Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Samsung HDMI interface driver |
| 3 | * |
| 4 | * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. |
| 5 | * |
| 6 | * Tomasz Stanislawski, <t.stanislaws@samsung.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published |
| 10 | * by the Free Software Foundiation. either version 2 of the License, |
| 11 | * or (at your option) any later version |
| 12 | */ |
| 13 | |
Sachin Kamat | f5c9903 | 2012-06-11 06:13:52 -0300 | [diff] [blame] | 14 | #define pr_fmt(fmt) "s5p-tv (hdmi_drv): " fmt |
| 15 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 16 | #ifdef CONFIG_VIDEO_SAMSUNG_S5P_HDMI_DEBUG |
| 17 | #define DEBUG |
| 18 | #endif |
| 19 | |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/slab.h> |
| 22 | #include <linux/io.h> |
| 23 | #include <linux/i2c.h> |
| 24 | #include <linux/platform_device.h> |
| 25 | #include <media/v4l2-subdev.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/interrupt.h> |
| 28 | #include <linux/irq.h> |
| 29 | #include <linux/delay.h> |
| 30 | #include <linux/bug.h> |
| 31 | #include <linux/pm_runtime.h> |
| 32 | #include <linux/clk.h> |
| 33 | #include <linux/regulator/consumer.h> |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 34 | #include <linux/v4l2-dv-timings.h> |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 35 | |
Tomasz Stanislawski | 350f2f4d | 2011-09-21 11:53:31 -0300 | [diff] [blame] | 36 | #include <media/s5p_hdmi.h> |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 37 | #include <media/v4l2-common.h> |
| 38 | #include <media/v4l2-dev.h> |
| 39 | #include <media/v4l2-device.h> |
Sylwester Nawrocki | 5c47776 | 2013-08-23 13:26:10 -0300 | [diff] [blame] | 40 | #include <media/v4l2-dv-timings.h> |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 41 | |
| 42 | #include "regs-hdmi.h" |
| 43 | |
| 44 | MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>"); |
| 45 | MODULE_DESCRIPTION("Samsung HDMI"); |
| 46 | MODULE_LICENSE("GPL"); |
| 47 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 48 | struct hdmi_pulse { |
| 49 | u32 beg; |
| 50 | u32 end; |
| 51 | }; |
| 52 | |
| 53 | struct hdmi_timings { |
| 54 | struct hdmi_pulse hact; |
| 55 | u32 hsyn_pol; /* 0 - high, 1 - low */ |
| 56 | struct hdmi_pulse hsyn; |
| 57 | u32 interlaced; |
| 58 | struct hdmi_pulse vact[2]; |
| 59 | u32 vsyn_pol; /* 0 - high, 1 - low */ |
| 60 | u32 vsyn_off; |
| 61 | struct hdmi_pulse vsyn[2]; |
| 62 | }; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 63 | |
| 64 | struct hdmi_resources { |
| 65 | struct clk *hdmi; |
| 66 | struct clk *sclk_hdmi; |
| 67 | struct clk *sclk_pixel; |
| 68 | struct clk *sclk_hdmiphy; |
| 69 | struct clk *hdmiphy; |
| 70 | struct regulator_bulk_data *regul_bulk; |
| 71 | int regul_count; |
| 72 | }; |
| 73 | |
| 74 | struct hdmi_device { |
| 75 | /** base address of HDMI registers */ |
| 76 | void __iomem *regs; |
| 77 | /** HDMI interrupt */ |
| 78 | unsigned int irq; |
| 79 | /** pointer to device parent */ |
| 80 | struct device *dev; |
| 81 | /** subdev generated by HDMI device */ |
| 82 | struct v4l2_subdev sd; |
| 83 | /** V4L2 device structure */ |
| 84 | struct v4l2_device v4l2_dev; |
| 85 | /** subdev of HDMIPHY interface */ |
| 86 | struct v4l2_subdev *phy_sd; |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 87 | /** subdev of MHL interface */ |
| 88 | struct v4l2_subdev *mhl_sd; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 89 | /** configuration of current graphic mode */ |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 90 | const struct hdmi_timings *cur_conf; |
Tomasz Stanislawski | 2fd07a4 | 2012-03-09 08:05:24 -0300 | [diff] [blame] | 91 | /** flag indicating that timings are dirty */ |
| 92 | int cur_conf_dirty; |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 93 | /** current timings */ |
| 94 | struct v4l2_dv_timings cur_timings; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 95 | /** other resources */ |
| 96 | struct hdmi_resources res; |
| 97 | }; |
| 98 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 99 | static struct platform_device_id hdmi_driver_types[] = { |
| 100 | { |
| 101 | .name = "s5pv210-hdmi", |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 102 | }, { |
| 103 | .name = "exynos4-hdmi", |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 104 | }, { |
| 105 | /* end node */ |
| 106 | } |
| 107 | }; |
| 108 | |
| 109 | static const struct v4l2_subdev_ops hdmi_sd_ops; |
| 110 | |
| 111 | static struct hdmi_device *sd_to_hdmi_dev(struct v4l2_subdev *sd) |
| 112 | { |
| 113 | return container_of(sd, struct hdmi_device, sd); |
| 114 | } |
| 115 | |
| 116 | static inline |
| 117 | void hdmi_write(struct hdmi_device *hdev, u32 reg_id, u32 value) |
| 118 | { |
| 119 | writel(value, hdev->regs + reg_id); |
| 120 | } |
| 121 | |
| 122 | static inline |
| 123 | void hdmi_write_mask(struct hdmi_device *hdev, u32 reg_id, u32 value, u32 mask) |
| 124 | { |
| 125 | u32 old = readl(hdev->regs + reg_id); |
| 126 | value = (value & mask) | (old & ~mask); |
| 127 | writel(value, hdev->regs + reg_id); |
| 128 | } |
| 129 | |
| 130 | static inline |
| 131 | void hdmi_writeb(struct hdmi_device *hdev, u32 reg_id, u8 value) |
| 132 | { |
| 133 | writeb(value, hdev->regs + reg_id); |
| 134 | } |
| 135 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 136 | static inline |
| 137 | void hdmi_writebn(struct hdmi_device *hdev, u32 reg_id, int n, u32 value) |
| 138 | { |
| 139 | switch (n) { |
| 140 | default: |
| 141 | writeb(value >> 24, hdev->regs + reg_id + 12); |
| 142 | case 3: |
| 143 | writeb(value >> 16, hdev->regs + reg_id + 8); |
| 144 | case 2: |
| 145 | writeb(value >> 8, hdev->regs + reg_id + 4); |
| 146 | case 1: |
| 147 | writeb(value >> 0, hdev->regs + reg_id + 0); |
| 148 | } |
| 149 | } |
| 150 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 151 | static inline u32 hdmi_read(struct hdmi_device *hdev, u32 reg_id) |
| 152 | { |
| 153 | return readl(hdev->regs + reg_id); |
| 154 | } |
| 155 | |
| 156 | static irqreturn_t hdmi_irq_handler(int irq, void *dev_data) |
| 157 | { |
| 158 | struct hdmi_device *hdev = dev_data; |
| 159 | u32 intc_flag; |
| 160 | |
| 161 | (void)irq; |
| 162 | intc_flag = hdmi_read(hdev, HDMI_INTC_FLAG); |
| 163 | /* clearing flags for HPD plug/unplug */ |
| 164 | if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) { |
Sachin Kamat | f5c9903 | 2012-06-11 06:13:52 -0300 | [diff] [blame] | 165 | pr_info("unplugged\n"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 166 | hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0, |
| 167 | HDMI_INTC_FLAG_HPD_UNPLUG); |
| 168 | } |
| 169 | if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) { |
Sachin Kamat | f5c9903 | 2012-06-11 06:13:52 -0300 | [diff] [blame] | 170 | pr_info("plugged\n"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 171 | hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0, |
| 172 | HDMI_INTC_FLAG_HPD_PLUG); |
| 173 | } |
| 174 | |
| 175 | return IRQ_HANDLED; |
| 176 | } |
| 177 | |
| 178 | static void hdmi_reg_init(struct hdmi_device *hdev) |
| 179 | { |
| 180 | /* enable HPD interrupts */ |
| 181 | hdmi_write_mask(hdev, HDMI_INTC_CON, ~0, HDMI_INTC_EN_GLOBAL | |
| 182 | HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); |
Tomasz Stanislawski | 17b2747 | 2011-08-25 12:45:22 -0300 | [diff] [blame] | 183 | /* choose DVI mode */ |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 184 | hdmi_write_mask(hdev, HDMI_MODE_SEL, |
Tomasz Stanislawski | 17b2747 | 2011-08-25 12:45:22 -0300 | [diff] [blame] | 185 | HDMI_MODE_DVI_EN, HDMI_MODE_MASK); |
| 186 | hdmi_write_mask(hdev, HDMI_CON_2, ~0, |
| 187 | HDMI_DVI_PERAMBLE_EN | HDMI_DVI_BAND_EN); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 188 | /* disable bluescreen */ |
| 189 | hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN); |
| 190 | /* choose bluescreen (fecal) color */ |
| 191 | hdmi_writeb(hdev, HDMI_BLUE_SCREEN_0, 0x12); |
| 192 | hdmi_writeb(hdev, HDMI_BLUE_SCREEN_1, 0x34); |
| 193 | hdmi_writeb(hdev, HDMI_BLUE_SCREEN_2, 0x56); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | static void hdmi_timing_apply(struct hdmi_device *hdev, |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 197 | const struct hdmi_timings *t) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 198 | { |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 199 | /* setting core registers */ |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 200 | hdmi_writebn(hdev, HDMI_H_BLANK_0, 2, t->hact.beg); |
| 201 | hdmi_writebn(hdev, HDMI_H_SYNC_GEN_0, 3, |
| 202 | (t->hsyn_pol << 20) | (t->hsyn.end << 10) | t->hsyn.beg); |
| 203 | hdmi_writeb(hdev, HDMI_VSYNC_POL, t->vsyn_pol); |
| 204 | hdmi_writebn(hdev, HDMI_V_BLANK_0, 3, |
| 205 | (t->vact[0].beg << 11) | t->vact[0].end); |
| 206 | hdmi_writebn(hdev, HDMI_V_SYNC_GEN_1_0, 3, |
| 207 | (t->vsyn[0].beg << 12) | t->vsyn[0].end); |
| 208 | if (t->interlaced) { |
| 209 | u32 vsyn_trans = t->hsyn.beg + t->vsyn_off; |
| 210 | |
| 211 | hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 1); |
| 212 | hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3, |
| 213 | (t->hact.end << 12) | t->vact[1].end); |
| 214 | hdmi_writebn(hdev, HDMI_V_BLANK_F_0, 3, |
| 215 | (t->vact[1].end << 11) | t->vact[1].beg); |
| 216 | hdmi_writebn(hdev, HDMI_V_SYNC_GEN_2_0, 3, |
| 217 | (t->vsyn[1].beg << 12) | t->vsyn[1].end); |
| 218 | hdmi_writebn(hdev, HDMI_V_SYNC_GEN_3_0, 3, |
| 219 | (vsyn_trans << 12) | vsyn_trans); |
| 220 | } else { |
| 221 | hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 0); |
| 222 | hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3, |
| 223 | (t->hact.end << 12) | t->vact[0].end); |
| 224 | } |
| 225 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 226 | /* Timing generator registers */ |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 227 | hdmi_writebn(hdev, HDMI_TG_H_FSZ_L, 2, t->hact.end); |
| 228 | hdmi_writebn(hdev, HDMI_TG_HACT_ST_L, 2, t->hact.beg); |
| 229 | hdmi_writebn(hdev, HDMI_TG_HACT_SZ_L, 2, t->hact.end - t->hact.beg); |
| 230 | hdmi_writebn(hdev, HDMI_TG_VSYNC_L, 2, t->vsyn[0].beg); |
| 231 | hdmi_writebn(hdev, HDMI_TG_VACT_ST_L, 2, t->vact[0].beg); |
| 232 | hdmi_writebn(hdev, HDMI_TG_VACT_SZ_L, 2, |
| 233 | t->vact[0].end - t->vact[0].beg); |
| 234 | hdmi_writebn(hdev, HDMI_TG_VSYNC_TOP_HDMI_L, 2, t->vsyn[0].beg); |
| 235 | hdmi_writebn(hdev, HDMI_TG_FIELD_TOP_HDMI_L, 2, t->vsyn[0].beg); |
| 236 | if (t->interlaced) { |
| 237 | hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_FIELD_EN); |
| 238 | hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[1].end); |
| 239 | hdmi_writebn(hdev, HDMI_TG_VSYNC2_L, 2, t->vsyn[1].beg); |
| 240 | hdmi_writebn(hdev, HDMI_TG_FIELD_CHG_L, 2, t->vact[0].end); |
| 241 | hdmi_writebn(hdev, HDMI_TG_VACT_ST2_L, 2, t->vact[1].beg); |
| 242 | hdmi_writebn(hdev, HDMI_TG_VSYNC_BOT_HDMI_L, 2, t->vsyn[1].beg); |
| 243 | hdmi_writebn(hdev, HDMI_TG_FIELD_BOT_HDMI_L, 2, t->vsyn[1].beg); |
| 244 | } else { |
| 245 | hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_FIELD_EN); |
| 246 | hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[0].end); |
| 247 | } |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | static int hdmi_conf_apply(struct hdmi_device *hdmi_dev) |
| 251 | { |
| 252 | struct device *dev = hdmi_dev->dev; |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 253 | const struct hdmi_timings *conf = hdmi_dev->cur_conf; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 254 | int ret; |
| 255 | |
| 256 | dev_dbg(dev, "%s\n", __func__); |
| 257 | |
Tomasz Stanislawski | 2fd07a4 | 2012-03-09 08:05:24 -0300 | [diff] [blame] | 258 | /* skip if conf is already synchronized with HW */ |
| 259 | if (!hdmi_dev->cur_conf_dirty) |
| 260 | return 0; |
| 261 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 262 | /* reset hdmiphy */ |
| 263 | hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT); |
| 264 | mdelay(10); |
| 265 | hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT); |
| 266 | mdelay(10); |
| 267 | |
Hans Verkuil | 9b30af9 | 2013-02-15 14:59:48 -0300 | [diff] [blame] | 268 | /* configure timings */ |
| 269 | ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_timings, |
| 270 | &hdmi_dev->cur_timings); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 271 | if (ret) { |
Hans Verkuil | 9b30af9 | 2013-02-15 14:59:48 -0300 | [diff] [blame] | 272 | dev_err(dev, "failed to set timings\n"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 273 | return ret; |
| 274 | } |
| 275 | |
| 276 | /* resetting HDMI core */ |
| 277 | hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, 0, HDMI_CORE_SW_RSTOUT); |
| 278 | mdelay(10); |
| 279 | hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, ~0, HDMI_CORE_SW_RSTOUT); |
| 280 | mdelay(10); |
| 281 | |
| 282 | hdmi_reg_init(hdmi_dev); |
| 283 | |
| 284 | /* setting core registers */ |
| 285 | hdmi_timing_apply(hdmi_dev, conf); |
| 286 | |
Tomasz Stanislawski | 2fd07a4 | 2012-03-09 08:05:24 -0300 | [diff] [blame] | 287 | hdmi_dev->cur_conf_dirty = 0; |
| 288 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static void hdmi_dumpregs(struct hdmi_device *hdev, char *prefix) |
| 293 | { |
| 294 | #define DUMPREG(reg_id) \ |
| 295 | dev_dbg(hdev->dev, "%s:" #reg_id " = %08x\n", prefix, \ |
| 296 | readl(hdev->regs + reg_id)) |
| 297 | |
| 298 | dev_dbg(hdev->dev, "%s: ---- CONTROL REGISTERS ----\n", prefix); |
| 299 | DUMPREG(HDMI_INTC_FLAG); |
| 300 | DUMPREG(HDMI_INTC_CON); |
| 301 | DUMPREG(HDMI_HPD_STATUS); |
| 302 | DUMPREG(HDMI_PHY_RSTOUT); |
| 303 | DUMPREG(HDMI_PHY_VPLL); |
| 304 | DUMPREG(HDMI_PHY_CMU); |
| 305 | DUMPREG(HDMI_CORE_RSTOUT); |
| 306 | |
| 307 | dev_dbg(hdev->dev, "%s: ---- CORE REGISTERS ----\n", prefix); |
| 308 | DUMPREG(HDMI_CON_0); |
| 309 | DUMPREG(HDMI_CON_1); |
| 310 | DUMPREG(HDMI_CON_2); |
| 311 | DUMPREG(HDMI_SYS_STATUS); |
| 312 | DUMPREG(HDMI_PHY_STATUS); |
| 313 | DUMPREG(HDMI_STATUS_EN); |
| 314 | DUMPREG(HDMI_HPD); |
| 315 | DUMPREG(HDMI_MODE_SEL); |
| 316 | DUMPREG(HDMI_HPD_GEN); |
| 317 | DUMPREG(HDMI_DC_CONTROL); |
| 318 | DUMPREG(HDMI_VIDEO_PATTERN_GEN); |
| 319 | |
| 320 | dev_dbg(hdev->dev, "%s: ---- CORE SYNC REGISTERS ----\n", prefix); |
| 321 | DUMPREG(HDMI_H_BLANK_0); |
| 322 | DUMPREG(HDMI_H_BLANK_1); |
| 323 | DUMPREG(HDMI_V_BLANK_0); |
| 324 | DUMPREG(HDMI_V_BLANK_1); |
| 325 | DUMPREG(HDMI_V_BLANK_2); |
| 326 | DUMPREG(HDMI_H_V_LINE_0); |
| 327 | DUMPREG(HDMI_H_V_LINE_1); |
| 328 | DUMPREG(HDMI_H_V_LINE_2); |
| 329 | DUMPREG(HDMI_VSYNC_POL); |
| 330 | DUMPREG(HDMI_INT_PRO_MODE); |
| 331 | DUMPREG(HDMI_V_BLANK_F_0); |
| 332 | DUMPREG(HDMI_V_BLANK_F_1); |
| 333 | DUMPREG(HDMI_V_BLANK_F_2); |
| 334 | DUMPREG(HDMI_H_SYNC_GEN_0); |
| 335 | DUMPREG(HDMI_H_SYNC_GEN_1); |
| 336 | DUMPREG(HDMI_H_SYNC_GEN_2); |
| 337 | DUMPREG(HDMI_V_SYNC_GEN_1_0); |
| 338 | DUMPREG(HDMI_V_SYNC_GEN_1_1); |
| 339 | DUMPREG(HDMI_V_SYNC_GEN_1_2); |
| 340 | DUMPREG(HDMI_V_SYNC_GEN_2_0); |
| 341 | DUMPREG(HDMI_V_SYNC_GEN_2_1); |
| 342 | DUMPREG(HDMI_V_SYNC_GEN_2_2); |
| 343 | DUMPREG(HDMI_V_SYNC_GEN_3_0); |
| 344 | DUMPREG(HDMI_V_SYNC_GEN_3_1); |
| 345 | DUMPREG(HDMI_V_SYNC_GEN_3_2); |
| 346 | |
| 347 | dev_dbg(hdev->dev, "%s: ---- TG REGISTERS ----\n", prefix); |
| 348 | DUMPREG(HDMI_TG_CMD); |
| 349 | DUMPREG(HDMI_TG_H_FSZ_L); |
| 350 | DUMPREG(HDMI_TG_H_FSZ_H); |
| 351 | DUMPREG(HDMI_TG_HACT_ST_L); |
| 352 | DUMPREG(HDMI_TG_HACT_ST_H); |
| 353 | DUMPREG(HDMI_TG_HACT_SZ_L); |
| 354 | DUMPREG(HDMI_TG_HACT_SZ_H); |
| 355 | DUMPREG(HDMI_TG_V_FSZ_L); |
| 356 | DUMPREG(HDMI_TG_V_FSZ_H); |
| 357 | DUMPREG(HDMI_TG_VSYNC_L); |
| 358 | DUMPREG(HDMI_TG_VSYNC_H); |
| 359 | DUMPREG(HDMI_TG_VSYNC2_L); |
| 360 | DUMPREG(HDMI_TG_VSYNC2_H); |
| 361 | DUMPREG(HDMI_TG_VACT_ST_L); |
| 362 | DUMPREG(HDMI_TG_VACT_ST_H); |
| 363 | DUMPREG(HDMI_TG_VACT_SZ_L); |
| 364 | DUMPREG(HDMI_TG_VACT_SZ_H); |
| 365 | DUMPREG(HDMI_TG_FIELD_CHG_L); |
| 366 | DUMPREG(HDMI_TG_FIELD_CHG_H); |
| 367 | DUMPREG(HDMI_TG_VACT_ST2_L); |
| 368 | DUMPREG(HDMI_TG_VACT_ST2_H); |
| 369 | DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L); |
| 370 | DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H); |
| 371 | DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L); |
| 372 | DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H); |
| 373 | DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L); |
| 374 | DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H); |
| 375 | DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L); |
| 376 | DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H); |
| 377 | #undef DUMPREG |
| 378 | } |
| 379 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 380 | static const struct hdmi_timings hdmi_timings_480p = { |
| 381 | .hact = { .beg = 138, .end = 858 }, |
| 382 | .hsyn_pol = 1, |
| 383 | .hsyn = { .beg = 16, .end = 16 + 62 }, |
| 384 | .interlaced = 0, |
| 385 | .vact[0] = { .beg = 42 + 3, .end = 522 + 3 }, |
| 386 | .vsyn_pol = 1, |
| 387 | .vsyn[0] = { .beg = 6 + 3, .end = 12 + 3}, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 388 | }; |
| 389 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 390 | static const struct hdmi_timings hdmi_timings_576p50 = { |
| 391 | .hact = { .beg = 144, .end = 864 }, |
| 392 | .hsyn_pol = 1, |
| 393 | .hsyn = { .beg = 12, .end = 12 + 64 }, |
| 394 | .interlaced = 0, |
| 395 | .vact[0] = { .beg = 44 + 5, .end = 620 + 5 }, |
| 396 | .vsyn_pol = 1, |
| 397 | .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5}, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 398 | }; |
| 399 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 400 | static const struct hdmi_timings hdmi_timings_720p60 = { |
| 401 | .hact = { .beg = 370, .end = 1650 }, |
| 402 | .hsyn_pol = 0, |
| 403 | .hsyn = { .beg = 110, .end = 110 + 40 }, |
| 404 | .interlaced = 0, |
| 405 | .vact[0] = { .beg = 25 + 5, .end = 745 + 5 }, |
| 406 | .vsyn_pol = 0, |
| 407 | .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5}, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 408 | }; |
| 409 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 410 | static const struct hdmi_timings hdmi_timings_720p50 = { |
| 411 | .hact = { .beg = 700, .end = 1980 }, |
| 412 | .hsyn_pol = 0, |
| 413 | .hsyn = { .beg = 440, .end = 440 + 40 }, |
| 414 | .interlaced = 0, |
| 415 | .vact[0] = { .beg = 25 + 5, .end = 745 + 5 }, |
| 416 | .vsyn_pol = 0, |
| 417 | .vsyn[0] = { .beg = 0 + 5, .end = 5 + 5}, |
| 418 | }; |
| 419 | |
| 420 | static const struct hdmi_timings hdmi_timings_1080p24 = { |
| 421 | .hact = { .beg = 830, .end = 2750 }, |
| 422 | .hsyn_pol = 0, |
| 423 | .hsyn = { .beg = 638, .end = 638 + 44 }, |
| 424 | .interlaced = 0, |
| 425 | .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 }, |
| 426 | .vsyn_pol = 0, |
| 427 | .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4}, |
| 428 | }; |
| 429 | |
| 430 | static const struct hdmi_timings hdmi_timings_1080p60 = { |
| 431 | .hact = { .beg = 280, .end = 2200 }, |
| 432 | .hsyn_pol = 0, |
| 433 | .hsyn = { .beg = 88, .end = 88 + 44 }, |
| 434 | .interlaced = 0, |
| 435 | .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 }, |
| 436 | .vsyn_pol = 0, |
| 437 | .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4}, |
| 438 | }; |
| 439 | |
| 440 | static const struct hdmi_timings hdmi_timings_1080i60 = { |
| 441 | .hact = { .beg = 280, .end = 2200 }, |
| 442 | .hsyn_pol = 0, |
| 443 | .hsyn = { .beg = 88, .end = 88 + 44 }, |
| 444 | .interlaced = 1, |
| 445 | .vact[0] = { .beg = 20 + 2, .end = 560 + 2 }, |
| 446 | .vact[1] = { .beg = 583 + 2, .end = 1123 + 2 }, |
| 447 | .vsyn_pol = 0, |
| 448 | .vsyn_off = 1100, |
| 449 | .vsyn[0] = { .beg = 0 + 2, .end = 5 + 2}, |
| 450 | .vsyn[1] = { .beg = 562 + 2, .end = 567 + 2}, |
| 451 | }; |
| 452 | |
| 453 | static const struct hdmi_timings hdmi_timings_1080i50 = { |
| 454 | .hact = { .beg = 720, .end = 2640 }, |
| 455 | .hsyn_pol = 0, |
| 456 | .hsyn = { .beg = 528, .end = 528 + 44 }, |
| 457 | .interlaced = 1, |
| 458 | .vact[0] = { .beg = 20 + 2, .end = 560 + 2 }, |
| 459 | .vact[1] = { .beg = 583 + 2, .end = 1123 + 2 }, |
| 460 | .vsyn_pol = 0, |
| 461 | .vsyn_off = 1320, |
| 462 | .vsyn[0] = { .beg = 0 + 2, .end = 5 + 2}, |
| 463 | .vsyn[1] = { .beg = 562 + 2, .end = 567 + 2}, |
| 464 | }; |
| 465 | |
| 466 | static const struct hdmi_timings hdmi_timings_1080p50 = { |
| 467 | .hact = { .beg = 720, .end = 2640 }, |
| 468 | .hsyn_pol = 0, |
| 469 | .hsyn = { .beg = 528, .end = 528 + 44 }, |
| 470 | .interlaced = 0, |
| 471 | .vact[0] = { .beg = 41 + 4, .end = 1121 + 4 }, |
| 472 | .vsyn_pol = 0, |
| 473 | .vsyn[0] = { .beg = 0 + 4, .end = 5 + 4}, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 474 | }; |
| 475 | |
Hans Verkuil | 9b30af9 | 2013-02-15 14:59:48 -0300 | [diff] [blame] | 476 | /* default hdmi_timings index of the timings configured on probe */ |
| 477 | #define HDMI_DEFAULT_TIMINGS_IDX (0) |
| 478 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 479 | static const struct { |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 480 | bool reduced_fps; |
| 481 | const struct v4l2_dv_timings dv_timings; |
| 482 | const struct hdmi_timings *hdmi_timings; |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 483 | } hdmi_timings[] = { |
Hans Verkuil | 9b30af9 | 2013-02-15 14:59:48 -0300 | [diff] [blame] | 484 | { false, V4L2_DV_BT_CEA_720X480P59_94, &hdmi_timings_480p }, |
| 485 | { false, V4L2_DV_BT_CEA_720X576P50, &hdmi_timings_576p50 }, |
| 486 | { false, V4L2_DV_BT_CEA_1280X720P50, &hdmi_timings_720p50 }, |
| 487 | { true, V4L2_DV_BT_CEA_1280X720P60, &hdmi_timings_720p60 }, |
| 488 | { false, V4L2_DV_BT_CEA_1920X1080P24, &hdmi_timings_1080p24 }, |
| 489 | { false, V4L2_DV_BT_CEA_1920X1080P30, &hdmi_timings_1080p60 }, |
| 490 | { false, V4L2_DV_BT_CEA_1920X1080P50, &hdmi_timings_1080p50 }, |
| 491 | { false, V4L2_DV_BT_CEA_1920X1080I50, &hdmi_timings_1080i50 }, |
| 492 | { false, V4L2_DV_BT_CEA_1920X1080I60, &hdmi_timings_1080i60 }, |
| 493 | { false, V4L2_DV_BT_CEA_1920X1080P60, &hdmi_timings_1080p60 }, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 494 | }; |
| 495 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 496 | static int hdmi_streamon(struct hdmi_device *hdev) |
| 497 | { |
| 498 | struct device *dev = hdev->dev; |
| 499 | struct hdmi_resources *res = &hdev->res; |
| 500 | int ret, tries; |
| 501 | |
| 502 | dev_dbg(dev, "%s\n", __func__); |
| 503 | |
Tomasz Stanislawski | 2fd07a4 | 2012-03-09 08:05:24 -0300 | [diff] [blame] | 504 | ret = hdmi_conf_apply(hdev); |
| 505 | if (ret) |
| 506 | return ret; |
| 507 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 508 | ret = v4l2_subdev_call(hdev->phy_sd, video, s_stream, 1); |
| 509 | if (ret) |
| 510 | return ret; |
| 511 | |
| 512 | /* waiting for HDMIPHY's PLL to get to steady state */ |
| 513 | for (tries = 100; tries; --tries) { |
| 514 | u32 val = hdmi_read(hdev, HDMI_PHY_STATUS); |
| 515 | if (val & HDMI_PHY_STATUS_READY) |
| 516 | break; |
| 517 | mdelay(1); |
| 518 | } |
| 519 | /* steady state not achieved */ |
| 520 | if (tries == 0) { |
| 521 | dev_err(dev, "hdmiphy's pll could not reach steady state.\n"); |
| 522 | v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 523 | hdmi_dumpregs(hdev, "hdmiphy - s_stream"); |
| 524 | return -EIO; |
| 525 | } |
| 526 | |
| 527 | /* starting MHL */ |
| 528 | ret = v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 1); |
| 529 | if (hdev->mhl_sd && ret) { |
| 530 | v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); |
| 531 | hdmi_dumpregs(hdev, "mhl - s_stream"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 532 | return -EIO; |
| 533 | } |
| 534 | |
| 535 | /* hdmiphy clock is used for HDMI in streaming mode */ |
| 536 | clk_disable(res->sclk_hdmi); |
| 537 | clk_set_parent(res->sclk_hdmi, res->sclk_hdmiphy); |
| 538 | clk_enable(res->sclk_hdmi); |
| 539 | |
| 540 | /* enable HDMI and timing generator */ |
| 541 | hdmi_write_mask(hdev, HDMI_CON_0, ~0, HDMI_EN); |
| 542 | hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_EN); |
| 543 | hdmi_dumpregs(hdev, "streamon"); |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | static int hdmi_streamoff(struct hdmi_device *hdev) |
| 548 | { |
| 549 | struct device *dev = hdev->dev; |
| 550 | struct hdmi_resources *res = &hdev->res; |
| 551 | |
| 552 | dev_dbg(dev, "%s\n", __func__); |
| 553 | |
| 554 | hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_EN); |
| 555 | hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_EN); |
| 556 | |
| 557 | /* pixel(vpll) clock is used for HDMI in config mode */ |
| 558 | clk_disable(res->sclk_hdmi); |
| 559 | clk_set_parent(res->sclk_hdmi, res->sclk_pixel); |
| 560 | clk_enable(res->sclk_hdmi); |
| 561 | |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 562 | v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 0); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 563 | v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0); |
| 564 | |
| 565 | hdmi_dumpregs(hdev, "streamoff"); |
| 566 | return 0; |
| 567 | } |
| 568 | |
| 569 | static int hdmi_s_stream(struct v4l2_subdev *sd, int enable) |
| 570 | { |
| 571 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
| 572 | struct device *dev = hdev->dev; |
| 573 | |
| 574 | dev_dbg(dev, "%s(%d)\n", __func__, enable); |
| 575 | if (enable) |
| 576 | return hdmi_streamon(hdev); |
| 577 | return hdmi_streamoff(hdev); |
| 578 | } |
| 579 | |
Sylwester Nawrocki | 62d5487 | 2013-06-10 08:54:48 -0300 | [diff] [blame] | 580 | static int hdmi_resource_poweron(struct hdmi_resources *res) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 581 | { |
Sylwester Nawrocki | 62d5487 | 2013-06-10 08:54:48 -0300 | [diff] [blame] | 582 | int ret; |
| 583 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 584 | /* turn HDMI power on */ |
Sylwester Nawrocki | 62d5487 | 2013-06-10 08:54:48 -0300 | [diff] [blame] | 585 | ret = regulator_bulk_enable(res->regul_count, res->regul_bulk); |
| 586 | if (ret < 0) |
| 587 | return ret; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 588 | /* power-on hdmi physical interface */ |
| 589 | clk_enable(res->hdmiphy); |
| 590 | /* use VPP as parent clock; HDMIPHY is not working yet */ |
| 591 | clk_set_parent(res->sclk_hdmi, res->sclk_pixel); |
| 592 | /* turn clocks on */ |
| 593 | clk_enable(res->sclk_hdmi); |
Sylwester Nawrocki | 62d5487 | 2013-06-10 08:54:48 -0300 | [diff] [blame] | 594 | |
| 595 | return 0; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | static void hdmi_resource_poweroff(struct hdmi_resources *res) |
| 599 | { |
| 600 | /* turn clocks off */ |
| 601 | clk_disable(res->sclk_hdmi); |
| 602 | /* power-off hdmiphy */ |
| 603 | clk_disable(res->hdmiphy); |
| 604 | /* turn HDMI power off */ |
| 605 | regulator_bulk_disable(res->regul_count, res->regul_bulk); |
| 606 | } |
| 607 | |
| 608 | static int hdmi_s_power(struct v4l2_subdev *sd, int on) |
| 609 | { |
| 610 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
| 611 | int ret; |
| 612 | |
| 613 | if (on) |
| 614 | ret = pm_runtime_get_sync(hdev->dev); |
| 615 | else |
| 616 | ret = pm_runtime_put_sync(hdev->dev); |
| 617 | /* only values < 0 indicate errors */ |
| 618 | return IS_ERR_VALUE(ret) ? ret : 0; |
| 619 | } |
| 620 | |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 621 | static int hdmi_s_dv_timings(struct v4l2_subdev *sd, |
| 622 | struct v4l2_dv_timings *timings) |
| 623 | { |
| 624 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
| 625 | struct device *dev = hdev->dev; |
| 626 | int i; |
| 627 | |
| 628 | for (i = 0; i < ARRAY_SIZE(hdmi_timings); i++) |
Hans Verkuil | ef1ed8f | 2013-08-15 08:28:47 -0300 | [diff] [blame] | 629 | if (v4l2_match_dv_timings(&hdmi_timings[i].dv_timings, |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 630 | timings, 0)) |
| 631 | break; |
| 632 | if (i == ARRAY_SIZE(hdmi_timings)) { |
| 633 | dev_err(dev, "timings not supported\n"); |
| 634 | return -EINVAL; |
| 635 | } |
| 636 | hdev->cur_conf = hdmi_timings[i].hdmi_timings; |
| 637 | hdev->cur_conf_dirty = 1; |
| 638 | hdev->cur_timings = *timings; |
| 639 | if (!hdmi_timings[i].reduced_fps) |
| 640 | hdev->cur_timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS; |
| 641 | return 0; |
| 642 | } |
| 643 | |
| 644 | static int hdmi_g_dv_timings(struct v4l2_subdev *sd, |
| 645 | struct v4l2_dv_timings *timings) |
| 646 | { |
| 647 | *timings = sd_to_hdmi_dev(sd)->cur_timings; |
| 648 | return 0; |
| 649 | } |
| 650 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 651 | static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd, |
| 652 | struct v4l2_mbus_framefmt *fmt) |
| 653 | { |
| 654 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 655 | const struct hdmi_timings *t = hdev->cur_conf; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 656 | |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 657 | dev_dbg(hdev->dev, "%s\n", __func__); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 658 | if (!hdev->cur_conf) |
| 659 | return -EINVAL; |
Sachin Kamat | d322bb9 | 2012-11-26 01:49:05 -0300 | [diff] [blame] | 660 | memset(fmt, 0, sizeof(*fmt)); |
Tomasz Stanislawski | 3f468ac | 2012-02-03 14:02:17 -0300 | [diff] [blame] | 661 | fmt->width = t->hact.end - t->hact.beg; |
| 662 | fmt->height = t->vact[0].end - t->vact[0].beg; |
| 663 | fmt->code = V4L2_MBUS_FMT_FIXED; /* means RGB888 */ |
| 664 | fmt->colorspace = V4L2_COLORSPACE_SRGB; |
| 665 | if (t->interlaced) { |
| 666 | fmt->field = V4L2_FIELD_INTERLACED; |
| 667 | fmt->height *= 2; |
| 668 | } else { |
| 669 | fmt->field = V4L2_FIELD_NONE; |
| 670 | } |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 671 | return 0; |
| 672 | } |
| 673 | |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 674 | static int hdmi_enum_dv_timings(struct v4l2_subdev *sd, |
| 675 | struct v4l2_enum_dv_timings *timings) |
| 676 | { |
Laurent Pinchart | 5908e3a | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 677 | if (timings->pad != 0) |
| 678 | return -EINVAL; |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 679 | if (timings->index >= ARRAY_SIZE(hdmi_timings)) |
| 680 | return -EINVAL; |
| 681 | timings->timings = hdmi_timings[timings->index].dv_timings; |
| 682 | if (!hdmi_timings[timings->index].reduced_fps) |
| 683 | timings->timings.bt.flags &= ~V4L2_DV_FL_CAN_REDUCE_FPS; |
| 684 | return 0; |
| 685 | } |
| 686 | |
| 687 | static int hdmi_dv_timings_cap(struct v4l2_subdev *sd, |
| 688 | struct v4l2_dv_timings_cap *cap) |
| 689 | { |
| 690 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
| 691 | |
Laurent Pinchart | 5908e3a | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 692 | if (cap->pad != 0) |
| 693 | return -EINVAL; |
| 694 | |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 695 | /* Let the phy fill in the pixelclock range */ |
Laurent Pinchart | 9e82440 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 696 | v4l2_subdev_call(hdev->phy_sd, pad, dv_timings_cap, cap); |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 697 | cap->type = V4L2_DV_BT_656_1120; |
| 698 | cap->bt.min_width = 720; |
| 699 | cap->bt.max_width = 1920; |
| 700 | cap->bt.min_height = 480; |
| 701 | cap->bt.max_height = 1080; |
| 702 | cap->bt.standards = V4L2_DV_BT_STD_CEA861; |
| 703 | cap->bt.capabilities = V4L2_DV_BT_CAP_INTERLACED | |
| 704 | V4L2_DV_BT_CAP_PROGRESSIVE; |
| 705 | return 0; |
| 706 | } |
| 707 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 708 | static const struct v4l2_subdev_core_ops hdmi_sd_core_ops = { |
| 709 | .s_power = hdmi_s_power, |
| 710 | }; |
| 711 | |
| 712 | static const struct v4l2_subdev_video_ops hdmi_sd_video_ops = { |
Hans Verkuil | 5efb54b | 2013-03-04 09:29:33 -0300 | [diff] [blame] | 713 | .s_dv_timings = hdmi_s_dv_timings, |
| 714 | .g_dv_timings = hdmi_g_dv_timings, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 715 | .g_mbus_fmt = hdmi_g_mbus_fmt, |
| 716 | .s_stream = hdmi_s_stream, |
| 717 | }; |
| 718 | |
Laurent Pinchart | 5908e3a | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 719 | static const struct v4l2_subdev_pad_ops hdmi_sd_pad_ops = { |
| 720 | .enum_dv_timings = hdmi_enum_dv_timings, |
| 721 | .dv_timings_cap = hdmi_dv_timings_cap, |
| 722 | }; |
| 723 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 724 | static const struct v4l2_subdev_ops hdmi_sd_ops = { |
| 725 | .core = &hdmi_sd_core_ops, |
| 726 | .video = &hdmi_sd_video_ops, |
| 727 | }; |
| 728 | |
| 729 | static int hdmi_runtime_suspend(struct device *dev) |
| 730 | { |
| 731 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| 732 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
| 733 | |
| 734 | dev_dbg(dev, "%s\n", __func__); |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 735 | v4l2_subdev_call(hdev->mhl_sd, core, s_power, 0); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 736 | hdmi_resource_poweroff(&hdev->res); |
Tomasz Stanislawski | 2fd07a4 | 2012-03-09 08:05:24 -0300 | [diff] [blame] | 737 | /* flag that device context is lost */ |
| 738 | hdev->cur_conf_dirty = 1; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 739 | return 0; |
| 740 | } |
| 741 | |
| 742 | static int hdmi_runtime_resume(struct device *dev) |
| 743 | { |
| 744 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| 745 | struct hdmi_device *hdev = sd_to_hdmi_dev(sd); |
Sylwester Nawrocki | 62d5487 | 2013-06-10 08:54:48 -0300 | [diff] [blame] | 746 | int ret; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 747 | |
| 748 | dev_dbg(dev, "%s\n", __func__); |
| 749 | |
Sylwester Nawrocki | 62d5487 | 2013-06-10 08:54:48 -0300 | [diff] [blame] | 750 | ret = hdmi_resource_poweron(&hdev->res); |
| 751 | if (ret < 0) |
| 752 | return ret; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 753 | |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 754 | /* starting MHL */ |
| 755 | ret = v4l2_subdev_call(hdev->mhl_sd, core, s_power, 1); |
| 756 | if (hdev->mhl_sd && ret) |
| 757 | goto fail; |
| 758 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 759 | dev_dbg(dev, "poweron succeed\n"); |
| 760 | |
| 761 | return 0; |
| 762 | |
| 763 | fail: |
| 764 | hdmi_resource_poweroff(&hdev->res); |
| 765 | dev_err(dev, "poweron failed\n"); |
| 766 | |
| 767 | return ret; |
| 768 | } |
| 769 | |
| 770 | static const struct dev_pm_ops hdmi_pm_ops = { |
| 771 | .runtime_suspend = hdmi_runtime_suspend, |
| 772 | .runtime_resume = hdmi_runtime_resume, |
| 773 | }; |
| 774 | |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 775 | static void hdmi_resource_clear_clocks(struct hdmi_resources *res) |
| 776 | { |
| 777 | res->hdmi = ERR_PTR(-EINVAL); |
| 778 | res->sclk_hdmi = ERR_PTR(-EINVAL); |
| 779 | res->sclk_pixel = ERR_PTR(-EINVAL); |
| 780 | res->sclk_hdmiphy = ERR_PTR(-EINVAL); |
| 781 | res->hdmiphy = ERR_PTR(-EINVAL); |
| 782 | } |
| 783 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 784 | static void hdmi_resources_cleanup(struct hdmi_device *hdev) |
| 785 | { |
| 786 | struct hdmi_resources *res = &hdev->res; |
| 787 | |
| 788 | dev_dbg(hdev->dev, "HDMI resource cleanup\n"); |
| 789 | /* put clocks, power */ |
| 790 | if (res->regul_count) |
| 791 | regulator_bulk_free(res->regul_count, res->regul_bulk); |
| 792 | /* kfree is NULL-safe */ |
| 793 | kfree(res->regul_bulk); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 794 | if (!IS_ERR(res->hdmiphy)) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 795 | clk_put(res->hdmiphy); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 796 | if (!IS_ERR(res->sclk_hdmiphy)) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 797 | clk_put(res->sclk_hdmiphy); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 798 | if (!IS_ERR(res->sclk_pixel)) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 799 | clk_put(res->sclk_pixel); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 800 | if (!IS_ERR(res->sclk_hdmi)) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 801 | clk_put(res->sclk_hdmi); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 802 | if (!IS_ERR(res->hdmi)) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 803 | clk_put(res->hdmi); |
Sachin Kamat | d322bb9 | 2012-11-26 01:49:05 -0300 | [diff] [blame] | 804 | memset(res, 0, sizeof(*res)); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 805 | hdmi_resource_clear_clocks(res); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 806 | } |
| 807 | |
| 808 | static int hdmi_resources_init(struct hdmi_device *hdev) |
| 809 | { |
| 810 | struct device *dev = hdev->dev; |
| 811 | struct hdmi_resources *res = &hdev->res; |
| 812 | static char *supply[] = { |
| 813 | "hdmi-en", |
| 814 | "vdd", |
| 815 | "vdd_osc", |
| 816 | "vdd_pll", |
| 817 | }; |
| 818 | int i, ret; |
| 819 | |
| 820 | dev_dbg(dev, "HDMI resource init\n"); |
| 821 | |
Sachin Kamat | d322bb9 | 2012-11-26 01:49:05 -0300 | [diff] [blame] | 822 | memset(res, 0, sizeof(*res)); |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 823 | hdmi_resource_clear_clocks(res); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 824 | |
Sachin Kamat | 4404875 | 2013-05-17 00:31:01 -0300 | [diff] [blame] | 825 | /* get clocks, power */ |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 826 | res->hdmi = clk_get(dev, "hdmi"); |
Tony Prisk | aeae3db | 2012-12-18 04:28:39 -0300 | [diff] [blame] | 827 | if (IS_ERR(res->hdmi)) { |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 828 | dev_err(dev, "failed to get clock 'hdmi'\n"); |
| 829 | goto fail; |
| 830 | } |
| 831 | res->sclk_hdmi = clk_get(dev, "sclk_hdmi"); |
Tony Prisk | aeae3db | 2012-12-18 04:28:39 -0300 | [diff] [blame] | 832 | if (IS_ERR(res->sclk_hdmi)) { |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 833 | dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); |
| 834 | goto fail; |
| 835 | } |
| 836 | res->sclk_pixel = clk_get(dev, "sclk_pixel"); |
Tony Prisk | aeae3db | 2012-12-18 04:28:39 -0300 | [diff] [blame] | 837 | if (IS_ERR(res->sclk_pixel)) { |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 838 | dev_err(dev, "failed to get clock 'sclk_pixel'\n"); |
| 839 | goto fail; |
| 840 | } |
| 841 | res->sclk_hdmiphy = clk_get(dev, "sclk_hdmiphy"); |
Tony Prisk | aeae3db | 2012-12-18 04:28:39 -0300 | [diff] [blame] | 842 | if (IS_ERR(res->sclk_hdmiphy)) { |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 843 | dev_err(dev, "failed to get clock 'sclk_hdmiphy'\n"); |
| 844 | goto fail; |
| 845 | } |
| 846 | res->hdmiphy = clk_get(dev, "hdmiphy"); |
Tony Prisk | aeae3db | 2012-12-18 04:28:39 -0300 | [diff] [blame] | 847 | if (IS_ERR(res->hdmiphy)) { |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 848 | dev_err(dev, "failed to get clock 'hdmiphy'\n"); |
| 849 | goto fail; |
| 850 | } |
Thomas Meyer | 505b534 | 2011-11-29 17:08:00 -0300 | [diff] [blame] | 851 | res->regul_bulk = kcalloc(ARRAY_SIZE(supply), |
| 852 | sizeof(res->regul_bulk[0]), GFP_KERNEL); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 853 | if (!res->regul_bulk) { |
| 854 | dev_err(dev, "failed to get memory for regulators\n"); |
| 855 | goto fail; |
| 856 | } |
| 857 | for (i = 0; i < ARRAY_SIZE(supply); ++i) { |
| 858 | res->regul_bulk[i].supply = supply[i]; |
| 859 | res->regul_bulk[i].consumer = NULL; |
| 860 | } |
| 861 | |
| 862 | ret = regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk); |
| 863 | if (ret) { |
| 864 | dev_err(dev, "failed to get regulators\n"); |
| 865 | goto fail; |
| 866 | } |
| 867 | res->regul_count = ARRAY_SIZE(supply); |
| 868 | |
| 869 | return 0; |
| 870 | fail: |
| 871 | dev_err(dev, "HDMI resource init - failed\n"); |
| 872 | hdmi_resources_cleanup(hdev); |
| 873 | return -ENODEV; |
| 874 | } |
| 875 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 876 | static int hdmi_probe(struct platform_device *pdev) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 877 | { |
| 878 | struct device *dev = &pdev->dev; |
| 879 | struct resource *res; |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 880 | struct i2c_adapter *adapter; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 881 | struct v4l2_subdev *sd; |
| 882 | struct hdmi_device *hdmi_dev = NULL; |
Tomasz Stanislawski | 350f2f4d | 2011-09-21 11:53:31 -0300 | [diff] [blame] | 883 | struct s5p_hdmi_platform_data *pdata = dev->platform_data; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 884 | int ret; |
| 885 | |
| 886 | dev_dbg(dev, "probe start\n"); |
| 887 | |
Tomasz Stanislawski | 350f2f4d | 2011-09-21 11:53:31 -0300 | [diff] [blame] | 888 | if (!pdata) { |
| 889 | dev_err(dev, "platform data is missing\n"); |
| 890 | ret = -ENODEV; |
| 891 | goto fail; |
| 892 | } |
| 893 | |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 894 | hdmi_dev = devm_kzalloc(&pdev->dev, sizeof(*hdmi_dev), GFP_KERNEL); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 895 | if (!hdmi_dev) { |
| 896 | dev_err(dev, "out of memory\n"); |
| 897 | ret = -ENOMEM; |
| 898 | goto fail; |
| 899 | } |
| 900 | |
| 901 | hdmi_dev->dev = dev; |
| 902 | |
| 903 | ret = hdmi_resources_init(hdmi_dev); |
| 904 | if (ret) |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 905 | goto fail; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 906 | |
| 907 | /* mapping HDMI registers */ |
| 908 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 909 | if (res == NULL) { |
| 910 | dev_err(dev, "get memory resource failed.\n"); |
| 911 | ret = -ENXIO; |
| 912 | goto fail_init; |
| 913 | } |
| 914 | |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 915 | hdmi_dev->regs = devm_ioremap(&pdev->dev, res->start, |
| 916 | resource_size(res)); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 917 | if (hdmi_dev->regs == NULL) { |
| 918 | dev_err(dev, "register mapping failed.\n"); |
| 919 | ret = -ENXIO; |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 920 | goto fail_init; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 921 | } |
| 922 | |
| 923 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
| 924 | if (res == NULL) { |
| 925 | dev_err(dev, "get interrupt resource failed.\n"); |
| 926 | ret = -ENXIO; |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 927 | goto fail_init; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 928 | } |
| 929 | |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 930 | ret = devm_request_irq(&pdev->dev, res->start, hdmi_irq_handler, 0, |
| 931 | "hdmi", hdmi_dev); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 932 | if (ret) { |
| 933 | dev_err(dev, "request interrupt failed.\n"); |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 934 | goto fail_init; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 935 | } |
| 936 | hdmi_dev->irq = res->start; |
| 937 | |
| 938 | /* setting v4l2 name to prevent WARN_ON in v4l2_device_register */ |
| 939 | strlcpy(hdmi_dev->v4l2_dev.name, dev_name(dev), |
| 940 | sizeof(hdmi_dev->v4l2_dev.name)); |
| 941 | /* passing NULL owner prevents driver from erasing drvdata */ |
| 942 | ret = v4l2_device_register(NULL, &hdmi_dev->v4l2_dev); |
| 943 | if (ret) { |
| 944 | dev_err(dev, "could not register v4l2 device.\n"); |
Julia Lawall | e861dcc | 2012-02-13 10:34:58 -0300 | [diff] [blame] | 945 | goto fail_init; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 946 | } |
| 947 | |
Tomasz Stanislawski | 350f2f4d | 2011-09-21 11:53:31 -0300 | [diff] [blame] | 948 | /* testing if hdmiphy info is present */ |
| 949 | if (!pdata->hdmiphy_info) { |
| 950 | dev_err(dev, "hdmiphy info is missing in platform data\n"); |
| 951 | ret = -ENXIO; |
| 952 | goto fail_vdev; |
| 953 | } |
| 954 | |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 955 | adapter = i2c_get_adapter(pdata->hdmiphy_bus); |
| 956 | if (adapter == NULL) { |
| 957 | dev_err(dev, "hdmiphy adapter request failed\n"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 958 | ret = -ENXIO; |
| 959 | goto fail_vdev; |
| 960 | } |
| 961 | |
| 962 | hdmi_dev->phy_sd = v4l2_i2c_new_subdev_board(&hdmi_dev->v4l2_dev, |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 963 | adapter, pdata->hdmiphy_info, NULL); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 964 | /* on failure or not adapter is no longer useful */ |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 965 | i2c_put_adapter(adapter); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 966 | if (hdmi_dev->phy_sd == NULL) { |
| 967 | dev_err(dev, "missing subdev for hdmiphy\n"); |
| 968 | ret = -ENODEV; |
| 969 | goto fail_vdev; |
| 970 | } |
| 971 | |
Tomasz Stanislawski | 5145aa7 | 2011-09-21 13:23:05 -0300 | [diff] [blame] | 972 | /* initialization of MHL interface if present */ |
| 973 | if (pdata->mhl_info) { |
| 974 | adapter = i2c_get_adapter(pdata->mhl_bus); |
| 975 | if (adapter == NULL) { |
| 976 | dev_err(dev, "MHL adapter request failed\n"); |
| 977 | ret = -ENXIO; |
| 978 | goto fail_vdev; |
| 979 | } |
| 980 | |
| 981 | hdmi_dev->mhl_sd = v4l2_i2c_new_subdev_board( |
| 982 | &hdmi_dev->v4l2_dev, adapter, |
| 983 | pdata->mhl_info, NULL); |
| 984 | /* on failure or not adapter is no longer useful */ |
| 985 | i2c_put_adapter(adapter); |
| 986 | if (hdmi_dev->mhl_sd == NULL) { |
| 987 | dev_err(dev, "missing subdev for MHL\n"); |
| 988 | ret = -ENODEV; |
| 989 | goto fail_vdev; |
| 990 | } |
| 991 | } |
| 992 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 993 | clk_enable(hdmi_dev->res.hdmi); |
| 994 | |
| 995 | pm_runtime_enable(dev); |
| 996 | |
| 997 | sd = &hdmi_dev->sd; |
| 998 | v4l2_subdev_init(sd, &hdmi_sd_ops); |
| 999 | sd->owner = THIS_MODULE; |
| 1000 | |
Sachin Kamat | d322bb9 | 2012-11-26 01:49:05 -0300 | [diff] [blame] | 1001 | strlcpy(sd->name, "s5p-hdmi", sizeof(sd->name)); |
Hans Verkuil | 9b30af9 | 2013-02-15 14:59:48 -0300 | [diff] [blame] | 1002 | hdmi_dev->cur_timings = |
| 1003 | hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].dv_timings; |
| 1004 | /* FIXME: missing fail timings is not supported */ |
| 1005 | hdmi_dev->cur_conf = |
| 1006 | hdmi_timings[HDMI_DEFAULT_TIMINGS_IDX].hdmi_timings; |
Tomasz Stanislawski | 2fd07a4 | 2012-03-09 08:05:24 -0300 | [diff] [blame] | 1007 | hdmi_dev->cur_conf_dirty = 1; |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1008 | |
| 1009 | /* storing subdev for call that have only access to struct device */ |
| 1010 | dev_set_drvdata(dev, sd); |
| 1011 | |
Masanari Iida | 41292b16 | 2012-01-29 08:50:53 -0300 | [diff] [blame] | 1012 | dev_info(dev, "probe successful\n"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1013 | |
| 1014 | return 0; |
| 1015 | |
| 1016 | fail_vdev: |
| 1017 | v4l2_device_unregister(&hdmi_dev->v4l2_dev); |
| 1018 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1019 | fail_init: |
| 1020 | hdmi_resources_cleanup(hdmi_dev); |
| 1021 | |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1022 | fail: |
| 1023 | dev_err(dev, "probe failed\n"); |
| 1024 | return ret; |
| 1025 | } |
| 1026 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 1027 | static int hdmi_remove(struct platform_device *pdev) |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1028 | { |
| 1029 | struct device *dev = &pdev->dev; |
| 1030 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| 1031 | struct hdmi_device *hdmi_dev = sd_to_hdmi_dev(sd); |
| 1032 | |
| 1033 | pm_runtime_disable(dev); |
| 1034 | clk_disable(hdmi_dev->res.hdmi); |
| 1035 | v4l2_device_unregister(&hdmi_dev->v4l2_dev); |
| 1036 | disable_irq(hdmi_dev->irq); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1037 | hdmi_resources_cleanup(hdmi_dev); |
Masanari Iida | 41292b16 | 2012-01-29 08:50:53 -0300 | [diff] [blame] | 1038 | dev_info(dev, "remove successful\n"); |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1039 | |
| 1040 | return 0; |
| 1041 | } |
| 1042 | |
| 1043 | static struct platform_driver hdmi_driver __refdata = { |
| 1044 | .probe = hdmi_probe, |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 1045 | .remove = hdmi_remove, |
Tomasz Stanislawski | a52074e | 2011-03-02 13:16:37 -0300 | [diff] [blame] | 1046 | .id_table = hdmi_driver_types, |
| 1047 | .driver = { |
| 1048 | .name = "s5p-hdmi", |
| 1049 | .owner = THIS_MODULE, |
| 1050 | .pm = &hdmi_pm_ops, |
| 1051 | } |
| 1052 | }; |
| 1053 | |
Axel Lin | 1d6629b | 2012-01-10 03:21:49 -0300 | [diff] [blame] | 1054 | module_platform_driver(hdmi_driver); |