diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/venc.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/venc.c | 229 |
1 files changed, 101 insertions, 128 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index b5f52727f8b1..da43b865d973 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -267,63 +267,40 @@ enum venc_videomode { VENC_MODE_NTSC, }; -static const struct videomode omap_dss_pal_vm = { - .hactive = 720, - .vactive = 574, - .pixelclock = 13500000, - .hsync_len = 64, - .hfront_porch = 12, - .hback_porch = 68, - .vsync_len = 5, - .vfront_porch = 5, - .vback_porch = 41, - - .flags = DISPLAY_FLAGS_INTERLACED | DISPLAY_FLAGS_HSYNC_LOW | - DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_DE_HIGH | - DISPLAY_FLAGS_PIXDATA_POSEDGE | - DISPLAY_FLAGS_SYNC_NEGEDGE, +static const struct drm_display_mode omap_dss_pal_mode = { + .hdisplay = 720, + .hsync_start = 732, + .hsync_end = 796, + .htotal = 864, + .vdisplay = 574, + .vsync_start = 579, + .vsync_end = 584, + .vtotal = 625, + .clock = 13500, + + .flags = DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_NHSYNC | + DRM_MODE_FLAG_NVSYNC, }; -static const struct videomode omap_dss_ntsc_vm = { - .hactive = 720, - .vactive = 482, - .pixelclock = 13500000, - .hsync_len = 64, - .hfront_porch = 16, - .hback_porch = 58, - .vsync_len = 6, - .vfront_porch = 6, - .vback_porch = 31, - - .flags = DISPLAY_FLAGS_INTERLACED | DISPLAY_FLAGS_HSYNC_LOW | - DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_DE_HIGH | - DISPLAY_FLAGS_PIXDATA_POSEDGE | - DISPLAY_FLAGS_SYNC_NEGEDGE, +static const struct drm_display_mode omap_dss_ntsc_mode = { + .hdisplay = 720, + .hsync_start = 736, + .hsync_end = 800, + .htotal = 858, + .vdisplay = 482, + .vsync_start = 488, + .vsync_end = 494, + .vtotal = 525, + .clock = 13500, + + .flags = DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_NHSYNC | + DRM_MODE_FLAG_NVSYNC, }; -static enum venc_videomode venc_get_videomode(const struct videomode *vm) -{ - if (!(vm->flags & DISPLAY_FLAGS_INTERLACED)) - return VENC_MODE_UNKNOWN; - - if (vm->pixelclock == omap_dss_pal_vm.pixelclock && - vm->hactive == omap_dss_pal_vm.hactive && - vm->vactive == omap_dss_pal_vm.vactive) - return VENC_MODE_PAL; - - if (vm->pixelclock == omap_dss_ntsc_vm.pixelclock && - vm->hactive == omap_dss_ntsc_vm.hactive && - vm->vactive == omap_dss_ntsc_vm.vactive) - return VENC_MODE_NTSC; - - return VENC_MODE_UNKNOWN; -} - struct venc_device { struct platform_device *pdev; void __iomem *base; struct mutex venc_lock; - u32 wss_data; struct regulator *vdda_dac_reg; struct dss_device *dss; @@ -331,7 +308,7 @@ struct venc_device { struct clk *tv_dac_clk; - struct videomode vm; + const struct venc_config *config; enum omap_dss_venc_type type; bool invert_polarity; bool requires_tv_dac_clk; @@ -367,8 +344,7 @@ static void venc_write_config(struct venc_device *venc, venc_write_reg(venc, VENC_BLACK_LEVEL, config->black_level); venc_write_reg(venc, VENC_BLANK_LEVEL, config->blank_level); venc_write_reg(venc, VENC_M_CONTROL, config->m_control); - venc_write_reg(venc, VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data | - venc->wss_data); + venc_write_reg(venc, VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data); venc_write_reg(venc, VENC_S_CARR, config->s_carr); venc_write_reg(venc, VENC_L21__WC_CTL, config->l21__wc_ctl); venc_write_reg(venc, VENC_SAVID__EAVID, config->savid__eavid); @@ -452,18 +428,6 @@ static void venc_runtime_put(struct venc_device *venc) WARN_ON(r < 0 && r != -ENOSYS); } -static const struct venc_config *venc_timings_to_config(const struct videomode *vm) -{ - switch (venc_get_videomode(vm)) { - default: - WARN_ON_ONCE(1); - case VENC_MODE_PAL: - return &venc_config_pal_trm; - case VENC_MODE_NTSC: - return &venc_config_ntsc_trm; - } -} - static int venc_power_on(struct venc_device *venc) { u32 l; @@ -474,7 +438,7 @@ static int venc_power_on(struct venc_device *venc) goto err0; venc_reset(venc); - venc_write_config(venc, venc_timings_to_config(&venc->vm)); + venc_write_config(venc, venc->config); dss_set_venc_output(venc->dss, venc->type); dss_set_dac_pwrdn_bgz(venc->dss, 1); @@ -524,33 +488,17 @@ static void venc_power_off(struct venc_device *venc) venc_runtime_put(venc); } -static int venc_display_enable(struct omap_dss_device *dssdev) +static void venc_display_enable(struct omap_dss_device *dssdev) { struct venc_device *venc = dssdev_to_venc(dssdev); - int r; DSSDBG("venc_display_enable\n"); mutex_lock(&venc->venc_lock); - if (!dssdev->dispc_channel_connected) { - DSSERR("Failed to enable display: no output/manager\n"); - r = -ENODEV; - goto err0; - } - - r = venc_power_on(venc); - if (r) - goto err0; - - venc->wss_data = 0; + venc_power_on(venc); mutex_unlock(&venc->venc_lock); - - return 0; -err0: - mutex_unlock(&venc->venc_lock); - return r; } static void venc_display_disable(struct omap_dss_device *dssdev) @@ -566,30 +514,70 @@ static void venc_display_disable(struct omap_dss_device *dssdev) mutex_unlock(&venc->venc_lock); } -static void venc_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) +static int venc_get_modes(struct omap_dss_device *dssdev, + struct drm_connector *connector) { - struct venc_device *venc = dssdev_to_venc(dssdev); + static const struct drm_display_mode *modes[] = { + &omap_dss_pal_mode, + &omap_dss_ntsc_mode, + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(modes); ++i) { + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, modes[i]); + if (!mode) + return i; + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + } - mutex_lock(&venc->venc_lock); - *vm = venc->vm; - mutex_unlock(&venc->venc_lock); + return ARRAY_SIZE(modes); +} + +static enum venc_videomode venc_get_videomode(const struct drm_display_mode *mode) +{ + if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) + return VENC_MODE_UNKNOWN; + + if (mode->clock == omap_dss_pal_mode.clock && + mode->hdisplay == omap_dss_pal_mode.hdisplay && + mode->vdisplay == omap_dss_pal_mode.vdisplay) + return VENC_MODE_PAL; + + if (mode->clock == omap_dss_ntsc_mode.clock && + mode->hdisplay == omap_dss_ntsc_mode.hdisplay && + mode->vdisplay == omap_dss_ntsc_mode.vdisplay) + return VENC_MODE_NTSC; + + return VENC_MODE_UNKNOWN; } static void venc_set_timings(struct omap_dss_device *dssdev, - const struct videomode *vm) + const struct drm_display_mode *mode) { struct venc_device *venc = dssdev_to_venc(dssdev); + enum venc_videomode venc_mode = venc_get_videomode(mode); DSSDBG("venc_set_timings\n"); mutex_lock(&venc->venc_lock); - /* Reset WSS data when the TV standard changes. */ - if (memcmp(&venc->vm, vm, sizeof(*vm))) - venc->wss_data = 0; + switch (venc_mode) { + default: + WARN_ON_ONCE(1); + /* Fall-through */ + case VENC_MODE_PAL: + venc->config = &venc_config_pal_trm; + break; - venc->vm = *vm; + case VENC_MODE_NTSC: + venc->config = &venc_config_ntsc_trm; + break; + } dispc_set_tv_pclk(venc->dss->dispc, 13500000); @@ -597,22 +585,26 @@ static void venc_set_timings(struct omap_dss_device *dssdev, } static int venc_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + struct drm_display_mode *mode) { DSSDBG("venc_check_timings\n"); - switch (venc_get_videomode(vm)) { + switch (venc_get_videomode(mode)) { case VENC_MODE_PAL: - *vm = omap_dss_pal_vm; - return 0; + drm_mode_copy(mode, &omap_dss_pal_mode); + break; case VENC_MODE_NTSC: - *vm = omap_dss_ntsc_vm; - return 0; + drm_mode_copy(mode, &omap_dss_ntsc_mode); + break; default: return -EINVAL; } + + drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); + drm_mode_set_name(mode); + return 0; } static int venc_dump_regs(struct seq_file *s, void *p) @@ -695,21 +687,12 @@ static int venc_get_clocks(struct venc_device *venc) static int venc_connect(struct omap_dss_device *src, struct omap_dss_device *dst) { - int r; - - r = omapdss_device_connect(dst->dss, dst, dst->next); - if (r) - return r; - - dst->dispc_channel_connected = true; - return 0; + return omapdss_device_connect(dst->dss, dst, dst->next); } static void venc_disconnect(struct omap_dss_device *src, struct omap_dss_device *dst) { - dst->dispc_channel_connected = false; - omapdss_device_disconnect(dst, dst->next); } @@ -721,8 +704,9 @@ static const struct omap_dss_device_ops venc_ops = { .disable = venc_display_disable, .check_timings = venc_check_timings, - .get_timings = venc_get_timings, .set_timings = venc_set_timings, + + .get_modes = venc_get_modes, }; /* ----------------------------------------------------------------------------- @@ -776,26 +760,17 @@ static int venc_init_output(struct venc_device *venc) out->dev = &venc->pdev->dev; out->id = OMAP_DSS_OUTPUT_VENC; - out->output_type = OMAP_DISPLAY_TYPE_VENC; + out->type = OMAP_DISPLAY_TYPE_VENC; out->name = "venc.0"; out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; out->ops = &venc_ops; out->owner = THIS_MODULE; out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_MODES; - out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); - if (IS_ERR(out->next)) { - if (PTR_ERR(out->next) != -EPROBE_DEFER) - dev_err(out->dev, "failed to find video sink\n"); - return PTR_ERR(out->next); - } - - r = omapdss_output_validate(out); - if (r) { - omapdss_device_put(out->next); - out->next = NULL; + r = omapdss_device_init_output(out); + if (r < 0) return r; - } omapdss_device_register(out); @@ -804,9 +779,8 @@ static int venc_init_output(struct venc_device *venc) static void venc_uninit_output(struct venc_device *venc) { - if (venc->output.next) - omapdss_device_put(venc->output.next); omapdss_device_unregister(&venc->output); + omapdss_device_cleanup_output(&venc->output); } static int venc_probe_of(struct venc_device *venc) @@ -878,8 +852,7 @@ static int venc_probe(struct platform_device *pdev) mutex_init(&venc->venc_lock); - venc->wss_data = 0; - venc->vm = omap_dss_pal_vm; + venc->config = &venc_config_pal_trm; venc_mem = platform_get_resource(venc->pdev, IORESOURCE_MEM, 0); venc->base = devm_ioremap_resource(&pdev->dev, venc_mem); |