| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Benjamin Gaignard | 2504 | 69.75% | 7 | 33.33% |
| Vincent Abriou | 920 | 25.63% | 6 | 28.57% |
| Bich Hemon | 145 | 4.04% | 1 | 4.76% |
| Ville Syrjälä | 9 | 0.25% | 2 | 9.52% |
| SF Markus Elfring | 5 | 0.14% | 2 | 9.52% |
| Arnd Bergmann | 3 | 0.08% | 1 | 4.76% |
| Wei Yongjun | 3 | 0.08% | 1 | 4.76% |
| Kiran Padwal | 1 | 0.03% | 1 | 4.76% |
| Total | 3590 | 21 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) STMicroelectronics SA 2014 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> * Vincent Abriou <vincent.abriou@st.com> * for STMicroelectronics. */ #include <linux/clk.h> #include <linux/component.h> #include <linux/module.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/reset.h> #include <linux/seq_file.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include "sti_crtc.h" #include "sti_drv.h" #include "sti_vtg.h" /* glue registers */ #define TVO_CSC_MAIN_M0 0x000 #define TVO_CSC_MAIN_M1 0x004 #define TVO_CSC_MAIN_M2 0x008 #define TVO_CSC_MAIN_M3 0x00c #define TVO_CSC_MAIN_M4 0x010 #define TVO_CSC_MAIN_M5 0x014 #define TVO_CSC_MAIN_M6 0x018 #define TVO_CSC_MAIN_M7 0x01c #define TVO_MAIN_IN_VID_FORMAT 0x030 #define TVO_CSC_AUX_M0 0x100 #define TVO_CSC_AUX_M1 0x104 #define TVO_CSC_AUX_M2 0x108 #define TVO_CSC_AUX_M3 0x10c #define TVO_CSC_AUX_M4 0x110 #define TVO_CSC_AUX_M5 0x114 #define TVO_CSC_AUX_M6 0x118 #define TVO_CSC_AUX_M7 0x11c #define TVO_AUX_IN_VID_FORMAT 0x130 #define TVO_VIP_HDF 0x400 #define TVO_HD_SYNC_SEL 0x418 #define TVO_HD_DAC_CFG_OFF 0x420 #define TVO_VIP_HDMI 0x500 #define TVO_HDMI_FORCE_COLOR_0 0x504 #define TVO_HDMI_FORCE_COLOR_1 0x508 #define TVO_HDMI_CLIP_VALUE_B_CB 0x50c #define TVO_HDMI_CLIP_VALUE_Y_G 0x510 #define TVO_HDMI_CLIP_VALUE_R_CR 0x514 #define TVO_HDMI_SYNC_SEL 0x518 #define TVO_HDMI_DFV_OBS 0x540 #define TVO_VIP_DVO 0x600 #define TVO_DVO_SYNC_SEL 0x618 #define TVO_DVO_CONFIG 0x620 #define TVO_IN_FMT_SIGNED BIT(0) #define TVO_SYNC_EXT BIT(4) #define TVO_VIP_REORDER_R_SHIFT 24 #define TVO_VIP_REORDER_G_SHIFT 20 #define TVO_VIP_REORDER_B_SHIFT 16 #define TVO_VIP_REORDER_MASK 0x3 #define TVO_VIP_REORDER_Y_G_SEL 0 #define TVO_VIP_REORDER_CB_B_SEL 1 #define TVO_VIP_REORDER_CR_R_SEL 2 #define TVO_VIP_CLIP_SHIFT 8 #define TVO_VIP_CLIP_MASK 0x7 #define TVO_VIP_CLIP_DISABLED 0 #define TVO_VIP_CLIP_EAV_SAV 1 #define TVO_VIP_CLIP_LIMITED_RANGE_RGB_Y 2 #define TVO_VIP_CLIP_LIMITED_RANGE_CB_CR 3 #define TVO_VIP_CLIP_PROG_RANGE 4 #define TVO_VIP_RND_SHIFT 4 #define TVO_VIP_RND_MASK 0x3 #define TVO_VIP_RND_8BIT_ROUNDED 0 #define TVO_VIP_RND_10BIT_ROUNDED 1 #define TVO_VIP_RND_12BIT_ROUNDED 2 #define TVO_VIP_SEL_INPUT_MASK 0xf #define TVO_VIP_SEL_INPUT_MAIN 0x0 #define TVO_VIP_SEL_INPUT_AUX 0x8 #define TVO_VIP_SEL_INPUT_FORCE_COLOR 0xf #define TVO_VIP_SEL_INPUT_BYPASS_MASK 0x1 #define TVO_VIP_SEL_INPUT_BYPASSED 1 #define TVO_SYNC_MAIN_VTG_SET_REF 0x00 #define TVO_SYNC_AUX_VTG_SET_REF 0x10 #define TVO_SYNC_HD_DCS_SHIFT 8 #define TVO_SYNC_DVO_PAD_HSYNC_SHIFT 8 #define TVO_SYNC_DVO_PAD_VSYNC_SHIFT 16 #define ENCODER_CRTC_MASK (BIT(0) | BIT(1)) #define TVO_MIN_HD_HEIGHT 720 /* enum listing the supported output data format */ enum sti_tvout_video_out_type { STI_TVOUT_VIDEO_OUT_RGB, STI_TVOUT_VIDEO_OUT_YUV, }; struct sti_tvout { struct device *dev; struct drm_device *drm_dev; void __iomem *regs; struct reset_control *reset; struct drm_encoder *hdmi; struct drm_encoder *hda; struct drm_encoder *dvo; bool debugfs_registered; }; struct sti_tvout_encoder { struct drm_encoder encoder; struct sti_tvout *tvout; }; #define to_sti_tvout_encoder(x) \ container_of(x, struct sti_tvout_encoder, encoder) #define to_sti_tvout(x) to_sti_tvout_encoder(x)->tvout /* preformatter conversion matrix */ static const u32 rgb_to_ycbcr_601[8] = { 0xF927082E, 0x04C9FEAB, 0x01D30964, 0xFA95FD3D, 0x0000082E, 0x00002000, 0x00002000, 0x00000000 }; /* 709 RGB to YCbCr */ static const u32 rgb_to_ycbcr_709[8] = { 0xF891082F, 0x0367FF40, 0x01280B71, 0xF9B1FE20, 0x0000082F, 0x00002000, 0x00002000, 0x00000000 }; static u32 tvout_read(struct sti_tvout *tvout, int offset) { return readl(tvout->regs + offset); } static void tvout_write(struct sti_tvout *tvout, u32 val, int offset) { writel(val, tvout->regs + offset); } /** * Set the clipping mode of a VIP * * @tvout: tvout structure * @reg: register to set * @cr_r: * @y_g: * @cb_b: */ static void tvout_vip_set_color_order(struct sti_tvout *tvout, int reg, u32 cr_r, u32 y_g, u32 cb_b) { u32 val = tvout_read(tvout, reg); val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT); val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT); val &= ~(TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT); val |= cr_r << TVO_VIP_REORDER_R_SHIFT; val |= y_g << TVO_VIP_REORDER_G_SHIFT; val |= cb_b << TVO_VIP_REORDER_B_SHIFT; tvout_write(tvout, val, reg); } /** * Set the clipping mode of a VIP * * @tvout: tvout structure * @reg: register to set * @range: clipping range */ static void tvout_vip_set_clip_mode(struct sti_tvout *tvout, int reg, u32 range) { u32 val = tvout_read(tvout, reg); val &= ~(TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT); val |= range << TVO_VIP_CLIP_SHIFT; tvout_write(tvout, val, reg); } /** * Set the rounded value of a VIP * * @tvout: tvout structure * @reg: register to set * @rnd: rounded val per component */ static void tvout_vip_set_rnd(struct sti_tvout *tvout, int reg, u32 rnd) { u32 val = tvout_read(tvout, reg); val &= ~(TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT); val |= rnd << TVO_VIP_RND_SHIFT; tvout_write(tvout, val, reg); } /** * Select the VIP input * * @tvout: tvout structure * @reg: register to set * @main_path: main or auxiliary path * @sel_input: selected_input (main/aux + conv) */ static void tvout_vip_set_sel_input(struct sti_tvout *tvout, int reg, bool main_path, enum sti_tvout_video_out_type video_out) { u32 sel_input; u32 val = tvout_read(tvout, reg); if (main_path) sel_input = TVO_VIP_SEL_INPUT_MAIN; else sel_input = TVO_VIP_SEL_INPUT_AUX; switch (video_out) { case STI_TVOUT_VIDEO_OUT_RGB: sel_input |= TVO_VIP_SEL_INPUT_BYPASSED; break; case STI_TVOUT_VIDEO_OUT_YUV: sel_input &= ~TVO_VIP_SEL_INPUT_BYPASSED; break; } /* on stih407 chip the sel_input bypass mode logic is inverted */ sel_input = sel_input ^ TVO_VIP_SEL_INPUT_BYPASS_MASK; val &= ~TVO_VIP_SEL_INPUT_MASK; val |= sel_input; tvout_write(tvout, val, reg); } /** * Select the input video signed or unsigned * * @tvout: tvout structure * @reg: register to set * @in_vid_signed: used video input format */ static void tvout_vip_set_in_vid_fmt(struct sti_tvout *tvout, int reg, u32 in_vid_fmt) { u32 val = tvout_read(tvout, reg); val &= ~TVO_IN_FMT_SIGNED; val |= in_vid_fmt; tvout_write(tvout, val, reg); } /** * Set preformatter matrix * * @tvout: tvout structure * @mode: display mode structure */ static void tvout_preformatter_set_matrix(struct sti_tvout *tvout, struct drm_display_mode *mode) { unsigned int i; const u32 *pf_matrix; if (mode->vdisplay >= TVO_MIN_HD_HEIGHT) pf_matrix = rgb_to_ycbcr_709; else pf_matrix = rgb_to_ycbcr_601; for (i = 0; i < 8; i++) { tvout_write(tvout, *(pf_matrix + i), TVO_CSC_MAIN_M0 + (i * 4)); tvout_write(tvout, *(pf_matrix + i), TVO_CSC_AUX_M0 + (i * 4)); } } /** * Start VIP block for DVO output * * @tvout: pointer on tvout structure * @main_path: true if main path has to be used in the vip configuration * else aux path is used. */ static void tvout_dvo_start(struct sti_tvout *tvout, bool main_path) { u32 tvo_in_vid_format; int val, tmp; dev_dbg(tvout->dev, "%s\n", __func__); if (main_path) { DRM_DEBUG_DRIVER("main vip for DVO\n"); /* Select the input sync for dvo */ tmp = TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_DVO; val = tmp << TVO_SYNC_DVO_PAD_VSYNC_SHIFT; val |= tmp << TVO_SYNC_DVO_PAD_HSYNC_SHIFT; val |= tmp; tvout_write(tvout, val, TVO_DVO_SYNC_SEL); tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; } else { DRM_DEBUG_DRIVER("aux vip for DVO\n"); /* Select the input sync for dvo */ tmp = TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_DVO; val = tmp << TVO_SYNC_DVO_PAD_VSYNC_SHIFT; val |= tmp << TVO_SYNC_DVO_PAD_HSYNC_SHIFT; val |= tmp; tvout_write(tvout, val, TVO_DVO_SYNC_SEL); tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; } /* Set color channel order */ tvout_vip_set_color_order(tvout, TVO_VIP_DVO, TVO_VIP_REORDER_CR_R_SEL, TVO_VIP_REORDER_Y_G_SEL, TVO_VIP_REORDER_CB_B_SEL); /* Set clipping mode */ tvout_vip_set_clip_mode(tvout, TVO_VIP_DVO, TVO_VIP_CLIP_DISABLED); /* Set round mode (rounded to 8-bit per component) */ tvout_vip_set_rnd(tvout, TVO_VIP_DVO, TVO_VIP_RND_8BIT_ROUNDED); /* Set input video format */ tvout_vip_set_in_vid_fmt(tvout, tvo_in_vid_format, TVO_IN_FMT_SIGNED); /* Input selection */ tvout_vip_set_sel_input(tvout, TVO_VIP_DVO, main_path, STI_TVOUT_VIDEO_OUT_RGB); } /** * Start VIP block for HDMI output * * @tvout: pointer on tvout structure * @main_path: true if main path has to be used in the vip configuration * else aux path is used. */ static void tvout_hdmi_start(struct sti_tvout *tvout, bool main_path) { u32 tvo_in_vid_format; dev_dbg(tvout->dev, "%s\n", __func__); if (main_path) { DRM_DEBUG_DRIVER("main vip for hdmi\n"); /* select the input sync for hdmi */ tvout_write(tvout, TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDMI, TVO_HDMI_SYNC_SEL); tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; } else { DRM_DEBUG_DRIVER("aux vip for hdmi\n"); /* select the input sync for hdmi */ tvout_write(tvout, TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDMI, TVO_HDMI_SYNC_SEL); tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; } /* set color channel order */ tvout_vip_set_color_order(tvout, TVO_VIP_HDMI, TVO_VIP_REORDER_CR_R_SEL, TVO_VIP_REORDER_Y_G_SEL, TVO_VIP_REORDER_CB_B_SEL); /* set clipping mode */ tvout_vip_set_clip_mode(tvout, TVO_VIP_HDMI, TVO_VIP_CLIP_DISABLED); /* set round mode (rounded to 8-bit per component) */ tvout_vip_set_rnd(tvout, TVO_VIP_HDMI, TVO_VIP_RND_8BIT_ROUNDED); /* set input video format */ tvout_vip_set_in_vid_fmt(tvout, tvo_in_vid_format, TVO_IN_FMT_SIGNED); /* input selection */ tvout_vip_set_sel_input(tvout, TVO_VIP_HDMI, main_path, STI_TVOUT_VIDEO_OUT_RGB); } /** * Start HDF VIP and HD DAC * * @tvout: pointer on tvout structure * @main_path: true if main path has to be used in the vip configuration * else aux path is used. */ static void tvout_hda_start(struct sti_tvout *tvout, bool main_path) { u32 tvo_in_vid_format; int val; dev_dbg(tvout->dev, "%s\n", __func__); if (main_path) { DRM_DEBUG_DRIVER("main vip for HDF\n"); /* Select the input sync for HD analog and HD DCS */ val = TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDDCS; val = val << TVO_SYNC_HD_DCS_SHIFT; val |= TVO_SYNC_MAIN_VTG_SET_REF | VTG_SYNC_ID_HDF; tvout_write(tvout, val, TVO_HD_SYNC_SEL); tvo_in_vid_format = TVO_MAIN_IN_VID_FORMAT; } else { DRM_DEBUG_DRIVER("aux vip for HDF\n"); /* Select the input sync for HD analog and HD DCS */ val = TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDDCS; val = val << TVO_SYNC_HD_DCS_SHIFT; val |= TVO_SYNC_AUX_VTG_SET_REF | VTG_SYNC_ID_HDF; tvout_write(tvout, val, TVO_HD_SYNC_SEL); tvo_in_vid_format = TVO_AUX_IN_VID_FORMAT; } /* set color channel order */ tvout_vip_set_color_order(tvout, TVO_VIP_HDF, TVO_VIP_REORDER_CR_R_SEL, TVO_VIP_REORDER_Y_G_SEL, TVO_VIP_REORDER_CB_B_SEL); /* set clipping mode */ tvout_vip_set_clip_mode(tvout, TVO_VIP_HDF, TVO_VIP_CLIP_DISABLED); /* set round mode (rounded to 10-bit per component) */ tvout_vip_set_rnd(tvout, TVO_VIP_HDF, TVO_VIP_RND_10BIT_ROUNDED); /* Set input video format */ tvout_vip_set_in_vid_fmt(tvout, tvo_in_vid_format, TVO_IN_FMT_SIGNED); /* Input selection */ tvout_vip_set_sel_input(tvout, TVO_VIP_HDF, main_path, STI_TVOUT_VIDEO_OUT_YUV); /* power up HD DAC */ tvout_write(tvout, 0, TVO_HD_DAC_CFG_OFF); } #define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \ readl(tvout->regs + reg)) static void tvout_dbg_vip(struct seq_file *s, int val) { int r, g, b, tmp, mask; char *const reorder[] = {"Y_G", "Cb_B", "Cr_R"}; char *const clipping[] = {"No", "EAV/SAV", "Limited range RGB/Y", "Limited range Cb/Cr", "decided by register"}; char *const round[] = {"8-bit", "10-bit", "12-bit"}; char *const input_sel[] = {"Main (color matrix enabled)", "Main (color matrix by-passed)", "", "", "", "", "", "", "Aux (color matrix enabled)", "Aux (color matrix by-passed)", "", "", "", "", "", "Force value"}; seq_putc(s, '\t'); mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT; r = (val & mask) >> TVO_VIP_REORDER_R_SHIFT; mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT; g = (val & mask) >> TVO_VIP_REORDER_G_SHIFT; mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT; b = (val & mask) >> TVO_VIP_REORDER_B_SHIFT; seq_printf(s, "%-24s %s->%s %s->%s %s->%s\n", "Reorder:", reorder[r], reorder[TVO_VIP_REORDER_CR_R_SEL], reorder[g], reorder[TVO_VIP_REORDER_Y_G_SEL], reorder[b], reorder[TVO_VIP_REORDER_CB_B_SEL]); seq_puts(s, "\t\t\t\t\t"); mask = TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT; tmp = (val & mask) >> TVO_VIP_CLIP_SHIFT; seq_printf(s, "%-24s %s\n", "Clipping:", clipping[tmp]); seq_puts(s, "\t\t\t\t\t"); mask = TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT; tmp = (val & mask) >> TVO_VIP_RND_SHIFT; seq_printf(s, "%-24s input data rounded to %s per component\n", "Round:", round[tmp]); seq_puts(s, "\t\t\t\t\t"); tmp = (val & TVO_VIP_SEL_INPUT_MASK); seq_printf(s, "%-24s %s", "Input selection:", input_sel[tmp]); } static void tvout_dbg_hd_dac_cfg(struct seq_file *s, int val) { seq_printf(s, "\t%-24s %s", "HD DAC:", val & 1 ? "disabled" : "enabled"); } static int tvout_dbg_show(struct seq_file *s, void *data) { struct drm_info_node *node = s->private; struct sti_tvout *tvout = (struct sti_tvout *)node->info_ent->data; struct drm_crtc *crtc; seq_printf(s, "TVOUT: (vaddr = 0x%p)", tvout->regs); seq_puts(s, "\n\n HDMI encoder: "); crtc = tvout->hdmi->crtc; if (crtc) { seq_printf(s, "connected to %s path", sti_crtc_is_main(crtc) ? "main" : "aux"); DBGFS_DUMP(TVO_HDMI_SYNC_SEL); DBGFS_DUMP(TVO_VIP_HDMI); tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_HDMI)); } else { seq_puts(s, "disabled"); } seq_puts(s, "\n\n DVO encoder: "); crtc = tvout->dvo->crtc; if (crtc) { seq_printf(s, "connected to %s path", sti_crtc_is_main(crtc) ? "main" : "aux"); DBGFS_DUMP(TVO_DVO_SYNC_SEL); DBGFS_DUMP(TVO_DVO_CONFIG); DBGFS_DUMP(TVO_VIP_DVO); tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_DVO)); } else { seq_puts(s, "disabled"); } seq_puts(s, "\n\n HDA encoder: "); crtc = tvout->hda->crtc; if (crtc) { seq_printf(s, "connected to %s path", sti_crtc_is_main(crtc) ? "main" : "aux"); DBGFS_DUMP(TVO_HD_SYNC_SEL); DBGFS_DUMP(TVO_HD_DAC_CFG_OFF); tvout_dbg_hd_dac_cfg(s, readl(tvout->regs + TVO_HD_DAC_CFG_OFF)); DBGFS_DUMP(TVO_VIP_HDF); tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_HDF)); } else { seq_puts(s, "disabled"); } seq_puts(s, "\n\n main path configuration"); DBGFS_DUMP(TVO_CSC_MAIN_M0); DBGFS_DUMP(TVO_CSC_MAIN_M1); DBGFS_DUMP(TVO_CSC_MAIN_M2); DBGFS_DUMP(TVO_CSC_MAIN_M3); DBGFS_DUMP(TVO_CSC_MAIN_M4); DBGFS_DUMP(TVO_CSC_MAIN_M5); DBGFS_DUMP(TVO_CSC_MAIN_M6); DBGFS_DUMP(TVO_CSC_MAIN_M7); DBGFS_DUMP(TVO_MAIN_IN_VID_FORMAT); seq_puts(s, "\n\n auxiliary path configuration"); DBGFS_DUMP(TVO_CSC_AUX_M0); DBGFS_DUMP(TVO_CSC_AUX_M2); DBGFS_DUMP(TVO_CSC_AUX_M3); DBGFS_DUMP(TVO_CSC_AUX_M4); DBGFS_DUMP(TVO_CSC_AUX_M5); DBGFS_DUMP(TVO_CSC_AUX_M6); DBGFS_DUMP(TVO_CSC_AUX_M7); DBGFS_DUMP(TVO_AUX_IN_VID_FORMAT); seq_putc(s, '\n'); return 0; } static struct drm_info_list tvout_debugfs_files[] = { { "tvout", tvout_dbg_show, 0, NULL }, }; static int tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(tvout_debugfs_files); i++) tvout_debugfs_files[i].data = tvout; return drm_debugfs_create_files(tvout_debugfs_files, ARRAY_SIZE(tvout_debugfs_files), minor->debugfs_root, minor); } static void sti_tvout_encoder_dpms(struct drm_encoder *encoder, int mode) { } static void sti_tvout_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { } static void sti_tvout_encoder_destroy(struct drm_encoder *encoder) { struct sti_tvout_encoder *sti_encoder = to_sti_tvout_encoder(encoder); drm_encoder_cleanup(encoder); kfree(sti_encoder); } static int sti_tvout_late_register(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); int ret; if (tvout->debugfs_registered) return 0; ret = tvout_debugfs_init(tvout, encoder->dev->primary); if (ret) return ret; tvout->debugfs_registered = true; return 0; } static void sti_tvout_early_unregister(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); if (!tvout->debugfs_registered) return; tvout->debugfs_registered = false; } static const struct drm_encoder_funcs sti_tvout_encoder_funcs = { .destroy = sti_tvout_encoder_destroy, .late_register = sti_tvout_late_register, .early_unregister = sti_tvout_early_unregister, }; static void sti_dvo_encoder_enable(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); tvout_dvo_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_dvo_encoder_disable(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); /* Reset VIP register */ tvout_write(tvout, 0x0, TVO_VIP_DVO); } static const struct drm_encoder_helper_funcs sti_dvo_encoder_helper_funcs = { .dpms = sti_tvout_encoder_dpms, .mode_set = sti_tvout_encoder_mode_set, .enable = sti_dvo_encoder_enable, .disable = sti_dvo_encoder_disable, }; static struct drm_encoder * sti_tvout_create_dvo_encoder(struct drm_device *dev, struct sti_tvout *tvout) { struct sti_tvout_encoder *encoder; struct drm_encoder *drm_encoder; encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); if (!encoder) return NULL; encoder->tvout = tvout; drm_encoder = (struct drm_encoder *)encoder; drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; drm_encoder->possible_clones = 1 << 0; drm_encoder_init(dev, drm_encoder, &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_LVDS, NULL); drm_encoder_helper_add(drm_encoder, &sti_dvo_encoder_helper_funcs); return drm_encoder; } static void sti_hda_encoder_enable(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); tvout_hda_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_hda_encoder_disable(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); /* reset VIP register */ tvout_write(tvout, 0x0, TVO_VIP_HDF); /* power down HD DAC */ tvout_write(tvout, 1, TVO_HD_DAC_CFG_OFF); } static const struct drm_encoder_helper_funcs sti_hda_encoder_helper_funcs = { .dpms = sti_tvout_encoder_dpms, .mode_set = sti_tvout_encoder_mode_set, .commit = sti_hda_encoder_enable, .disable = sti_hda_encoder_disable, }; static struct drm_encoder *sti_tvout_create_hda_encoder(struct drm_device *dev, struct sti_tvout *tvout) { struct sti_tvout_encoder *encoder; struct drm_encoder *drm_encoder; encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); if (!encoder) return NULL; encoder->tvout = tvout; drm_encoder = (struct drm_encoder *) encoder; drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; drm_encoder->possible_clones = 1 << 0; drm_encoder_init(dev, drm_encoder, &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_DAC, NULL); drm_encoder_helper_add(drm_encoder, &sti_hda_encoder_helper_funcs); return drm_encoder; } static void sti_hdmi_encoder_enable(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); tvout_preformatter_set_matrix(tvout, &encoder->crtc->mode); tvout_hdmi_start(tvout, sti_crtc_is_main(encoder->crtc)); } static void sti_hdmi_encoder_disable(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); /* reset VIP register */ tvout_write(tvout, 0x0, TVO_VIP_HDMI); } static const struct drm_encoder_helper_funcs sti_hdmi_encoder_helper_funcs = { .dpms = sti_tvout_encoder_dpms, .mode_set = sti_tvout_encoder_mode_set, .commit = sti_hdmi_encoder_enable, .disable = sti_hdmi_encoder_disable, }; static struct drm_encoder *sti_tvout_create_hdmi_encoder(struct drm_device *dev, struct sti_tvout *tvout) { struct sti_tvout_encoder *encoder; struct drm_encoder *drm_encoder; encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL); if (!encoder) return NULL; encoder->tvout = tvout; drm_encoder = (struct drm_encoder *) encoder; drm_encoder->possible_crtcs = ENCODER_CRTC_MASK; drm_encoder->possible_clones = 1 << 1; drm_encoder_init(dev, drm_encoder, &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); drm_encoder_helper_add(drm_encoder, &sti_hdmi_encoder_helper_funcs); return drm_encoder; } static void sti_tvout_create_encoders(struct drm_device *dev, struct sti_tvout *tvout) { tvout->hdmi = sti_tvout_create_hdmi_encoder(dev, tvout); tvout->hda = sti_tvout_create_hda_encoder(dev, tvout); tvout->dvo = sti_tvout_create_dvo_encoder(dev, tvout); } static void sti_tvout_destroy_encoders(struct sti_tvout *tvout) { if (tvout->hdmi) drm_encoder_cleanup(tvout->hdmi); tvout->hdmi = NULL; if (tvout->hda) drm_encoder_cleanup(tvout->hda); tvout->hda = NULL; if (tvout->dvo) drm_encoder_cleanup(tvout->dvo); tvout->dvo = NULL; } static int sti_tvout_bind(struct device *dev, struct device *master, void *data) { struct sti_tvout *tvout = dev_get_drvdata(dev); struct drm_device *drm_dev = data; tvout->drm_dev = drm_dev; sti_tvout_create_encoders(drm_dev, tvout); return 0; } static void sti_tvout_unbind(struct device *dev, struct device *master, void *data) { struct sti_tvout *tvout = dev_get_drvdata(dev); sti_tvout_destroy_encoders(tvout); } static const struct component_ops sti_tvout_ops = { .bind = sti_tvout_bind, .unbind = sti_tvout_unbind, }; static int sti_tvout_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct sti_tvout *tvout; struct resource *res; DRM_INFO("%s\n", __func__); if (!node) return -ENODEV; tvout = devm_kzalloc(dev, sizeof(*tvout), GFP_KERNEL); if (!tvout) return -ENOMEM; tvout->dev = dev; /* get memory resources */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tvout-reg"); if (!res) { DRM_ERROR("Invalid glue resource\n"); return -ENOMEM; } tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); if (!tvout->regs) return -ENOMEM; /* get reset resources */ tvout->reset = devm_reset_control_get(dev, "tvout"); /* take tvout out of reset */ if (!IS_ERR(tvout->reset)) reset_control_deassert(tvout->reset); platform_set_drvdata(pdev, tvout); return component_add(dev, &sti_tvout_ops); } static int sti_tvout_remove(struct platform_device *pdev) { component_del(&pdev->dev, &sti_tvout_ops); return 0; } static const struct of_device_id tvout_of_match[] = { { .compatible = "st,stih407-tvout", }, { /* end node */ } }; MODULE_DEVICE_TABLE(of, tvout_of_match); struct platform_driver sti_tvout_driver = { .driver = { .name = "sti-tvout", .owner = THIS_MODULE, .of_match_table = tvout_of_match, }, .probe = sti_tvout_probe, .remove = sti_tvout_remove, }; MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>"); MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver"); MODULE_LICENSE("GPL");
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