| /* |
| * HDMI driver for OMAP5 |
| * |
| * Copyright (C) 2014 Texas Instruments Incorporated |
| * |
| * Authors: |
| * Yong Zhi |
| * Mythri pk |
| * Archit Taneja <archit@ti.com> |
| * Tomi Valkeinen <tomi.valkeinen@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #define DSS_SUBSYS_NAME "HDMI" |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/err.h> |
| #include <linux/io.h> |
| #include <linux/interrupt.h> |
| #include <linux/mutex.h> |
| #include <linux/delay.h> |
| #include <linux/string.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/clk.h> |
| #include <linux/gpio.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/component.h> |
| #include <video/omapdss.h> |
| #include <sound/omap-hdmi-audio.h> |
| |
| #include "hdmi5_core.h" |
| #include "dss.h" |
| #include "dss_features.h" |
| |
| static struct omap_hdmi hdmi; |
| |
| static int hdmi_runtime_get(void) |
| { |
| int r; |
| |
| DSSDBG("hdmi_runtime_get\n"); |
| |
| r = pm_runtime_get_sync(&hdmi.pdev->dev); |
| WARN_ON(r < 0); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static void hdmi_runtime_put(void) |
| { |
| int r; |
| |
| DSSDBG("hdmi_runtime_put\n"); |
| |
| r = pm_runtime_put_sync(&hdmi.pdev->dev); |
| WARN_ON(r < 0 && r != -ENOSYS); |
| } |
| |
| static irqreturn_t hdmi_irq_handler(int irq, void *data) |
| { |
| struct hdmi_wp_data *wp = data; |
| u32 irqstatus; |
| |
| irqstatus = hdmi_wp_get_irqstatus(wp); |
| hdmi_wp_set_irqstatus(wp, irqstatus); |
| |
| if ((irqstatus & HDMI_IRQ_LINK_CONNECT) && |
| irqstatus & HDMI_IRQ_LINK_DISCONNECT) { |
| u32 v; |
| /* |
| * If we get both connect and disconnect interrupts at the same |
| * time, turn off the PHY, clear interrupts, and restart, which |
| * raises connect interrupt if a cable is connected, or nothing |
| * if cable is not connected. |
| */ |
| |
| hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF); |
| |
| /* |
| * We always get bogus CONNECT & DISCONNECT interrupts when |
| * setting the PHY to LDOON. To ignore those, we force the RXDET |
| * line to 0 until the PHY power state has been changed. |
| */ |
| v = hdmi_read_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL); |
| v = FLD_MOD(v, 1, 15, 15); /* FORCE_RXDET_HIGH */ |
| v = FLD_MOD(v, 0, 14, 7); /* RXDET_LINE */ |
| hdmi_write_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v); |
| |
| hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT | |
| HDMI_IRQ_LINK_DISCONNECT); |
| |
| hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON); |
| |
| REG_FLD_MOD(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15); |
| |
| } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) { |
| hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON); |
| } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) { |
| hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON); |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| static int hdmi_init_regulator(void) |
| { |
| int r; |
| struct regulator *reg; |
| |
| if (hdmi.vdda_reg != NULL) |
| return 0; |
| |
| reg = devm_regulator_get(&hdmi.pdev->dev, "vdda"); |
| if (IS_ERR(reg)) { |
| DSSERR("can't get VDDA regulator\n"); |
| return PTR_ERR(reg); |
| } |
| |
| r = regulator_set_voltage(reg, 1800000, 1800000); |
| if (r) { |
| devm_regulator_put(reg); |
| DSSWARN("can't set the regulator voltage\n"); |
| return r; |
| } |
| |
| hdmi.vdda_reg = reg; |
| |
| return 0; |
| } |
| |
| static int hdmi_power_on_core(struct omap_dss_device *dssdev) |
| { |
| int r; |
| |
| r = regulator_enable(hdmi.vdda_reg); |
| if (r) |
| return r; |
| |
| r = hdmi_runtime_get(); |
| if (r) |
| goto err_runtime_get; |
| |
| /* Make selection of HDMI in DSS */ |
| dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK); |
| |
| hdmi.core_enabled = true; |
| |
| return 0; |
| |
| err_runtime_get: |
| regulator_disable(hdmi.vdda_reg); |
| |
| return r; |
| } |
| |
| static void hdmi_power_off_core(struct omap_dss_device *dssdev) |
| { |
| hdmi.core_enabled = false; |
| |
| hdmi_runtime_put(); |
| regulator_disable(hdmi.vdda_reg); |
| } |
| |
| static int hdmi_power_on_full(struct omap_dss_device *dssdev) |
| { |
| int r; |
| struct omap_video_timings *p; |
| struct omap_overlay_manager *mgr = hdmi.output.manager; |
| struct dss_pll_clock_info hdmi_cinfo = { 0 }; |
| |
| r = hdmi_power_on_core(dssdev); |
| if (r) |
| return r; |
| |
| p = &hdmi.cfg.timings; |
| |
| DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res); |
| |
| hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo); |
| |
| /* disable and clear irqs */ |
| hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff); |
| hdmi_wp_set_irqstatus(&hdmi.wp, |
| hdmi_wp_get_irqstatus(&hdmi.wp)); |
| |
| r = dss_pll_enable(&hdmi.pll.pll); |
| if (r) { |
| DSSERR("Failed to enable PLL\n"); |
| goto err_pll_enable; |
| } |
| |
| r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo); |
| if (r) { |
| DSSERR("Failed to configure PLL\n"); |
| goto err_pll_cfg; |
| } |
| |
| r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco, |
| hdmi_cinfo.clkout[0]); |
| if (r) { |
| DSSDBG("Failed to start PHY\n"); |
| goto err_phy_cfg; |
| } |
| |
| r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON); |
| if (r) |
| goto err_phy_pwr; |
| |
| hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg); |
| |
| /* bypass TV gamma table */ |
| dispc_enable_gamma_table(0); |
| |
| /* tv size */ |
| dss_mgr_set_timings(mgr, p); |
| |
| r = hdmi_wp_video_start(&hdmi.wp); |
| if (r) |
| goto err_vid_enable; |
| |
| r = dss_mgr_enable(mgr); |
| if (r) |
| goto err_mgr_enable; |
| |
| hdmi_wp_set_irqenable(&hdmi.wp, |
| HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT); |
| |
| return 0; |
| |
| err_mgr_enable: |
| hdmi_wp_video_stop(&hdmi.wp); |
| err_vid_enable: |
| hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF); |
| err_phy_pwr: |
| err_phy_cfg: |
| err_pll_cfg: |
| dss_pll_disable(&hdmi.pll.pll); |
| err_pll_enable: |
| hdmi_power_off_core(dssdev); |
| return -EIO; |
| } |
| |
| static void hdmi_power_off_full(struct omap_dss_device *dssdev) |
| { |
| struct omap_overlay_manager *mgr = hdmi.output.manager; |
| |
| hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff); |
| |
| dss_mgr_disable(mgr); |
| |
| hdmi_wp_video_stop(&hdmi.wp); |
| |
| hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF); |
| |
| dss_pll_disable(&hdmi.pll.pll); |
| |
| hdmi_power_off_core(dssdev); |
| } |
| |
| static int hdmi_display_check_timing(struct omap_dss_device *dssdev, |
| struct omap_video_timings *timings) |
| { |
| struct omap_dss_device *out = &hdmi.output; |
| |
| /* TODO: proper interlace support */ |
| if (timings->interlace) |
| return -EINVAL; |
| |
| if (!dispc_mgr_timings_ok(out->dispc_channel, timings)) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static void hdmi_display_set_timing(struct omap_dss_device *dssdev, |
| struct omap_video_timings *timings) |
| { |
| mutex_lock(&hdmi.lock); |
| |
| hdmi.cfg.timings = *timings; |
| |
| dispc_set_tv_pclk(timings->pixelclock); |
| |
| mutex_unlock(&hdmi.lock); |
| } |
| |
| static void hdmi_display_get_timings(struct omap_dss_device *dssdev, |
| struct omap_video_timings *timings) |
| { |
| *timings = hdmi.cfg.timings; |
| } |
| |
| static void hdmi_dump_regs(struct seq_file *s) |
| { |
| mutex_lock(&hdmi.lock); |
| |
| if (hdmi_runtime_get()) { |
| mutex_unlock(&hdmi.lock); |
| return; |
| } |
| |
| hdmi_wp_dump(&hdmi.wp, s); |
| hdmi_pll_dump(&hdmi.pll, s); |
| hdmi_phy_dump(&hdmi.phy, s); |
| hdmi5_core_dump(&hdmi.core, s); |
| |
| hdmi_runtime_put(); |
| mutex_unlock(&hdmi.lock); |
| } |
| |
| static int read_edid(u8 *buf, int len) |
| { |
| int r; |
| int idlemode; |
| |
| mutex_lock(&hdmi.lock); |
| |
| r = hdmi_runtime_get(); |
| BUG_ON(r); |
| |
| idlemode = REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2); |
| /* No-idle mode */ |
| REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); |
| |
| r = hdmi5_read_edid(&hdmi.core, buf, len); |
| |
| REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2); |
| |
| hdmi_runtime_put(); |
| mutex_unlock(&hdmi.lock); |
| |
| return r; |
| } |
| |
| static void hdmi_start_audio_stream(struct omap_hdmi *hd) |
| { |
| REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); |
| hdmi_wp_audio_enable(&hd->wp, true); |
| hdmi_wp_audio_core_req_enable(&hd->wp, true); |
| } |
| |
| static void hdmi_stop_audio_stream(struct omap_hdmi *hd) |
| { |
| hdmi_wp_audio_core_req_enable(&hd->wp, false); |
| hdmi_wp_audio_enable(&hd->wp, false); |
| REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2); |
| } |
| |
| static int hdmi_display_enable(struct omap_dss_device *dssdev) |
| { |
| struct omap_dss_device *out = &hdmi.output; |
| unsigned long flags; |
| int r = 0; |
| |
| DSSDBG("ENTER hdmi_display_enable\n"); |
| |
| mutex_lock(&hdmi.lock); |
| |
| if (out->manager == NULL) { |
| DSSERR("failed to enable display: no output/manager\n"); |
| r = -ENODEV; |
| goto err0; |
| } |
| |
| r = hdmi_power_on_full(dssdev); |
| if (r) { |
| DSSERR("failed to power on device\n"); |
| goto err0; |
| } |
| |
| if (hdmi.audio_configured) { |
| r = hdmi5_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config, |
| hdmi.cfg.timings.pixelclock); |
| if (r) { |
| DSSERR("Error restoring audio configuration: %d", r); |
| hdmi.audio_abort_cb(&hdmi.pdev->dev); |
| hdmi.audio_configured = false; |
| } |
| } |
| |
| spin_lock_irqsave(&hdmi.audio_playing_lock, flags); |
| if (hdmi.audio_configured && hdmi.audio_playing) |
| hdmi_start_audio_stream(&hdmi); |
| hdmi.display_enabled = true; |
| spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags); |
| |
| mutex_unlock(&hdmi.lock); |
| return 0; |
| |
| err0: |
| mutex_unlock(&hdmi.lock); |
| return r; |
| } |
| |
| static void hdmi_display_disable(struct omap_dss_device *dssdev) |
| { |
| unsigned long flags; |
| |
| DSSDBG("Enter hdmi_display_disable\n"); |
| |
| mutex_lock(&hdmi.lock); |
| |
| spin_lock_irqsave(&hdmi.audio_playing_lock, flags); |
| hdmi_stop_audio_stream(&hdmi); |
| hdmi.display_enabled = false; |
| spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags); |
| |
| hdmi_power_off_full(dssdev); |
| |
| mutex_unlock(&hdmi.lock); |
| } |
| |
| static int hdmi_core_enable(struct omap_dss_device *dssdev) |
| { |
| int r = 0; |
| |
| DSSDBG("ENTER omapdss_hdmi_core_enable\n"); |
| |
| mutex_lock(&hdmi.lock); |
| |
| r = hdmi_power_on_core(dssdev); |
| if (r) { |
| DSSERR("failed to power on device\n"); |
| goto err0; |
| } |
| |
| mutex_unlock(&hdmi.lock); |
| return 0; |
| |
| err0: |
| mutex_unlock(&hdmi.lock); |
| return r; |
| } |
| |
| static void hdmi_core_disable(struct omap_dss_device *dssdev) |
| { |
| DSSDBG("Enter omapdss_hdmi_core_disable\n"); |
| |
| mutex_lock(&hdmi.lock); |
| |
| hdmi_power_off_core(dssdev); |
| |
| mutex_unlock(&hdmi.lock); |
| } |
| |
| static int hdmi_connect(struct omap_dss_device *dssdev, |
| struct omap_dss_device *dst) |
| { |
| struct omap_overlay_manager *mgr; |
| int r; |
| |
| r = hdmi_init_regulator(); |
| if (r) |
| return r; |
| |
| mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel); |
| if (!mgr) |
| return -ENODEV; |
| |
| r = dss_mgr_connect(mgr, dssdev); |
| if (r) |
| return r; |
| |
| r = omapdss_output_set_device(dssdev, dst); |
| if (r) { |
| DSSERR("failed to connect output to new device: %s\n", |
| dst->name); |
| dss_mgr_disconnect(mgr, dssdev); |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static void hdmi_disconnect(struct omap_dss_device *dssdev, |
| struct omap_dss_device *dst) |
| { |
| WARN_ON(dst != dssdev->dst); |
| |
| if (dst != dssdev->dst) |
| return; |
| |
| omapdss_output_unset_device(dssdev); |
| |
| if (dssdev->manager) |
| dss_mgr_disconnect(dssdev->manager, dssdev); |
| } |
| |
| static int hdmi_read_edid(struct omap_dss_device *dssdev, |
| u8 *edid, int len) |
| { |
| bool need_enable; |
| int r; |
| |
| need_enable = hdmi.core_enabled == false; |
| |
| if (need_enable) { |
| r = hdmi_core_enable(dssdev); |
| if (r) |
| return r; |
| } |
| |
| r = read_edid(edid, len); |
| |
| if (need_enable) |
| hdmi_core_disable(dssdev); |
| |
| return r; |
| } |
| |
| static int hdmi_set_infoframe(struct omap_dss_device *dssdev, |
| const struct hdmi_avi_infoframe *avi) |
| { |
| hdmi.cfg.infoframe = *avi; |
| return 0; |
| } |
| |
| static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev, |
| bool hdmi_mode) |
| { |
| hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI; |
| return 0; |
| } |
| |
| static const struct omapdss_hdmi_ops hdmi_ops = { |
| .connect = hdmi_connect, |
| .disconnect = hdmi_disconnect, |
| |
| .enable = hdmi_display_enable, |
| .disable = hdmi_display_disable, |
| |
| .check_timings = hdmi_display_check_timing, |
| .set_timings = hdmi_display_set_timing, |
| .get_timings = hdmi_display_get_timings, |
| |
| .read_edid = hdmi_read_edid, |
| .set_infoframe = hdmi_set_infoframe, |
| .set_hdmi_mode = hdmi_set_hdmi_mode, |
| }; |
| |
| static void hdmi_init_output(struct platform_device *pdev) |
| { |
| struct omap_dss_device *out = &hdmi.output; |
| |
| out->dev = &pdev->dev; |
| out->id = OMAP_DSS_OUTPUT_HDMI; |
| out->output_type = OMAP_DISPLAY_TYPE_HDMI; |
| out->name = "hdmi.0"; |
| out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; |
| out->ops.hdmi = &hdmi_ops; |
| out->owner = THIS_MODULE; |
| |
| omapdss_register_output(out); |
| } |
| |
| static void hdmi_uninit_output(struct platform_device *pdev) |
| { |
| struct omap_dss_device *out = &hdmi.output; |
| |
| omapdss_unregister_output(out); |
| } |
| |
| static int hdmi_probe_of(struct platform_device *pdev) |
| { |
| struct device_node *node = pdev->dev.of_node; |
| struct device_node *ep; |
| int r; |
| |
| ep = omapdss_of_get_first_endpoint(node); |
| if (!ep) |
| return 0; |
| |
| r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy); |
| if (r) |
| goto err; |
| |
| of_node_put(ep); |
| return 0; |
| |
| err: |
| of_node_put(ep); |
| return r; |
| } |
| |
| /* Audio callbacks */ |
| static int hdmi_audio_startup(struct device *dev, |
| void (*abort_cb)(struct device *dev)) |
| { |
| struct omap_hdmi *hd = dev_get_drvdata(dev); |
| int ret = 0; |
| |
| mutex_lock(&hd->lock); |
| |
| if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) { |
| ret = -EPERM; |
| goto out; |
| } |
| |
| hd->audio_abort_cb = abort_cb; |
| |
| out: |
| mutex_unlock(&hd->lock); |
| |
| return ret; |
| } |
| |
| static int hdmi_audio_shutdown(struct device *dev) |
| { |
| struct omap_hdmi *hd = dev_get_drvdata(dev); |
| |
| mutex_lock(&hd->lock); |
| hd->audio_abort_cb = NULL; |
| hd->audio_configured = false; |
| hd->audio_playing = false; |
| mutex_unlock(&hd->lock); |
| |
| return 0; |
| } |
| |
| static int hdmi_audio_start(struct device *dev) |
| { |
| struct omap_hdmi *hd = dev_get_drvdata(dev); |
| unsigned long flags; |
| |
| WARN_ON(!hdmi_mode_has_audio(&hd->cfg)); |
| |
| spin_lock_irqsave(&hd->audio_playing_lock, flags); |
| |
| if (hd->display_enabled) |
| hdmi_start_audio_stream(hd); |
| hd->audio_playing = true; |
| |
| spin_unlock_irqrestore(&hd->audio_playing_lock, flags); |
| return 0; |
| } |
| |
| static void hdmi_audio_stop(struct device *dev) |
| { |
| struct omap_hdmi *hd = dev_get_drvdata(dev); |
| unsigned long flags; |
| |
| WARN_ON(!hdmi_mode_has_audio(&hd->cfg)); |
| |
| spin_lock_irqsave(&hd->audio_playing_lock, flags); |
| |
| if (hd->display_enabled) |
| hdmi_stop_audio_stream(hd); |
| hd->audio_playing = false; |
| |
| spin_unlock_irqrestore(&hd->audio_playing_lock, flags); |
| } |
| |
| static int hdmi_audio_config(struct device *dev, |
| struct omap_dss_audio *dss_audio) |
| { |
| struct omap_hdmi *hd = dev_get_drvdata(dev); |
| int ret; |
| |
| mutex_lock(&hd->lock); |
| |
| if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) { |
| ret = -EPERM; |
| goto out; |
| } |
| |
| ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio, |
| hd->cfg.timings.pixelclock); |
| |
| if (!ret) { |
| hd->audio_configured = true; |
| hd->audio_config = *dss_audio; |
| } |
| out: |
| mutex_unlock(&hd->lock); |
| |
| return ret; |
| } |
| |
| static const struct omap_hdmi_audio_ops hdmi_audio_ops = { |
| .audio_startup = hdmi_audio_startup, |
| .audio_shutdown = hdmi_audio_shutdown, |
| .audio_start = hdmi_audio_start, |
| .audio_stop = hdmi_audio_stop, |
| .audio_config = hdmi_audio_config, |
| }; |
| |
| static int hdmi_audio_register(struct device *dev) |
| { |
| struct omap_hdmi_audio_pdata pdata = { |
| .dev = dev, |
| .dss_version = omapdss_get_version(), |
| .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp), |
| .ops = &hdmi_audio_ops, |
| }; |
| |
| hdmi.audio_pdev = platform_device_register_data( |
| dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO, |
| &pdata, sizeof(pdata)); |
| |
| if (IS_ERR(hdmi.audio_pdev)) |
| return PTR_ERR(hdmi.audio_pdev); |
| |
| hdmi_runtime_get(); |
| hdmi.wp_idlemode = |
| REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2); |
| hdmi_runtime_put(); |
| |
| return 0; |
| } |
| |
| /* HDMI HW IP initialisation */ |
| static int hdmi5_bind(struct device *dev, struct device *master, void *data) |
| { |
| struct platform_device *pdev = to_platform_device(dev); |
| int r; |
| int irq; |
| |
| hdmi.pdev = pdev; |
| dev_set_drvdata(&pdev->dev, &hdmi); |
| |
| mutex_init(&hdmi.lock); |
| spin_lock_init(&hdmi.audio_playing_lock); |
| |
| if (pdev->dev.of_node) { |
| r = hdmi_probe_of(pdev); |
| if (r) |
| return r; |
| } |
| |
| r = hdmi_wp_init(pdev, &hdmi.wp); |
| if (r) |
| return r; |
| |
| r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp); |
| if (r) |
| return r; |
| |
| r = hdmi_phy_init(pdev, &hdmi.phy); |
| if (r) |
| goto err; |
| |
| r = hdmi5_core_init(pdev, &hdmi.core); |
| if (r) |
| goto err; |
| |
| irq = platform_get_irq(pdev, 0); |
| if (irq < 0) { |
| DSSERR("platform_get_irq failed\n"); |
| r = -ENODEV; |
| goto err; |
| } |
| |
| r = devm_request_threaded_irq(&pdev->dev, irq, |
| NULL, hdmi_irq_handler, |
| IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp); |
| if (r) { |
| DSSERR("HDMI IRQ request failed\n"); |
| goto err; |
| } |
| |
| pm_runtime_enable(&pdev->dev); |
| |
| hdmi_init_output(pdev); |
| |
| r = hdmi_audio_register(&pdev->dev); |
| if (r) { |
| DSSERR("Registering HDMI audio failed %d\n", r); |
| hdmi_uninit_output(pdev); |
| pm_runtime_disable(&pdev->dev); |
| return r; |
| } |
| |
| dss_debugfs_create_file("hdmi", hdmi_dump_regs); |
| |
| return 0; |
| err: |
| hdmi_pll_uninit(&hdmi.pll); |
| return r; |
| } |
| |
| static void hdmi5_unbind(struct device *dev, struct device *master, void *data) |
| { |
| struct platform_device *pdev = to_platform_device(dev); |
| |
| if (hdmi.audio_pdev) |
| platform_device_unregister(hdmi.audio_pdev); |
| |
| hdmi_uninit_output(pdev); |
| |
| hdmi_pll_uninit(&hdmi.pll); |
| |
| pm_runtime_disable(&pdev->dev); |
| } |
| |
| static const struct component_ops hdmi5_component_ops = { |
| .bind = hdmi5_bind, |
| .unbind = hdmi5_unbind, |
| }; |
| |
| static int hdmi5_probe(struct platform_device *pdev) |
| { |
| return component_add(&pdev->dev, &hdmi5_component_ops); |
| } |
| |
| static int hdmi5_remove(struct platform_device *pdev) |
| { |
| component_del(&pdev->dev, &hdmi5_component_ops); |
| return 0; |
| } |
| |
| static int hdmi_runtime_suspend(struct device *dev) |
| { |
| dispc_runtime_put(); |
| |
| return 0; |
| } |
| |
| static int hdmi_runtime_resume(struct device *dev) |
| { |
| int r; |
| |
| r = dispc_runtime_get(); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static const struct dev_pm_ops hdmi_pm_ops = { |
| .runtime_suspend = hdmi_runtime_suspend, |
| .runtime_resume = hdmi_runtime_resume, |
| }; |
| |
| static const struct of_device_id hdmi_of_match[] = { |
| { .compatible = "ti,omap5-hdmi", }, |
| { .compatible = "ti,dra7-hdmi", }, |
| {}, |
| }; |
| |
| static struct platform_driver omapdss_hdmihw_driver = { |
| .probe = hdmi5_probe, |
| .remove = hdmi5_remove, |
| .driver = { |
| .name = "omapdss_hdmi5", |
| .pm = &hdmi_pm_ops, |
| .of_match_table = hdmi_of_match, |
| .suppress_bind_attrs = true, |
| }, |
| }; |
| |
| int __init hdmi5_init_platform_driver(void) |
| { |
| return platform_driver_register(&omapdss_hdmihw_driver); |
| } |
| |
| void hdmi5_uninit_platform_driver(void) |
| { |
| platform_driver_unregister(&omapdss_hdmihw_driver); |
| } |