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 | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 22 | |
Vikas Sajjan | 7f4596f | 2013-03-07 12:15:21 +0530 | [diff] [blame] | 23 | #include <video/of_display_timing.h> |
Andrzej Hajda | 111e605 | 2013-08-21 16:22:01 +0200 | [diff] [blame] | 24 | #include <video/of_videomode.h> |
Leela Krishna Amudala | 5a213a5 | 2012-08-08 09:44:49 +0900 | [diff] [blame] | 25 | #include <video/samsung_fimd.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 26 | #include <drm/exynos_drm.h> |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 27 | |
| 28 | #include "exynos_drm_drv.h" |
| 29 | #include "exynos_drm_fbdev.h" |
| 30 | #include "exynos_drm_crtc.h" |
Inki Dae | bcc5cd1 | 2012-10-19 17:16:36 +0900 | [diff] [blame] | 31 | #include "exynos_drm_iommu.h" |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 32 | |
| 33 | /* |
Sachin Kamat | b8654b3 | 2013-09-19 10:39:44 +0530 | [diff] [blame] | 34 | * FIMD stands for Fully Interactive Mobile Display and |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 35 | * as a display controller, it transfers contents drawn on memory |
| 36 | * to a LCD Panel through Display Interfaces such as RGB or |
| 37 | * CPU Interface. |
| 38 | */ |
| 39 | |
Andrzej Hajda | 111e605 | 2013-08-21 16:22:01 +0200 | [diff] [blame] | 40 | #define FIMD_DEFAULT_FRAMERATE 60 |
| 41 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 42 | /* position control register for hardware window 0, 2 ~ 4.*/ |
| 43 | #define VIDOSD_A(win) (VIDOSD_BASE + 0x00 + (win) * 16) |
| 44 | #define VIDOSD_B(win) (VIDOSD_BASE + 0x04 + (win) * 16) |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 45 | /* |
| 46 | * size control register for hardware windows 0 and alpha control register |
| 47 | * for hardware windows 1 ~ 4 |
| 48 | */ |
| 49 | #define VIDOSD_C(win) (VIDOSD_BASE + 0x08 + (win) * 16) |
| 50 | /* size control register for hardware windows 1 ~ 2. */ |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 51 | #define VIDOSD_D(win) (VIDOSD_BASE + 0x0C + (win) * 16) |
| 52 | |
| 53 | #define VIDWx_BUF_START(win, buf) (VIDW_BUF_START(buf) + (win) * 8) |
| 54 | #define VIDWx_BUF_END(win, buf) (VIDW_BUF_END(buf) + (win) * 8) |
| 55 | #define VIDWx_BUF_SIZE(win, buf) (VIDW_BUF_SIZE(buf) + (win) * 4) |
| 56 | |
| 57 | /* color key control register for hardware window 1 ~ 4. */ |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 58 | #define WKEYCON0_BASE(x) ((WKEYCON0 + 0x140) + ((x - 1) * 8)) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 59 | /* color key value register for hardware window 1 ~ 4. */ |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 60 | #define WKEYCON1_BASE(x) ((WKEYCON1 + 0x140) + ((x - 1) * 8)) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 61 | |
| 62 | /* FIMD has totally five hardware windows. */ |
| 63 | #define WINDOWS_NR 5 |
| 64 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 65 | #define get_fimd_manager(mgr) platform_get_drvdata(to_platform_device(dev)) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 66 | |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 67 | struct fimd_driver_data { |
| 68 | unsigned int timing_base; |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 69 | |
| 70 | unsigned int has_shadowcon:1; |
Tomasz Figa | 411d9ed | 2013-05-01 21:02:28 +0200 | [diff] [blame] | 71 | unsigned int has_clksel:1; |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 72 | unsigned int has_limited_fmt:1; |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 73 | }; |
| 74 | |
Tomasz Figa | 725ddea | 2013-05-01 21:02:29 +0200 | [diff] [blame] | 75 | static struct fimd_driver_data s3c64xx_fimd_driver_data = { |
| 76 | .timing_base = 0x0, |
| 77 | .has_clksel = 1, |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 78 | .has_limited_fmt = 1, |
Tomasz Figa | 725ddea | 2013-05-01 21:02:29 +0200 | [diff] [blame] | 79 | }; |
| 80 | |
Sachin Kamat | 6ecf18f | 2012-11-19 15:22:54 +0530 | [diff] [blame] | 81 | static struct fimd_driver_data exynos4_fimd_driver_data = { |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 82 | .timing_base = 0x0, |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 83 | .has_shadowcon = 1, |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 84 | }; |
| 85 | |
Sachin Kamat | 6ecf18f | 2012-11-19 15:22:54 +0530 | [diff] [blame] | 86 | static struct fimd_driver_data exynos5_fimd_driver_data = { |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 87 | .timing_base = 0x20000, |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 88 | .has_shadowcon = 1, |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 89 | }; |
| 90 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 91 | struct fimd_win_data { |
| 92 | unsigned int offset_x; |
| 93 | unsigned int offset_y; |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 94 | unsigned int ovl_width; |
| 95 | unsigned int ovl_height; |
| 96 | unsigned int fb_width; |
| 97 | unsigned int fb_height; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 98 | unsigned int bpp; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 99 | unsigned int pixel_format; |
Inki Dae | 2c87112 | 2011-11-12 15:23:32 +0900 | [diff] [blame] | 100 | dma_addr_t dma_addr; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 101 | unsigned int buf_offsize; |
| 102 | unsigned int line_size; /* bytes */ |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 103 | bool enabled; |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 104 | bool resume; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 105 | }; |
| 106 | |
| 107 | struct fimd_context { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 108 | struct device *dev; |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 109 | struct drm_device *drm_dev; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 110 | int irq; |
| 111 | struct drm_crtc *crtc; |
| 112 | struct clk *bus_clk; |
| 113 | struct clk *lcd_clk; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 114 | void __iomem *regs; |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 115 | struct drm_display_mode mode; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 116 | struct fimd_win_data win_data[WINDOWS_NR]; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 117 | unsigned int default_win; |
| 118 | unsigned long irq_flags; |
| 119 | u32 vidcon0; |
| 120 | u32 vidcon1; |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 121 | bool suspended; |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 122 | int pipe; |
Inki Dae | c32b06e | 2011-12-16 21:49:03 +0900 | [diff] [blame] | 123 | struct mutex lock; |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 124 | wait_queue_head_t wait_vsync_queue; |
| 125 | atomic_t wait_vsync_event; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 126 | |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 127 | struct exynos_drm_panel_info panel; |
Tomasz Figa | 1887346 | 2013-05-01 21:02:26 +0200 | [diff] [blame] | 128 | struct fimd_driver_data *driver_data; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 129 | }; |
| 130 | |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 131 | static const struct of_device_id fimd_driver_dt_match[] = { |
Tomasz Figa | 725ddea | 2013-05-01 21:02:29 +0200 | [diff] [blame] | 132 | { .compatible = "samsung,s3c6400-fimd", |
| 133 | .data = &s3c64xx_fimd_driver_data }, |
Vikas Sajjan | 5830daf | 2013-02-27 16:02:58 +0530 | [diff] [blame] | 134 | { .compatible = "samsung,exynos4210-fimd", |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 135 | .data = &exynos4_fimd_driver_data }, |
Vikas Sajjan | 5830daf | 2013-02-27 16:02:58 +0530 | [diff] [blame] | 136 | { .compatible = "samsung,exynos5250-fimd", |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 137 | .data = &exynos5_fimd_driver_data }, |
| 138 | {}, |
| 139 | }; |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 140 | |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 141 | static inline struct fimd_driver_data *drm_fimd_get_driver_data( |
| 142 | struct platform_device *pdev) |
| 143 | { |
Joonyoung Shim | d636ead | 2012-12-14 15:48:25 +0900 | [diff] [blame] | 144 | const struct of_device_id *of_id = |
| 145 | of_match_device(fimd_driver_dt_match, &pdev->dev); |
| 146 | |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 147 | return (struct fimd_driver_data *)of_id->data; |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 148 | } |
| 149 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 150 | static bool fimd_display_is_connected(struct exynos_drm_display *display) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 151 | { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 152 | /* TODO. */ |
| 153 | |
| 154 | return true; |
| 155 | } |
| 156 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 157 | static void *fimd_get_panel(struct exynos_drm_display *display) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 158 | { |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 159 | struct fimd_context *ctx = display->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 160 | |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 161 | return &ctx->panel; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 162 | } |
| 163 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 164 | static int fimd_check_mode(struct exynos_drm_display *display, |
| 165 | struct drm_display_mode *mode) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 166 | { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 167 | /* TODO. */ |
| 168 | |
| 169 | return 0; |
| 170 | } |
| 171 | |
Inki Dae | 74ccc53 | 2011-10-19 17:23:07 +0900 | [diff] [blame] | 172 | static struct exynos_drm_display_ops fimd_display_ops = { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 173 | .is_connected = fimd_display_is_connected, |
Eun-Chul Kim | 607c50d | 2012-02-14 15:59:46 +0900 | [diff] [blame] | 174 | .get_panel = fimd_get_panel, |
Rahul Sharma | 16844fb | 2013-06-10 14:50:00 +0530 | [diff] [blame] | 175 | .check_mode = fimd_check_mode, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 176 | }; |
| 177 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 178 | static struct exynos_drm_display fimd_display = { |
| 179 | .type = EXYNOS_DISPLAY_TYPE_LCD, |
| 180 | .ops = &fimd_display_ops, |
| 181 | }; |
| 182 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 183 | static int fimd_mgr_initialize(struct exynos_drm_manager *mgr, |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 184 | struct drm_device *drm_dev, int pipe) |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 185 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 186 | struct fimd_context *ctx = mgr->ctx; |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 187 | |
| 188 | ctx->drm_dev = drm_dev; |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 189 | ctx->pipe = pipe; |
| 190 | |
| 191 | /* |
| 192 | * enable drm irq mode. |
| 193 | * - with irq_enabled = true, we can use the vblank feature. |
| 194 | * |
| 195 | * P.S. note that we wouldn't use drm irq handler but |
| 196 | * just specific driver own one instead because |
| 197 | * drm framework supports only one irq handler. |
| 198 | */ |
| 199 | drm_dev->irq_enabled = true; |
| 200 | |
| 201 | /* |
| 202 | * with vblank_disable_allowed = true, vblank interrupt will be disabled |
| 203 | * by drm timer once a current process gives up ownership of |
| 204 | * vblank event.(after drm_vblank_put function is called) |
| 205 | */ |
| 206 | drm_dev->vblank_disable_allowed = true; |
| 207 | |
| 208 | /* attach this sub driver to iommu mapping if supported. */ |
| 209 | if (is_drm_iommu_supported(ctx->drm_dev)) |
| 210 | drm_iommu_attach_device(ctx->drm_dev, ctx->dev); |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 211 | |
| 212 | return 0; |
| 213 | } |
| 214 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 215 | static void fimd_mgr_remove(struct exynos_drm_manager *mgr) |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 216 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 217 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | c32b06e | 2011-12-16 21:49:03 +0900 | [diff] [blame] | 218 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 219 | /* detach this sub driver from iommu mapping if supported. */ |
| 220 | if (is_drm_iommu_supported(ctx->drm_dev)) |
| 221 | drm_iommu_detach_device(ctx->drm_dev, ctx->dev); |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 222 | } |
| 223 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 224 | static u32 fimd_calc_clkdiv(struct fimd_context *ctx, |
| 225 | const struct drm_display_mode *mode) |
| 226 | { |
| 227 | unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh; |
| 228 | u32 clkdiv; |
| 229 | |
| 230 | /* Find the clock divider value that gets us closest to ideal_clk */ |
| 231 | clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk); |
| 232 | |
| 233 | return (clkdiv < 0x100) ? clkdiv : 0xff; |
| 234 | } |
| 235 | |
| 236 | static bool fimd_mode_fixup(struct exynos_drm_manager *mgr, |
| 237 | const struct drm_display_mode *mode, |
| 238 | struct drm_display_mode *adjusted_mode) |
| 239 | { |
| 240 | if (adjusted_mode->vrefresh == 0) |
| 241 | adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE; |
| 242 | |
| 243 | return true; |
| 244 | } |
| 245 | |
| 246 | static void fimd_mode_set(struct exynos_drm_manager *mgr, |
| 247 | const struct drm_display_mode *in_mode) |
| 248 | { |
| 249 | struct fimd_context *ctx = mgr->ctx; |
| 250 | |
| 251 | drm_mode_copy(&ctx->mode, in_mode); |
| 252 | } |
| 253 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 254 | static void fimd_commit(struct exynos_drm_manager *mgr) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 255 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 256 | struct fimd_context *ctx = mgr->ctx; |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 257 | struct drm_display_mode *mode = &ctx->mode; |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 258 | struct fimd_driver_data *driver_data; |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 259 | u32 val, clkdiv; |
| 260 | int hblank, vblank, vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 261 | |
Tomasz Figa | 1887346 | 2013-05-01 21:02:26 +0200 | [diff] [blame] | 262 | driver_data = ctx->driver_data; |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 263 | if (ctx->suspended) |
| 264 | return; |
| 265 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 266 | /* nothing to do if we haven't set the mode yet */ |
| 267 | if (mode->htotal == 0 || mode->vtotal == 0) |
| 268 | return; |
| 269 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 270 | /* setup polarity values from machine code. */ |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 271 | writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 272 | |
| 273 | /* setup vertical timing values. */ |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 274 | vblank = mode->crtc_vblank_end - mode->crtc_vblank_start; |
| 275 | vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; |
| 276 | vbpd = (vblank - vsync_len) / 2; |
| 277 | vfpd = vblank - vsync_len - vbpd; |
| 278 | |
| 279 | val = VIDTCON0_VBPD(vbpd - 1) | |
| 280 | VIDTCON0_VFPD(vfpd - 1) | |
| 281 | VIDTCON0_VSPW(vsync_len - 1); |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 282 | writel(val, ctx->regs + driver_data->timing_base + VIDTCON0); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 283 | |
| 284 | /* setup horizontal timing values. */ |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 285 | hblank = mode->crtc_hblank_end - mode->crtc_hblank_start; |
| 286 | hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; |
| 287 | hbpd = (hblank - hsync_len) / 2; |
| 288 | hfpd = hblank - hsync_len - hbpd; |
| 289 | |
| 290 | val = VIDTCON1_HBPD(hbpd - 1) | |
| 291 | VIDTCON1_HFPD(hfpd - 1) | |
| 292 | VIDTCON1_HSPW(hsync_len - 1); |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 293 | writel(val, ctx->regs + driver_data->timing_base + VIDTCON1); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 294 | |
| 295 | /* setup horizontal and vertical display size. */ |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 296 | val = VIDTCON2_LINEVAL(mode->vdisplay - 1) | |
| 297 | VIDTCON2_HOZVAL(mode->hdisplay - 1) | |
| 298 | VIDTCON2_LINEVAL_E(mode->vdisplay - 1) | |
| 299 | VIDTCON2_HOZVAL_E(mode->hdisplay - 1); |
Leela Krishna Amudala | e2e1338 | 2012-09-21 16:52:15 +0530 | [diff] [blame] | 300 | writel(val, ctx->regs + driver_data->timing_base + VIDTCON2); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 301 | |
| 302 | /* setup clock source, clock divider, enable dma. */ |
| 303 | val = ctx->vidcon0; |
| 304 | val &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR); |
| 305 | |
Tomasz Figa | 411d9ed | 2013-05-01 21:02:28 +0200 | [diff] [blame] | 306 | if (ctx->driver_data->has_clksel) { |
| 307 | val &= ~VIDCON0_CLKSEL_MASK; |
| 308 | val |= VIDCON0_CLKSEL_LCD; |
| 309 | } |
| 310 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 311 | clkdiv = fimd_calc_clkdiv(ctx, mode); |
| 312 | if (clkdiv > 1) |
| 313 | val |= VIDCON0_CLKVAL_F(clkdiv - 1) | VIDCON0_CLKDIR; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 314 | else |
| 315 | val &= ~VIDCON0_CLKDIR; /* 1:1 clock */ |
| 316 | |
| 317 | /* |
| 318 | * fields of register with prefix '_F' would be updated |
| 319 | * at vsync(same as dma start) |
| 320 | */ |
| 321 | val |= VIDCON0_ENVID | VIDCON0_ENVID_F; |
| 322 | writel(val, ctx->regs + VIDCON0); |
| 323 | } |
| 324 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 325 | static int fimd_enable_vblank(struct exynos_drm_manager *mgr) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 326 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 327 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 328 | u32 val; |
| 329 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 330 | if (ctx->suspended) |
| 331 | return -EPERM; |
| 332 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 333 | if (!test_and_set_bit(0, &ctx->irq_flags)) { |
| 334 | val = readl(ctx->regs + VIDINTCON0); |
| 335 | |
| 336 | val |= VIDINTCON0_INT_ENABLE; |
| 337 | val |= VIDINTCON0_INT_FRAME; |
| 338 | |
| 339 | val &= ~VIDINTCON0_FRAMESEL0_MASK; |
| 340 | val |= VIDINTCON0_FRAMESEL0_VSYNC; |
| 341 | val &= ~VIDINTCON0_FRAMESEL1_MASK; |
| 342 | val |= VIDINTCON0_FRAMESEL1_NONE; |
| 343 | |
| 344 | writel(val, ctx->regs + VIDINTCON0); |
| 345 | } |
| 346 | |
| 347 | return 0; |
| 348 | } |
| 349 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 350 | static void fimd_disable_vblank(struct exynos_drm_manager *mgr) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 351 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 352 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 353 | u32 val; |
| 354 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 355 | if (ctx->suspended) |
| 356 | return; |
| 357 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 358 | if (test_and_clear_bit(0, &ctx->irq_flags)) { |
| 359 | val = readl(ctx->regs + VIDINTCON0); |
| 360 | |
| 361 | val &= ~VIDINTCON0_INT_FRAME; |
| 362 | val &= ~VIDINTCON0_INT_ENABLE; |
| 363 | |
| 364 | writel(val, ctx->regs + VIDINTCON0); |
| 365 | } |
| 366 | } |
| 367 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 368 | static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr) |
Prathyush K | 0703397 | 2012-12-06 20:16:02 +0530 | [diff] [blame] | 369 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 370 | struct fimd_context *ctx = mgr->ctx; |
Prathyush K | 0703397 | 2012-12-06 20:16:02 +0530 | [diff] [blame] | 371 | |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 372 | if (ctx->suspended) |
| 373 | return; |
| 374 | |
| 375 | atomic_set(&ctx->wait_vsync_event, 1); |
| 376 | |
| 377 | /* |
| 378 | * wait for FIMD to signal VSYNC interrupt or return after |
| 379 | * timeout which is set to 50ms (refresh rate of 20). |
| 380 | */ |
| 381 | if (!wait_event_timeout(ctx->wait_vsync_queue, |
| 382 | !atomic_read(&ctx->wait_vsync_event), |
Seung-Woo Kim | 8dd9ad5 | 2013-12-30 16:01:29 +0900 | [diff] [blame] | 383 | HZ/20)) |
Prathyush K | 0703397 | 2012-12-06 20:16:02 +0530 | [diff] [blame] | 384 | DRM_DEBUG_KMS("vblank wait timed out.\n"); |
| 385 | } |
| 386 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 387 | static void fimd_win_mode_set(struct exynos_drm_manager *mgr, |
| 388 | struct exynos_drm_overlay *overlay) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 389 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 390 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 391 | struct fimd_win_data *win_data; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 392 | int win; |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 393 | unsigned long offset; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 394 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 395 | if (!overlay) { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 396 | DRM_ERROR("overlay is NULL\n"); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 397 | return; |
| 398 | } |
| 399 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 400 | win = overlay->zpos; |
| 401 | if (win == DEFAULT_ZPOS) |
| 402 | win = ctx->default_win; |
| 403 | |
Krzysztof Kozlowski | 37b006e | 2013-05-27 11:56:26 +0200 | [diff] [blame] | 404 | if (win < 0 || win >= WINDOWS_NR) |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 405 | return; |
| 406 | |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 407 | offset = overlay->fb_x * (overlay->bpp >> 3); |
| 408 | offset += overlay->fb_y * overlay->pitch; |
| 409 | |
| 410 | DRM_DEBUG_KMS("offset = 0x%lx, pitch = %x\n", offset, overlay->pitch); |
| 411 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 412 | win_data = &ctx->win_data[win]; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 413 | |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 414 | win_data->offset_x = overlay->crtc_x; |
| 415 | win_data->offset_y = overlay->crtc_y; |
| 416 | win_data->ovl_width = overlay->crtc_width; |
| 417 | win_data->ovl_height = overlay->crtc_height; |
| 418 | win_data->fb_width = overlay->fb_width; |
| 419 | win_data->fb_height = overlay->fb_height; |
Seung-Woo Kim | 229d353 | 2011-12-15 14:36:22 +0900 | [diff] [blame] | 420 | win_data->dma_addr = overlay->dma_addr[0] + offset; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 421 | win_data->bpp = overlay->bpp; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 422 | win_data->pixel_format = overlay->pixel_format; |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 423 | win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) * |
| 424 | (overlay->bpp >> 3); |
| 425 | win_data->line_size = overlay->crtc_width * (overlay->bpp >> 3); |
| 426 | |
| 427 | DRM_DEBUG_KMS("offset_x = %d, offset_y = %d\n", |
| 428 | win_data->offset_x, win_data->offset_y); |
| 429 | DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", |
| 430 | win_data->ovl_width, win_data->ovl_height); |
YoungJun Cho | ddd8e95 | 2012-12-10 15:44:58 +0900 | [diff] [blame] | 431 | DRM_DEBUG_KMS("paddr = 0x%lx\n", (unsigned long)win_data->dma_addr); |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 432 | DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n", |
| 433 | overlay->fb_width, overlay->crtc_width); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 434 | } |
| 435 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 436 | 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] | 437 | { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 438 | struct fimd_win_data *win_data = &ctx->win_data[win]; |
| 439 | unsigned long val; |
| 440 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 441 | val = WINCONx_ENWIN; |
| 442 | |
Inki Dae | 5cc4621 | 2013-08-20 14:28:56 +0900 | [diff] [blame] | 443 | /* |
| 444 | * In case of s3c64xx, window 0 doesn't support alpha channel. |
| 445 | * So the request format is ARGB8888 then change it to XRGB8888. |
| 446 | */ |
| 447 | if (ctx->driver_data->has_limited_fmt && !win) { |
| 448 | if (win_data->pixel_format == DRM_FORMAT_ARGB8888) |
| 449 | win_data->pixel_format = DRM_FORMAT_XRGB8888; |
| 450 | } |
| 451 | |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 452 | switch (win_data->pixel_format) { |
| 453 | case DRM_FORMAT_C8: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 454 | val |= WINCON0_BPPMODE_8BPP_PALETTE; |
| 455 | val |= WINCONx_BURSTLEN_8WORD; |
| 456 | val |= WINCONx_BYTSWP; |
| 457 | break; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 458 | case DRM_FORMAT_XRGB1555: |
| 459 | val |= WINCON0_BPPMODE_16BPP_1555; |
| 460 | val |= WINCONx_HAWSWP; |
| 461 | val |= WINCONx_BURSTLEN_16WORD; |
| 462 | break; |
| 463 | case DRM_FORMAT_RGB565: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 464 | val |= WINCON0_BPPMODE_16BPP_565; |
| 465 | val |= WINCONx_HAWSWP; |
| 466 | val |= WINCONx_BURSTLEN_16WORD; |
| 467 | break; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 468 | case DRM_FORMAT_XRGB8888: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 469 | val |= WINCON0_BPPMODE_24BPP_888; |
| 470 | val |= WINCONx_WSWP; |
| 471 | val |= WINCONx_BURSTLEN_16WORD; |
| 472 | break; |
Inki Dae | a4f38a8 | 2013-08-20 13:51:02 +0900 | [diff] [blame] | 473 | case DRM_FORMAT_ARGB8888: |
| 474 | val |= WINCON1_BPPMODE_25BPP_A1888 |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 475 | | WINCON1_BLD_PIX | WINCON1_ALPHA_SEL; |
| 476 | val |= WINCONx_WSWP; |
| 477 | val |= WINCONx_BURSTLEN_16WORD; |
| 478 | break; |
| 479 | default: |
| 480 | DRM_DEBUG_KMS("invalid pixel size so using unpacked 24bpp.\n"); |
| 481 | |
| 482 | val |= WINCON0_BPPMODE_24BPP_888; |
| 483 | val |= WINCONx_WSWP; |
| 484 | val |= WINCONx_BURSTLEN_16WORD; |
| 485 | break; |
| 486 | } |
| 487 | |
| 488 | DRM_DEBUG_KMS("bpp = %d\n", win_data->bpp); |
| 489 | |
| 490 | writel(val, ctx->regs + WINCON(win)); |
| 491 | } |
| 492 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 493 | 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] | 494 | { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 495 | unsigned int keycon0 = 0, keycon1 = 0; |
| 496 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 497 | keycon0 = ~(WxKEYCON0_KEYBL_EN | WxKEYCON0_KEYEN_F | |
| 498 | WxKEYCON0_DIRCON) | WxKEYCON0_COMPKEY(0); |
| 499 | |
| 500 | keycon1 = WxKEYCON1_COLVAL(0xffffffff); |
| 501 | |
| 502 | writel(keycon0, ctx->regs + WKEYCON0_BASE(win)); |
| 503 | writel(keycon1, ctx->regs + WKEYCON1_BASE(win)); |
| 504 | } |
| 505 | |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 506 | /** |
| 507 | * shadow_protect_win() - disable updating values from shadow registers at vsync |
| 508 | * |
| 509 | * @win: window to protect registers for |
| 510 | * @protect: 1 to protect (disable updates) |
| 511 | */ |
| 512 | static void fimd_shadow_protect_win(struct fimd_context *ctx, |
| 513 | int win, bool protect) |
| 514 | { |
| 515 | u32 reg, bits, val; |
| 516 | |
| 517 | if (ctx->driver_data->has_shadowcon) { |
| 518 | reg = SHADOWCON; |
| 519 | bits = SHADOWCON_WINx_PROTECT(win); |
| 520 | } else { |
| 521 | reg = PRTCON; |
| 522 | bits = PRTCON_PROTECT; |
| 523 | } |
| 524 | |
| 525 | val = readl(ctx->regs + reg); |
| 526 | if (protect) |
| 527 | val |= bits; |
| 528 | else |
| 529 | val &= ~bits; |
| 530 | writel(val, ctx->regs + reg); |
| 531 | } |
| 532 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 533 | static void fimd_win_commit(struct exynos_drm_manager *mgr, int zpos) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 534 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 535 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 536 | struct fimd_win_data *win_data; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 537 | int win = zpos; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 538 | unsigned long val, alpha, size; |
Joonyoung Shim | f56aad3 | 2012-12-14 15:48:23 +0900 | [diff] [blame] | 539 | unsigned int last_x; |
| 540 | unsigned int last_y; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 541 | |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 542 | if (ctx->suspended) |
| 543 | return; |
| 544 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 545 | if (win == DEFAULT_ZPOS) |
| 546 | win = ctx->default_win; |
| 547 | |
Krzysztof Kozlowski | 37b006e | 2013-05-27 11:56:26 +0200 | [diff] [blame] | 548 | if (win < 0 || win >= WINDOWS_NR) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 549 | return; |
| 550 | |
| 551 | win_data = &ctx->win_data[win]; |
| 552 | |
| 553 | /* |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 554 | * SHADOWCON/PRTCON register is used for enabling timing. |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 555 | * |
| 556 | * for example, once only width value of a register is set, |
| 557 | * if the dma is started then fimd hardware could malfunction so |
| 558 | * with protect window setting, the register fields with prefix '_F' |
| 559 | * wouldn't be updated at vsync also but updated once unprotect window |
| 560 | * is set. |
| 561 | */ |
| 562 | |
| 563 | /* protect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 564 | fimd_shadow_protect_win(ctx, win, true); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 565 | |
| 566 | /* buffer start address */ |
Inki Dae | 2c87112 | 2011-11-12 15:23:32 +0900 | [diff] [blame] | 567 | val = (unsigned long)win_data->dma_addr; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 568 | writel(val, ctx->regs + VIDWx_BUF_START(win, 0)); |
| 569 | |
| 570 | /* buffer end address */ |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 571 | size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3); |
Inki Dae | 2c87112 | 2011-11-12 15:23:32 +0900 | [diff] [blame] | 572 | val = (unsigned long)(win_data->dma_addr + size); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 573 | writel(val, ctx->regs + VIDWx_BUF_END(win, 0)); |
| 574 | |
| 575 | DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n", |
Inki Dae | 2c87112 | 2011-11-12 15:23:32 +0900 | [diff] [blame] | 576 | (unsigned long)win_data->dma_addr, val, size); |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 577 | DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", |
| 578 | win_data->ovl_width, win_data->ovl_height); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 579 | |
| 580 | /* buffer size */ |
| 581 | val = VIDW_BUF_SIZE_OFFSET(win_data->buf_offsize) | |
Joonyoung Shim | ca555e5 | 2012-12-14 15:48:24 +0900 | [diff] [blame] | 582 | VIDW_BUF_SIZE_PAGEWIDTH(win_data->line_size) | |
| 583 | VIDW_BUF_SIZE_OFFSET_E(win_data->buf_offsize) | |
| 584 | VIDW_BUF_SIZE_PAGEWIDTH_E(win_data->line_size); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 585 | writel(val, ctx->regs + VIDWx_BUF_SIZE(win, 0)); |
| 586 | |
| 587 | /* OSD position */ |
| 588 | val = VIDOSDxA_TOPLEFT_X(win_data->offset_x) | |
Joonyoung Shim | ca555e5 | 2012-12-14 15:48:24 +0900 | [diff] [blame] | 589 | VIDOSDxA_TOPLEFT_Y(win_data->offset_y) | |
| 590 | VIDOSDxA_TOPLEFT_X_E(win_data->offset_x) | |
| 591 | VIDOSDxA_TOPLEFT_Y_E(win_data->offset_y); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 592 | writel(val, ctx->regs + VIDOSD_A(win)); |
| 593 | |
Joonyoung Shim | f56aad3 | 2012-12-14 15:48:23 +0900 | [diff] [blame] | 594 | last_x = win_data->offset_x + win_data->ovl_width; |
| 595 | if (last_x) |
| 596 | last_x--; |
| 597 | last_y = win_data->offset_y + win_data->ovl_height; |
| 598 | if (last_y) |
| 599 | last_y--; |
| 600 | |
Joonyoung Shim | ca555e5 | 2012-12-14 15:48:24 +0900 | [diff] [blame] | 601 | val = VIDOSDxB_BOTRIGHT_X(last_x) | VIDOSDxB_BOTRIGHT_Y(last_y) | |
| 602 | VIDOSDxB_BOTRIGHT_X_E(last_x) | VIDOSDxB_BOTRIGHT_Y_E(last_y); |
| 603 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 604 | writel(val, ctx->regs + VIDOSD_B(win)); |
| 605 | |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 606 | DRM_DEBUG_KMS("osd pos: tx = %d, ty = %d, bx = %d, by = %d\n", |
Joonyoung Shim | f56aad3 | 2012-12-14 15:48:23 +0900 | [diff] [blame] | 607 | win_data->offset_x, win_data->offset_y, last_x, last_y); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 608 | |
| 609 | /* hardware window 0 doesn't support alpha channel. */ |
| 610 | if (win != 0) { |
| 611 | /* OSD alpha */ |
| 612 | alpha = VIDISD14C_ALPHA1_R(0xf) | |
| 613 | VIDISD14C_ALPHA1_G(0xf) | |
| 614 | VIDISD14C_ALPHA1_B(0xf); |
| 615 | |
| 616 | writel(alpha, ctx->regs + VIDOSD_C(win)); |
| 617 | } |
| 618 | |
| 619 | /* OSD size */ |
| 620 | if (win != 3 && win != 4) { |
| 621 | u32 offset = VIDOSD_D(win); |
| 622 | if (win == 0) |
Leela Krishna Amudala | 0f10cf1 | 2013-03-07 23:28:52 -0500 | [diff] [blame] | 623 | offset = VIDOSD_C(win); |
Inki Dae | 19c8b83 | 2011-10-14 13:29:46 +0900 | [diff] [blame] | 624 | val = win_data->ovl_width * win_data->ovl_height; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 625 | writel(val, ctx->regs + offset); |
| 626 | |
| 627 | DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val); |
| 628 | } |
| 629 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 630 | fimd_win_set_pixfmt(ctx, win); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 631 | |
| 632 | /* hardware window 0 doesn't support color key. */ |
| 633 | if (win != 0) |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 634 | fimd_win_set_colkey(ctx, win); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 635 | |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 636 | /* wincon */ |
| 637 | val = readl(ctx->regs + WINCON(win)); |
| 638 | val |= WINCONx_ENWIN; |
| 639 | writel(val, ctx->regs + WINCON(win)); |
| 640 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 641 | /* Enable DMA channel and unprotect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 642 | fimd_shadow_protect_win(ctx, win, false); |
| 643 | |
| 644 | if (ctx->driver_data->has_shadowcon) { |
| 645 | val = readl(ctx->regs + SHADOWCON); |
| 646 | val |= SHADOWCON_CHx_ENABLE(win); |
| 647 | writel(val, ctx->regs + SHADOWCON); |
| 648 | } |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 649 | |
| 650 | win_data->enabled = true; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 651 | } |
| 652 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 653 | static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 654 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 655 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 656 | struct fimd_win_data *win_data; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 657 | int win = zpos; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 658 | u32 val; |
| 659 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 660 | if (win == DEFAULT_ZPOS) |
| 661 | win = ctx->default_win; |
| 662 | |
Krzysztof Kozlowski | 37b006e | 2013-05-27 11:56:26 +0200 | [diff] [blame] | 663 | if (win < 0 || win >= WINDOWS_NR) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 664 | return; |
| 665 | |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 666 | win_data = &ctx->win_data[win]; |
| 667 | |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 668 | if (ctx->suspended) { |
| 669 | /* do not resume this window*/ |
| 670 | win_data->resume = false; |
| 671 | return; |
| 672 | } |
| 673 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 674 | /* protect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 675 | fimd_shadow_protect_win(ctx, win, true); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 676 | |
| 677 | /* wincon */ |
| 678 | val = readl(ctx->regs + WINCON(win)); |
| 679 | val &= ~WINCONx_ENWIN; |
| 680 | writel(val, ctx->regs + WINCON(win)); |
| 681 | |
| 682 | /* unprotect windows */ |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 683 | if (ctx->driver_data->has_shadowcon) { |
| 684 | val = readl(ctx->regs + SHADOWCON); |
| 685 | val &= ~SHADOWCON_CHx_ENABLE(win); |
| 686 | writel(val, ctx->regs + SHADOWCON); |
| 687 | } |
| 688 | |
| 689 | fimd_shadow_protect_win(ctx, win, false); |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 690 | |
| 691 | win_data->enabled = false; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 692 | } |
| 693 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 694 | static void fimd_dpms(struct exynos_drm_manager *mgr, int mode) |
| 695 | { |
| 696 | struct fimd_context *ctx = mgr->ctx; |
| 697 | |
| 698 | DRM_DEBUG_KMS("%d\n", mode); |
| 699 | |
| 700 | mutex_lock(&ctx->lock); |
| 701 | |
| 702 | switch (mode) { |
| 703 | case DRM_MODE_DPMS_ON: |
| 704 | /* |
| 705 | * enable fimd hardware only if suspended status. |
| 706 | * |
| 707 | * P.S. fimd_dpms function would be called at booting time so |
| 708 | * clk_enable could be called double time. |
| 709 | */ |
| 710 | if (ctx->suspended) |
| 711 | pm_runtime_get_sync(ctx->dev); |
| 712 | break; |
| 713 | case DRM_MODE_DPMS_STANDBY: |
| 714 | case DRM_MODE_DPMS_SUSPEND: |
| 715 | case DRM_MODE_DPMS_OFF: |
| 716 | if (!ctx->suspended) |
| 717 | pm_runtime_put_sync(ctx->dev); |
| 718 | break; |
| 719 | default: |
| 720 | DRM_DEBUG_KMS("unspecified mode %d\n", mode); |
| 721 | break; |
| 722 | } |
| 723 | |
| 724 | mutex_unlock(&ctx->lock); |
| 725 | } |
| 726 | |
Sean Paul | 1c6244c | 2014-01-30 16:19:02 -0500 | [diff] [blame] | 727 | static struct exynos_drm_manager_ops fimd_manager_ops = { |
Sean Paul | 40c8ab4 | 2014-01-30 16:19:04 -0500 | [diff] [blame] | 728 | .initialize = fimd_mgr_initialize, |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 729 | .remove = fimd_mgr_remove, |
Sean Paul | 1c6244c | 2014-01-30 16:19:02 -0500 | [diff] [blame] | 730 | .dpms = fimd_dpms, |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 731 | .mode_fixup = fimd_mode_fixup, |
| 732 | .mode_set = fimd_mode_set, |
Sean Paul | 1c6244c | 2014-01-30 16:19:02 -0500 | [diff] [blame] | 733 | .commit = fimd_commit, |
| 734 | .enable_vblank = fimd_enable_vblank, |
| 735 | .disable_vblank = fimd_disable_vblank, |
| 736 | .wait_for_vblank = fimd_wait_for_vblank, |
| 737 | .win_mode_set = fimd_win_mode_set, |
| 738 | .win_commit = fimd_win_commit, |
| 739 | .win_disable = fimd_win_disable, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 740 | }; |
| 741 | |
Joonyoung Shim | 677e84c | 2012-04-05 20:49:27 +0900 | [diff] [blame] | 742 | static struct exynos_drm_manager fimd_manager = { |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 743 | .type = EXYNOS_DISPLAY_TYPE_LCD, |
| 744 | .ops = &fimd_manager_ops, |
Joonyoung Shim | 677e84c | 2012-04-05 20:49:27 +0900 | [diff] [blame] | 745 | }; |
| 746 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 747 | static irqreturn_t fimd_irq_handler(int irq, void *dev_id) |
| 748 | { |
| 749 | struct fimd_context *ctx = (struct fimd_context *)dev_id; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 750 | u32 val; |
| 751 | |
| 752 | val = readl(ctx->regs + VIDINTCON1); |
| 753 | |
| 754 | if (val & VIDINTCON1_INT_FRAME) |
| 755 | /* VSYNC interrupt */ |
| 756 | writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1); |
| 757 | |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 758 | /* check the crtc is detached already from encoder */ |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 759 | if (ctx->pipe < 0 || !ctx->drm_dev) |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 760 | goto out; |
Inki Dae | 483b88f | 2011-11-11 21:28:00 +0900 | [diff] [blame] | 761 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 762 | drm_handle_vblank(ctx->drm_dev, ctx->pipe); |
| 763 | exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 764 | |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 765 | /* set wait vsync event to zero and wake up queue. */ |
| 766 | if (atomic_read(&ctx->wait_vsync_event)) { |
| 767 | atomic_set(&ctx->wait_vsync_event, 0); |
Seung-Woo Kim | 8dd9ad5 | 2013-12-30 16:01:29 +0900 | [diff] [blame] | 768 | wake_up(&ctx->wait_vsync_queue); |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 769 | } |
Inki Dae | ec05da9 | 2011-12-06 11:06:54 +0900 | [diff] [blame] | 770 | out: |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 771 | return IRQ_HANDLED; |
| 772 | } |
| 773 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 774 | static void fimd_clear_win(struct fimd_context *ctx, int win) |
| 775 | { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 776 | writel(0, ctx->regs + WINCON(win)); |
| 777 | writel(0, ctx->regs + VIDOSD_A(win)); |
| 778 | writel(0, ctx->regs + VIDOSD_B(win)); |
| 779 | writel(0, ctx->regs + VIDOSD_C(win)); |
| 780 | |
| 781 | if (win == 1 || win == 2) |
| 782 | writel(0, ctx->regs + VIDOSD_D(win)); |
| 783 | |
Tomasz Figa | de7af10 | 2013-05-01 21:02:27 +0200 | [diff] [blame] | 784 | fimd_shadow_protect_win(ctx, win, false); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 785 | } |
| 786 | |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 787 | static int fimd_clock(struct fimd_context *ctx, bool enable) |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 788 | { |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 789 | if (enable) { |
| 790 | int ret; |
| 791 | |
Vikas Sajjan | 11963a6 | 2013-04-23 17:19:50 +0530 | [diff] [blame] | 792 | ret = clk_prepare_enable(ctx->bus_clk); |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 793 | if (ret < 0) |
| 794 | return ret; |
| 795 | |
Vikas Sajjan | 11963a6 | 2013-04-23 17:19:50 +0530 | [diff] [blame] | 796 | ret = clk_prepare_enable(ctx->lcd_clk); |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 797 | if (ret < 0) { |
Vikas Sajjan | 11963a6 | 2013-04-23 17:19:50 +0530 | [diff] [blame] | 798 | clk_disable_unprepare(ctx->bus_clk); |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 799 | return ret; |
| 800 | } |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 801 | } else { |
Vikas Sajjan | 11963a6 | 2013-04-23 17:19:50 +0530 | [diff] [blame] | 802 | clk_disable_unprepare(ctx->lcd_clk); |
| 803 | clk_disable_unprepare(ctx->bus_clk); |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 804 | } |
| 805 | |
| 806 | return 0; |
| 807 | } |
| 808 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 809 | static void fimd_window_suspend(struct exynos_drm_manager *mgr) |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 810 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 811 | struct fimd_context *ctx = mgr->ctx; |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 812 | struct fimd_win_data *win_data; |
| 813 | int i; |
| 814 | |
| 815 | for (i = 0; i < WINDOWS_NR; i++) { |
| 816 | win_data = &ctx->win_data[i]; |
| 817 | win_data->resume = win_data->enabled; |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 818 | fimd_win_disable(mgr, i); |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 819 | } |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 820 | fimd_wait_for_vblank(mgr); |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 821 | } |
| 822 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 823 | static void fimd_window_resume(struct exynos_drm_manager *mgr) |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 824 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 825 | struct fimd_context *ctx = mgr->ctx; |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 826 | struct fimd_win_data *win_data; |
| 827 | int i; |
| 828 | |
| 829 | for (i = 0; i < WINDOWS_NR; i++) { |
| 830 | win_data = &ctx->win_data[i]; |
| 831 | win_data->enabled = win_data->resume; |
| 832 | win_data->resume = false; |
| 833 | } |
| 834 | } |
| 835 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 836 | static void fimd_apply(struct exynos_drm_manager *mgr) |
| 837 | { |
| 838 | struct fimd_context *ctx = mgr->ctx; |
| 839 | struct fimd_win_data *win_data; |
| 840 | int i; |
| 841 | |
| 842 | for (i = 0; i < WINDOWS_NR; i++) { |
| 843 | win_data = &ctx->win_data[i]; |
| 844 | if (win_data->enabled) |
| 845 | fimd_win_commit(mgr, i); |
| 846 | } |
| 847 | |
| 848 | fimd_commit(mgr); |
| 849 | } |
| 850 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 851 | static int fimd_activate(struct exynos_drm_manager *mgr, bool enable) |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 852 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 853 | struct fimd_context *ctx = mgr->ctx; |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 854 | |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 855 | if (enable) { |
| 856 | int ret; |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 857 | |
| 858 | ret = fimd_clock(ctx, true); |
| 859 | if (ret < 0) |
| 860 | return ret; |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 861 | |
| 862 | ctx->suspended = false; |
| 863 | |
| 864 | /* if vblank was enabled status, enable it again. */ |
| 865 | if (test_and_clear_bit(0, &ctx->irq_flags)) |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 866 | fimd_enable_vblank(mgr); |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 867 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 868 | fimd_window_resume(mgr); |
Sean Paul | 87244fa | 2014-01-30 16:19:07 -0500 | [diff] [blame] | 869 | |
| 870 | fimd_apply(mgr); |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 871 | } else { |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 872 | fimd_window_suspend(mgr); |
Prathyush K | db7e55a | 2012-12-06 20:16:06 +0530 | [diff] [blame] | 873 | |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 874 | fimd_clock(ctx, false); |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 875 | ctx->suspended = true; |
| 876 | } |
| 877 | |
| 878 | return 0; |
| 879 | } |
| 880 | |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 881 | static int fimd_get_platform_data(struct fimd_context *ctx, struct device *dev) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 882 | { |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 883 | struct videomode *vm; |
| 884 | int ret; |
Vikas Sajjan | 7f4596f | 2013-03-07 12:15:21 +0530 | [diff] [blame] | 885 | |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 886 | vm = &ctx->panel.vm; |
| 887 | ret = of_get_videomode(dev->of_node, vm, OF_USE_NATIVE_MODE); |
| 888 | if (ret) { |
| 889 | DRM_ERROR("failed: of_get_videomode() : %d\n", ret); |
| 890 | return ret; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 891 | } |
| 892 | |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 893 | if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW) |
| 894 | ctx->vidcon1 |= VIDCON1_INV_VSYNC; |
| 895 | if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW) |
| 896 | ctx->vidcon1 |= VIDCON1_INV_HSYNC; |
| 897 | if (vm->flags & DISPLAY_FLAGS_DE_LOW) |
| 898 | ctx->vidcon1 |= VIDCON1_INV_VDEN; |
| 899 | if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) |
| 900 | ctx->vidcon1 |= VIDCON1_INV_VCLK; |
| 901 | |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 902 | return 0; |
| 903 | } |
| 904 | |
| 905 | static int fimd_probe(struct platform_device *pdev) |
| 906 | { |
| 907 | struct device *dev = &pdev->dev; |
| 908 | struct fimd_context *ctx; |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 909 | struct resource *res; |
| 910 | int win; |
| 911 | int ret = -EINVAL; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 912 | |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 913 | if (!dev->of_node) |
| 914 | return -ENODEV; |
| 915 | |
Seung-Woo Kim | d873ab9 | 2013-05-22 21:14:14 +0900 | [diff] [blame] | 916 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 917 | if (!ctx) |
| 918 | return -ENOMEM; |
| 919 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 920 | ctx->dev = dev; |
| 921 | |
Andrzej Hajda | 562ad9f | 2013-08-21 16:22:03 +0200 | [diff] [blame] | 922 | ret = fimd_get_platform_data(ctx, dev); |
| 923 | if (ret) |
| 924 | return ret; |
| 925 | |
Sean Paul | a968e72 | 2014-01-30 16:19:20 -0500 | [diff] [blame^] | 926 | ctx->bus_clk = devm_clk_get(dev, "fimd"); |
| 927 | if (IS_ERR(ctx->bus_clk)) { |
| 928 | dev_err(dev, "failed to get bus clock\n"); |
| 929 | return PTR_ERR(ctx->bus_clk); |
| 930 | } |
| 931 | |
| 932 | ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd"); |
| 933 | if (IS_ERR(ctx->lcd_clk)) { |
| 934 | dev_err(dev, "failed to get lcd clock\n"); |
| 935 | return PTR_ERR(ctx->lcd_clk); |
| 936 | } |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 937 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 938 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 939 | |
Seung-Woo Kim | d873ab9 | 2013-05-22 21:14:14 +0900 | [diff] [blame] | 940 | ctx->regs = devm_ioremap_resource(dev, res); |
Thierry Reding | d4ed602 | 2013-01-21 11:09:02 +0100 | [diff] [blame] | 941 | if (IS_ERR(ctx->regs)) |
| 942 | return PTR_ERR(ctx->regs); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 943 | |
Vikas Sajjan | 1977e6d | 2013-04-02 17:53:01 +0900 | [diff] [blame] | 944 | res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "vsync"); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 945 | if (!res) { |
| 946 | dev_err(dev, "irq request failed.\n"); |
Sachin Kamat | a4d8de5 | 2012-11-26 09:47:14 +0530 | [diff] [blame] | 947 | return -ENXIO; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 948 | } |
| 949 | |
| 950 | ctx->irq = res->start; |
| 951 | |
Seung-Woo Kim | d873ab9 | 2013-05-22 21:14:14 +0900 | [diff] [blame] | 952 | ret = devm_request_irq(dev, ctx->irq, fimd_irq_handler, |
Sachin Kamat | edc5726 | 2012-06-19 11:47:39 +0530 | [diff] [blame] | 953 | 0, "drm_fimd", ctx); |
| 954 | if (ret) { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 955 | dev_err(dev, "irq request failed.\n"); |
Sachin Kamat | a4d8de5 | 2012-11-26 09:47:14 +0530 | [diff] [blame] | 956 | return ret; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 957 | } |
| 958 | |
Tomasz Figa | 1887346 | 2013-05-01 21:02:26 +0200 | [diff] [blame] | 959 | ctx->driver_data = drm_fimd_get_driver_data(pdev); |
Daniel Vetter | 57ed0f7 | 2013-12-11 11:34:43 +0100 | [diff] [blame] | 960 | init_waitqueue_head(&ctx->wait_vsync_queue); |
Prathyush K | 01ce113 | 2012-12-06 20:16:04 +0530 | [diff] [blame] | 961 | atomic_set(&ctx->wait_vsync_event, 0); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 962 | |
Inki Dae | c32b06e | 2011-12-16 21:49:03 +0900 | [diff] [blame] | 963 | mutex_init(&ctx->lock); |
| 964 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 965 | platform_set_drvdata(pdev, &fimd_manager); |
Inki Dae | c32b06e | 2011-12-16 21:49:03 +0900 | [diff] [blame] | 966 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 967 | fimd_manager.ctx = ctx; |
| 968 | exynos_drm_manager_register(&fimd_manager); |
| 969 | |
| 970 | fimd_display.ctx = ctx; |
| 971 | exynos_drm_display_register(&fimd_display); |
| 972 | |
Inki Dae | c32b06e | 2011-12-16 21:49:03 +0900 | [diff] [blame] | 973 | pm_runtime_enable(dev); |
| 974 | pm_runtime_get_sync(dev); |
| 975 | |
| 976 | for (win = 0; win < WINDOWS_NR; win++) |
| 977 | fimd_clear_win(ctx, win); |
| 978 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 979 | return 0; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 980 | } |
| 981 | |
Greg Kroah-Hartman | 56550d9 | 2012-12-21 15:09:25 -0800 | [diff] [blame] | 982 | static int fimd_remove(struct platform_device *pdev) |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 983 | { |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 984 | struct device *dev = &pdev->dev; |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 985 | struct exynos_drm_manager *mgr = platform_get_drvdata(pdev); |
| 986 | struct fimd_context *ctx = mgr->ctx; |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 987 | |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 988 | exynos_drm_display_unregister(&fimd_display); |
| 989 | exynos_drm_manager_unregister(&fimd_manager); |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 990 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 991 | if (ctx->suspended) |
| 992 | goto out; |
| 993 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 994 | pm_runtime_set_suspended(dev); |
| 995 | pm_runtime_put_sync(dev); |
| 996 | |
| 997 | out: |
| 998 | pm_runtime_disable(dev); |
| 999 | |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1000 | return 0; |
| 1001 | } |
| 1002 | |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 1003 | #ifdef CONFIG_PM_SLEEP |
| 1004 | static int fimd_suspend(struct device *dev) |
| 1005 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1006 | struct exynos_drm_manager *mgr = get_fimd_manager(dev); |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 1007 | |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 1008 | /* |
| 1009 | * do not use pm_runtime_suspend(). if pm_runtime_suspend() is |
| 1010 | * called here, an error would be returned by that interface |
| 1011 | * because the usage_count of pm runtime is more than 1. |
| 1012 | */ |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 1013 | if (!pm_runtime_suspended(dev)) |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1014 | return fimd_activate(mgr, false); |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 1015 | |
| 1016 | return 0; |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 1017 | } |
| 1018 | |
| 1019 | static int fimd_resume(struct device *dev) |
| 1020 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1021 | struct exynos_drm_manager *mgr = get_fimd_manager(dev); |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 1022 | |
Inki Dae | 373af0c | 2012-01-27 11:54:58 +0900 | [diff] [blame] | 1023 | /* |
| 1024 | * if entered to sleep when lcd panel was on, the usage_count |
| 1025 | * of pm runtime would still be 1 so in this case, fimd driver |
| 1026 | * should be on directly not drawing on pm runtime interface. |
| 1027 | */ |
Sean Paul | 87244fa | 2014-01-30 16:19:07 -0500 | [diff] [blame] | 1028 | if (pm_runtime_suspended(dev)) |
| 1029 | return 0; |
Inki Dae | 5d55393 | 2012-08-17 17:08:04 +0900 | [diff] [blame] | 1030 | |
Sean Paul | 87244fa | 2014-01-30 16:19:07 -0500 | [diff] [blame] | 1031 | return fimd_activate(mgr, true); |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 1032 | } |
| 1033 | #endif |
| 1034 | |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1035 | #ifdef CONFIG_PM_RUNTIME |
| 1036 | static int fimd_runtime_suspend(struct device *dev) |
| 1037 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1038 | struct exynos_drm_manager *mgr = get_fimd_manager(dev); |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1039 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1040 | return fimd_activate(mgr, false); |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1041 | } |
| 1042 | |
| 1043 | static int fimd_runtime_resume(struct device *dev) |
| 1044 | { |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1045 | struct exynos_drm_manager *mgr = get_fimd_manager(dev); |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1046 | |
Sean Paul | bb7704d | 2014-01-30 16:19:06 -0500 | [diff] [blame] | 1047 | return fimd_activate(mgr, true); |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1048 | } |
| 1049 | #endif |
| 1050 | |
| 1051 | static const struct dev_pm_ops fimd_pm_ops = { |
Inki Dae | e30d4bc | 2011-12-12 16:35:20 +0900 | [diff] [blame] | 1052 | SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume) |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1053 | SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL) |
| 1054 | }; |
| 1055 | |
Joonyoung Shim | 132a5b9 | 2012-03-16 18:47:08 +0900 | [diff] [blame] | 1056 | struct platform_driver fimd_driver = { |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1057 | .probe = fimd_probe, |
Greg Kroah-Hartman | 56550d9 | 2012-12-21 15:09:25 -0800 | [diff] [blame] | 1058 | .remove = fimd_remove, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1059 | .driver = { |
| 1060 | .name = "exynos4-fb", |
| 1061 | .owner = THIS_MODULE, |
Joonyoung Shim | cb91f6a | 2011-12-09 16:52:11 +0900 | [diff] [blame] | 1062 | .pm = &fimd_pm_ops, |
Sachin Kamat | 2d3f173 | 2013-08-28 10:47:58 +0530 | [diff] [blame] | 1063 | .of_match_table = fimd_driver_dt_match, |
Inki Dae | 1c248b7 | 2011-10-04 19:19:01 +0900 | [diff] [blame] | 1064 | }, |
| 1065 | }; |