 707 | if (win != 3 && win != 4) { |
| 708 | u32 offset = VIDOSD_D(win); |
| 709 | if (win == 0) |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 710 | offset = VIDOSD_C(win); |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 711 | val = plane->crtc_width * plane->crtc_height; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 712 | writel(val, ctx->regs + offset); |
| 713 | |
| 714 | DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val); |
| 715 | } |
| 716 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 717 | fimd_win_set_pixfmt(ctx, win); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 718 | |
| 719 | /* hardware window 0 doesn't support color key. */ |
| 720 | if (win != 0) |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 721 | fimd_win_set_colkey(ctx, win); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 722 | |
YoungJun Cho | f181a54 | 2014-11-17 22:00:10 +0900 | [diff] [blame] | 723 | fimd_enable_video_output(ctx, win, true); |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 724 | |
YoungJun Cho | 999d8b3 | 2014-11-17 22:00:11 +0900 | [diff] [blame] | 725 | if (ctx->driver_data->has_shadowcon) |
| 726 | fimd_enable_shadow_channel_path(ctx, win, true); |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 727 | |
YoungJun Cho | 74944a58 | 2014-11-17 22:00:09 +0900 | [diff] [blame] | 728 | /* Enable DMA channel and unprotect windows */ |
| 729 | fimd_shadow_protect_win(ctx, win, false); |
| 730 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 731 | plane->enabled = true; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 732 | |
| 733 | if (ctx->i80_if) |
| 734 | atomic_set(&ctx->win_updated, 1); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 735 | } |
| 736 | |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 737 | static void fimd_win_disable(struct exynos_drm_crtc *crtc, unsigned int win) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 738 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 739 | struct fimd_context *ctx = crtc->ctx; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 740 | struct exynos_drm_plane *plane; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 741 | |
Krzysztof Kozlowski | 37b006e | 2013-05-27 11:56:26 +0200 | [diff] [blame] | 742 | if (win < 0 || win >= WINDOWS_NR) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 743 | return; |
| 744 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 745 | plane = &ctx->planes[win]; |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 746 | |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 747 | if (ctx->suspended) { |
| 748 | /* do not resume this window*/ |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 749 | plane->resume = false; |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 750 | return; |
| 751 | } |
| 752 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 753 | /* protect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 754 | fimd_shadow_protect_win(ctx, win, true); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 755 | |
YoungJun Cho | f181a54 | 2014-11-17 22:00:10 +0900 | [diff] [blame] | 756 | fimd_enable_video_output(ctx, win, false); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 757 | |
YoungJun Cho | 999d8b3 | 2014-11-17 22:00:11 +0900 | [diff] [blame] | 758 | if (ctx->driver_data->has_shadowcon) |
| 759 | fimd_enable_shadow_channel_path(ctx, win, false); |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 760 | |
YoungJun Cho | 999d8b3 | 2014-11-17 22:00:11 +0900 | [diff] [blame] | 761 | /* unprotect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 762 | fimd_shadow_protect_win(ctx, win, false); |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 763 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 764 | plane->enabled = false; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 765 | } |
| 766 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 767 | static void fimd_window_suspend(struct fimd_context *ctx) |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 768 | { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 769 | struct exynos_drm_plane *plane; |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 770 | int i; |
| 771 | |
| 772 | for (i = 0; i < WINDOWS_NR; i++) { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 773 | plane = &ctx->planes[i]; |
| 774 | plane->resume = plane->enabled; |
| 775 | if (plane->enabled) |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 776 | fimd_win_disable(ctx->crtc, i); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 777 | } |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 778 | } |
| 779 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 780 | static void fimd_window_resume(struct fimd_context *ctx) |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 781 | { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 782 | struct exynos_drm_plane *plane; |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 783 | int i; |
| 784 | |
| 785 | for (i = 0; i < WINDOWS_NR; i++) { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 786 | plane = &ctx->planes[i]; |
| 787 | plane->enabled = plane->resume; |
| 788 | plane->resume = false; |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 789 | } |
| 790 | } |
| 791 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 792 | static void fimd_apply(struct fimd_context *ctx) |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 793 | { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 794 | struct exynos_drm_plane *plane; |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 795 | int i; |
| 796 | |
| 797 | for (i = 0; i < WINDOWS_NR; i++) { |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 798 | plane = &ctx->planes[i]; |
| 799 | if (plane->enabled) |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 800 | fimd_win_commit(ctx->crtc, i); |
Andrzej Hajda | d9b68d8 | 2014-06-09 16:10:59 +0200 | [diff] [blame] | 801 | else |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 802 | fimd_win_disable(ctx->crtc, i); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 803 | } |
| 804 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 805 | fimd_commit(ctx->crtc); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 806 | } |
| 807 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 808 | static int fimd_poweron(struct fimd_context *ctx) |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 809 | { |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 810 | int ret; |
| 811 | |
| 812 | if (!ctx->suspended) |
| 813 | return 0; |
| 814 | |
| 815 | ctx->suspended = false; |
| 816 | |
Sean Paul | af65c80 | 2014-01-30 16:19:27 -0500 | [diff] [blame] | 817 | pm_runtime_get_sync(ctx->dev); |
| 818 | |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 819 | ret = clk_prepare_enable(ctx->bus_clk); |
| 820 | if (ret < 0) { |
| 821 | DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret); |
| 822 | goto bus_clk_err; |
| 823 | } |
| 824 | |
| 825 | ret = clk_prepare_enable(ctx->lcd_clk); |
| 826 | if (ret < 0) { |
| 827 | DRM_ERROR("Failed to prepare_enable the lcd clk [%d]\n", ret); |
| 828 | goto lcd_clk_err; |
| 829 | } |
| 830 | |
| 831 | /* if vblank was enabled status, enable it again. */ |
| 832 | if (test_and_clear_bit(0, &ctx->irq_flags)) { |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 833 | ret = fimd_enable_vblank(ctx->crtc); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 834 | if (ret) { |
| 835 | DRM_ERROR("Failed to re-enable vblank [%d]\n", ret); |
| 836 | goto enable_vblank_err; |
| 837 | } |
| 838 | } |
| 839 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 840 | fimd_window_resume(ctx); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 841 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 842 | fimd_apply(ctx); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 843 | |
| 844 | return 0; |
| 845 | |
| 846 | enable_vblank_err: |
| 847 | clk_disable_unprepare(ctx->lcd_clk); |
| 848 | lcd_clk_err: |
| 849 | clk_disable_unprepare(ctx->bus_clk); |
| 850 | bus_clk_err: |
| 851 | ctx->suspended = true; |
| 852 | return ret; |
| 853 | } |
| 854 | |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 855 | static int fimd_poweroff(struct fimd_context *ctx) |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 856 | { |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 857 | if (ctx->suspended) |
| 858 | return 0; |
| 859 | |
| 860 | /* |
| 861 | * We need to make sure that all windows are disabled before we |
| 862 | * suspend that connector. Otherwise we might try to scan from |
| 863 | * a destroyed buffer later. |
| 864 | */ |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 865 | fimd_window_suspend(ctx); |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 866 | |
| 867 | clk_disable_unprepare(ctx->lcd_clk); |
| 868 | clk_disable_unprepare(ctx->bus_clk); |
| 869 | |
Sean Paul | af65c80 | 2014-01-30 16:19:27 -0500 | [diff] [blame] | 870 | pm_runtime_put_sync(ctx->dev); |
| 871 | |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 872 | ctx->suspended = true; |
| 873 | return 0; |
| 874 | } |
| 875 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 876 | static void fimd_dpms(struct exynos_drm_crtc *crtc, int mode) |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 877 | { |
Sean Paul | af65c80 | 2014-01-30 16:19:27 -0500 | [diff] [blame] | 878 | DRM_DEBUG_KMS("%s, %d\n", __FILE__, mode); |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 879 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 880 | switch (mode) { |
| 881 | case DRM_MODE_DPMS_ON: |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 882 | fimd_poweron(crtc->ctx); |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 883 | break; |
| 884 | case DRM_MODE_DPMS_STANDBY: |
| 885 | case DRM_MODE_DPMS_SUSPEND: |
| 886 | case DRM_MODE_DPMS_OFF: |
Joonyoung Shim | 92dc7a0 | 2015-01-30 16:43:02 +0900 | [diff] [blame] | 887 | fimd_poweroff(crtc->ctx); |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 888 | break; |
| 889 | default: |
| 890 | DRM_DEBUG_KMS("unspecified mode %d\n", mode); |
| 891 | break; |
| 892 | } |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 893 | } |
| 894 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 895 | static void fimd_trigger(struct device *dev) |
| 896 | { |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 897 | struct fimd_context *ctx = dev_get_drvdata(dev); |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 898 | struct fimd_driver_data *driver_data = ctx->driver_data; |
| 899 | void *timing_base = ctx->regs + driver_data->timing_base; |
| 900 | u32 reg; |
| 901 | |
Joonyoung Shim | 9b67eb7 | 2014-11-17 22:00:08 +0900 | [diff] [blame] | 902 | /* |
YoungJun Cho | 1c905d9 | 2014-11-17 22:00:12 +0900 | [diff] [blame] | 903 | * Skips triggering if in triggering state, because multiple triggering |
| 904 | * requests can cause panel reset. |
| 905 | */ |
Joonyoung Shim | 9b67eb7 | 2014-11-17 22:00:08 +0900 | [diff] [blame] | 906 | if (atomic_read(&ctx->triggering)) |
| 907 | return; |
| 908 | |
YoungJun Cho | 1c905d9 | 2014-11-17 22:00:12 +0900 | [diff] [blame] | 909 | /* Enters triggering mode */ |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 910 | atomic_set(&ctx->triggering, 1); |
| 911 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 912 | reg = readl(timing_base + TRIGCON); |
| 913 | reg |= (TRGMODE_I80_RGB_ENABLE_I80 | SWTRGCMD_I80_RGB_ENABLE); |
| 914 | writel(reg, timing_base + TRIGCON); |
YoungJun Cho | 87ab85b | 2014-11-17 22:00:13 +0900 | [diff] [blame] | 915 | |
| 916 | /* |
| 917 | * Exits triggering mode if vblank is not enabled yet, because when the |
| 918 | * VIDINTCON0 register is not set, it can not exit from triggering mode. |
| 919 | */ |
| 920 | if (!test_bit(0, &ctx->irq_flags)) |
| 921 | atomic_set(&ctx->triggering, 0); |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 922 | } |
| 923 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 924 | static void fimd_te_handler(struct exynos_drm_crtc *crtc) |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 925 | { |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 926 | struct fimd_context *ctx = crtc->ctx; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 927 | |
| 928 | /* Checks the crtc is detached already from encoder */ |
| 929 | if (ctx->pipe < 0 || !ctx->drm_dev) |
| 930 | return; |
| 931 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 932 | /* |
| 933 | * If there is a page flip request, triggers and handles the page flip |
| 934 | * event so that current fb can be updated into panel GRAM. |
| 935 | */ |
| 936 | if (atomic_add_unless(&ctx->win_updated, -1, 0)) |
| 937 | fimd_trigger(ctx->dev); |
| 938 | |
| 939 | /* Wakes up vsync event queue */ |
| 940 | if (atomic_read(&ctx->wait_vsync_event)) { |
| 941 | atomic_set(&ctx->wait_vsync_event, 0); |
| 942 | wake_up(&ctx->wait_vsync_queue); |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 943 | } |
YoungJun Cho | b301ae2 | 2014-10-01 15:19:10 +0900 | [diff] [blame] | 944 | |
Joonyoung Shim | adf67ab | 2014-11-17 22:00:14 +0900 | [diff] [blame] | 945 | if (test_bit(0, &ctx->irq_flags)) |
YoungJun Cho | b301ae2 | 2014-10-01 15:19:10 +0900 | [diff] [blame] | 946 | drm_handle_vblank(ctx->drm_dev, ctx->pipe); |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 947 | } |
| 948 | |
Krzysztof Kozlowski | 48107d7 | 2015-05-07 09:04:44 +0900 | [diff] [blame] | 949 | static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable) |
| 950 | { |
| 951 | struct fimd_context *ctx = crtc->ctx; |
| 952 | u32 val; |
| 953 | |
| 954 | /* |
| 955 | * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE |
| 956 | * clock. On these SoCs the bootloader may enable it but any |
| 957 | * power domain off/on will reset it to disable state. |
| 958 | */ |
| 959 | if (ctx->driver_data != &exynos5_fimd_driver_data) |
| 960 | return; |
| 961 | |
| 962 | val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE; |
| 963 | writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON); |
| 964 | } |
| 965 | |
Krzysztof Kozlowski | f3aaf76 | 2015-05-07 09:04:45 +0900 | [diff] [blame] | 966 | static const struct exynos_drm_crtc_ops fimd_crtc_ops = { |
Sean Paul | 1c6244c | 2014-01-30 16:19:02 -0500 | [diff] [blame] | 967 | .dpms = fimd_dpms, |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 968 | .mode_fixup = fimd_mode_fixup, |
Sean Paul | 1c6244c | 2014-01-30 16:19:02 -0500 | [diff] [blame] | 969 | .commit = fimd_commit, |
| 970 | .enable_vblank = fimd_enable_vblank, |
| 971 | .disable_vblank = fimd_disable_vblank, |
| 972 | .wait_for_vblank = fimd_wait_for_vblank, |
Sean Paul | 1c6244c | 2014-01-30 16:19:02 -0500 | [diff] [blame] | 973 | .win_commit = fimd_win_commit, |
| 974 | .win_disable = fimd_win_disable, |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 975 | .te_handler = fimd_te_handler, |
Krzysztof Kozlowski | 48107d7 | 2015-05-07 09:04:44 +0900 | [diff] [blame] | 976 | .clock_enable = fimd_dp_clock_enable, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 977 | }; |
| 978 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 979 | static irqreturn_t fimd_irq_handler(int irq, void *dev_id) |
| 980 | { |
| 981 | struct fimd_context *ctx = (struct fimd_context *)dev_id; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 982 | u32 val, clear_bit; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 983 | |
| 984 | val = readl(ctx->regs + VIDINTCON1); |
| 985 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 986 | clear_bit = ctx->i80_if ? VIDINTCON1_INT_I80 : VIDINTCON1_INT_FRAME; |
| 987 | if (val & clear_bit) |
| 988 | writel(clear_bit, ctx->regs + VIDINTCON1); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 989 | |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 990 | /* check the crtc is detached already from encoder */ |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 991 | if (ctx->pipe < 0 || !ctx->drm_dev) |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 992 | goto out; |
Inki Dae | 483b88f | 2011-11-11 21:28:00 +0900 | [diff] [blame] | 993 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 994 | if (ctx->i80_if) { |
Joonyoung Shim | adf67ab | 2014-11-17 22:00:14 +0900 | [diff] [blame] | 995 | exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); |
| 996 | |
YoungJun Cho | 1c905d9 | 2014-11-17 22:00:12 +0900 | [diff] [blame] | 997 | /* Exits triggering mode */ |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 998 | atomic_set(&ctx->triggering, 0); |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 999 | } else { |
Joonyoung Shim | adf67ab | 2014-11-17 22:00:14 +0900 | [diff] [blame] | 1000 | drm_handle_vblank(ctx->drm_dev, ctx->pipe); |
| 1001 | exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); |
| 1002 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 1003 | /* set wait vsync event to zero and wake up queue. */ |
| 1004 | if (atomic_read(&ctx->wait_vsync_event)) { |
| 1005 | atomic_set(&ctx->wait_vsync_event, 0); |
| 1006 | wake_up(&ctx->wait_vsync_queue); |
| 1007 | } |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 1008 | } |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 1009 | |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 1010 | out: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1011 | return IRQ_HANDLED; |
| 1012 | } |
| 1013 | |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 1014 | static int fimd_bind(struct device *dev, struct device *master, void *data) |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 1015 | { |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1016 | struct fimd_context *ctx = dev_get_drvdata(dev); |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 1017 | struct drm_device *drm_dev = data; |
Hyungwon Hwang | cdbfca8 | 2015-03-12 13:36:02 +0900 | [diff] [blame] | 1018 | struct exynos_drm_private *priv = drm_dev->dev_private; |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 1019 | struct exynos_drm_plane *exynos_plane; |
| 1020 | enum drm_plane_type type; |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 1021 | unsigned int zpos; |
| 1022 | int ret; |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1023 | |
Hyungwon Hwang | cdbfca8 | 2015-03-12 13:36:02 +0900 | [diff] [blame] | 1024 | ctx->drm_dev = drm_dev; |
| 1025 | ctx->pipe = priv->pipe++; |
Ajay Kumar | efa75bc | 2015-01-12 01:57:07 +0900 | [diff] [blame] | 1026 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 1027 | for (zpos = 0; zpos < WINDOWS_NR; zpos++) { |
| 1028 | type = (zpos == ctx->default_win) ? DRM_PLANE_TYPE_PRIMARY : |
| 1029 | DRM_PLANE_TYPE_OVERLAY; |
| 1030 | ret = exynos_plane_init(drm_dev, &ctx->planes[zpos], |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 1031 | 1 << ctx->pipe, type, zpos); |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 1032 | if (ret) |
| 1033 | return ret; |
| 1034 | } |
| 1035 | |
| 1036 | exynos_plane = &ctx->planes[ctx->default_win]; |
| 1037 | ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base, |
| 1038 | ctx->pipe, EXYNOS_DISPLAY_TYPE_LCD, |
Joonyoung Shim | 0f04cf8 | 2015-01-30 16:43:01 +0900 | [diff] [blame] | 1039 | &fimd_crtc_ops, ctx); |
Hyungwon Hwang | d122284 | 2015-04-07 22:19:43 +0900 | [diff] [blame] | 1040 | if (IS_ERR(ctx->crtc)) |
| 1041 | return PTR_ERR(ctx->crtc); |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 1042 | |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1043 | if (ctx->display) |
| 1044 | exynos_drm_create_enc_conn(drm_dev, ctx->display); |
| 1045 | |
Krzysztof Kozlowski | 362edcc | 2015-05-07 09:04:46 +0900 | [diff] [blame] | 1046 | return fimd_iommu_attach_devices(ctx, drm_dev); |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1047 | } |
| 1048 | |
| 1049 | static void fimd_unbind(struct device *dev, struct device *master, |
| 1050 | void *data) |
| 1051 | { |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1052 | struct fimd_context *ctx = dev_get_drvdata(dev); |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1053 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 1054 | fimd_dpms(ctx->crtc, DRM_MODE_DPMS_OFF); |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1055 | |
Hyungwon Hwang | cdbfca8 | 2015-03-12 13:36:02 +0900 | [diff] [blame] | 1056 | fimd_iommu_detach_devices(ctx); |
| 1057 | |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1058 | if (ctx->display) |
Andrzej Hajda | 4cfde1f | 2014-11-17 09:54:26 +0100 | [diff] [blame] | 1059 | exynos_dpi_remove(ctx->display); |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1060 | } |
| 1061 | |
| 1062 | static const struct component_ops fimd_component_ops = { |
| 1063 | .bind = fimd_bind, |
| 1064 | .unbind = fimd_unbind, |
| 1065 | }; |
| 1066 | |
| 1067 | static int fimd_probe(struct platform_device *pdev) |
| 1068 | { |
| 1069 | struct device *dev = &pdev->dev; |
| 1070 | struct fimd_context *ctx; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 1071 | struct device_node *i80_if_timings; |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1072 | struct resource *res; |
Gustavo Padovan | fe42cfb | 2014-11-03 18:56:57 -0200 | [diff] [blame] | 1073 | int ret; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1074 | |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1075 | if (!dev->of_node) |
| 1076 | return -ENODEV; |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 1077 | |
Seung-Woo Kim | d873ab9 | 2013-05-22 21:14:14 +0900 | [diff] [blame] | 1078 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1079 | if (!ctx) |
| 1080 | return -ENOMEM; |
| 1081 | |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1082 | ret = exynos_drm_component_add(dev, EXYNOS_DEVICE_TYPE_CRTC, |
Gustavo Padovan | 5d1741a | 2014-11-05 19:51:35 -0200 | [diff] [blame] | 1083 | EXYNOS_DISPLAY_TYPE_LCD); |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1084 | if (ret) |
| 1085 | return ret; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1086 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1087 | ctx->dev = dev; |
Sean Paul | a43b933 | 2014-01-30 16:19:26 -0500 | [diff] [blame] | 1088 | ctx->suspended = true; |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 1089 | ctx->driver_data = drm_fimd_get_driver_data(pdev); |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1090 | |
Sean Paul | 1417f10 | 2014-01-30 16:19:23 -0500 | [diff] [blame] | 1091 | if (of_property_read_bool(dev->of_node, "samsung,invert-vden")) |
| 1092 | ctx->vidcon1 |= VIDCON1_INV_VDEN; |
| 1093 | if (of_property_read_bool(dev->of_node, "samsung,invert-vclk")) |
| 1094 | ctx->vidcon1 |= VIDCON1_INV_VCLK; |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 1095 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 1096 | i80_if_timings = of_get_child_by_name(dev->of_node, "i80-if-timings"); |
| 1097 | if (i80_if_timings) { |
| 1098 | u32 val; |
| 1099 | |
| 1100 | ctx->i80_if = true; |
| 1101 | |
| 1102 | if (ctx->driver_data->has_vidoutcon) |
| 1103 | ctx->vidout_con |= VIDOUT_CON_F_I80_LDI0; |
| 1104 | else |
| 1105 | ctx->vidcon0 |= VIDCON0_VIDOUT_I80_LDI0; |
| 1106 | /* |
| 1107 | * The user manual describes that this "DSI_EN" bit is required |
| 1108 | * to enable I80 24-bit data interface. |
| 1109 | */ |
| 1110 | ctx->vidcon0 |= VIDCON0_DSI_EN; |
| 1111 | |
| 1112 | if (of_property_read_u32(i80_if_timings, "cs-setup", &val)) |
| 1113 | val = 0; |
| 1114 | ctx->i80ifcon = LCD_CS_SETUP(val); |
| 1115 | if (of_property_read_u32(i80_if_timings, "wr-setup", &val)) |
| 1116 | val = 0; |
| 1117 | ctx->i80ifcon |= LCD_WR_SETUP(val); |
| 1118 | if (of_property_read_u32(i80_if_timings, "wr-active", &val)) |
| 1119 | val = 1; |
| 1120 | ctx->i80ifcon |= LCD_WR_ACTIVE(val); |
| 1121 | if (of_property_read_u32(i80_if_timings, "wr-hold", &val)) |
| 1122 | val = 0; |
| 1123 | ctx->i80ifcon |= LCD_WR_HOLD(val); |
| 1124 | } |
| 1125 | of_node_put(i80_if_timings); |
| 1126 | |
| 1127 | ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node, |
| 1128 | "samsung,sysreg"); |
| 1129 | if (IS_ERR(ctx->sysreg)) { |
| 1130 | dev_warn(dev, "failed to get system register.\n"); |
| 1131 | ctx->sysreg = NULL; |
| 1132 | } |
| 1133 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 1134 | ctx->bus_clk = devm_clk_get(dev, "fimd"); |
| 1135 | if (IS_ERR(ctx->bus_clk)) { |
| 1136 | dev_err(dev, "failed to get bus clock\n"); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1137 | ret = PTR_ERR(ctx->bus_clk); |
| 1138 | goto err_del_component; |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 1139 | } |
| 1140 | |
| 1141 | ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd"); |
| 1142 | if (IS_ERR(ctx->lcd_clk)) { |
| 1143 | dev_err(dev, "failed to get lcd clock\n"); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1144 | ret = PTR_ERR(ctx->lcd_clk); |
| 1145 | goto err_del_component; |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame] | 1146 | } |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1147 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1148 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1149 | |
Seung-Woo Kim | d873ab9 | 2013-05-22 21:14:14 +0900 | [diff] [blame] | 1150 | ctx->regs = devm_ioremap_resource(dev, res); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1151 | if (IS_ERR(ctx->regs)) { |
| 1152 | ret = PTR_ERR(ctx->regs); |
| 1153 | goto err_del_component; |
| 1154 | } |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1155 | |
YoungJun Cho | 3854fab | 2014-07-17 18:01:21 +0900 | [diff] [blame] | 1156 | res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 1157 | ctx->i80_if ? "lcd_sys" : "vsync"); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1158 | if (!res) { |
| 1159 | dev_err(dev, "irq request failed.\n"); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1160 | ret = -ENXIO; |
| 1161 | goto err_del_component; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1162 | } |
| 1163 | |
Sean Paul | 055e0c0 | 2014-01-30 16:19:21 -0500 | [diff] [blame] | 1164 | ret = devm_request_irq(dev, res->start, fimd_irq_handler, |
Sachin Kamat | edc5726 | 2012-06-19 11:47:39 +0530 | [diff] [blame] | 1165 | 0, "drm_fimd", ctx); |
| 1166 | if (ret) { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1167 | dev_err(dev, "irq request failed.\n"); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1168 | goto err_del_component; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1169 | } |
| 1170 | |
Daniel Vetter | 57ed0f7 | 2013-12-11 11:34:43 +0100 | [diff] [blame] | 1171 | init_waitqueue_head(&ctx->wait_vsync_queue); |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 1172 | atomic_set(&ctx->wait_vsync_event, 0); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1173 | |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1174 | platform_set_drvdata(pdev, ctx); |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 1175 | |
Andrzej Hajda | 000cc92 | 2014-04-03 16:26:00 +0200 | [diff] [blame] | 1176 | ctx->display = exynos_dpi_probe(dev); |
Gustavo Padovan | 5baf5d4 | 2014-11-24 16:23:30 -0200 | [diff] [blame] | 1177 | if (IS_ERR(ctx->display)) { |
| 1178 | ret = PTR_ERR(ctx->display); |
| 1179 | goto err_del_component; |
| 1180 | } |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 1181 | |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1182 | pm_runtime_enable(dev); |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 1183 | |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1184 | ret = component_add(dev, &fimd_component_ops); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1185 | if (ret) |
| 1186 | goto err_disable_pm_runtime; |
| 1187 | |
| 1188 | return ret; |
| 1189 | |
| 1190 | err_disable_pm_runtime: |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1191 | pm_runtime_disable(dev); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1192 | |
| 1193 | err_del_component: |
Andrzej Hajda | e152dbd | 2014-11-17 09:54:18 +0100 | [diff] [blame] | 1194 | exynos_drm_component_del(dev, EXYNOS_DEVICE_TYPE_CRTC); |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1195 | return ret; |
Inki Dae | f37cd5e | 2014-05-09 14:25:20 +0900 | [diff] [blame] | 1196 | } |
| 1197 | |
| 1198 | static int fimd_remove(struct platform_device *pdev) |
| 1199 | { |
Sean Paul | af65c80 | 2014-01-30 16:19:27 -0500 | [diff] [blame] | 1200 | pm_runtime_disable(&pdev->dev); |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1201 | |
Inki Dae | df5225b | 2014-05-29 18:28:02 +0900 | [diff] [blame] | 1202 | component_del(&pdev->dev, &fimd_component_ops); |
| 1203 | exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC); |
| 1204 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1205 | return 0; |
| 1206 | } |
| 1207 | |
Joonyoung Shim | 132a5b9 | 2012-03-16 18:47:08 +0900 | [diff] [blame] | 1208 | struct platform_driver fimd_driver = { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1209 | .probe = fimd_probe, |
Greg Kroah-Hartman | 56550d9 | 2012-12-21 15:09:25 -0800 | [diff] [blame] | 1210 | .remove = fimd_remove, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1211 | .driver = { |
| 1212 | .name = "exynos4-fb", |
| 1213 | .owner = THIS_MODULE, |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 1214 | .of_match_table = fimd_driver_dt_match, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1215 | }, |
| 1216 | }; |