diff options
Diffstat (limited to 'drivers/gpu/drm/i2c')
| -rw-r--r-- | drivers/gpu/drm/i2c/Kconfig | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/Makefile | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/ch7006_drv.c | 549 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/ch7006_mode.c | 470 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/ch7006_priv.h | 344 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/sil164_drv.c | 451 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/tda9950.c | 507 | ||||
| -rw-r--r-- | drivers/gpu/drm/i2c/tda998x_drv.c | 2116 |
8 files changed, 0 insertions, 4483 deletions
diff --git a/drivers/gpu/drm/i2c/Kconfig b/drivers/gpu/drm/i2c/Kconfig deleted file mode 100644 index 6f19e1c35e30..000000000000 --- a/drivers/gpu/drm/i2c/Kconfig +++ /dev/null @@ -1,36 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -menu "I2C encoder or helper chips" - depends on DRM && DRM_KMS_HELPER && I2C - -config DRM_I2C_CH7006 - tristate "Chrontel ch7006 TV encoder" - default m if DRM_NOUVEAU - help - Support for Chrontel ch7006 and similar TV encoders, found - on some nVidia video cards. - - This driver is currently only useful if you're also using - the nouveau driver. - -config DRM_I2C_SIL164 - tristate "Silicon Image sil164 TMDS transmitter" - default m if DRM_NOUVEAU - help - Support for sil164 and similar single-link (or dual-link - when used in pairs) TMDS transmitters, used in some nVidia - video cards. - -config DRM_I2C_NXP_TDA998X - tristate "NXP Semiconductors TDA998X HDMI encoder" - default m if DRM_TILCDC - select CEC_CORE if CEC_NOTIFIER - select SND_SOC_HDMI_CODEC if SND_SOC - help - Support for NXP Semiconductors TDA998X HDMI encoders. - -config DRM_I2C_NXP_TDA9950 - tristate "NXP Semiconductors TDA9950/TDA998X HDMI CEC" - select CEC_NOTIFIER - select CEC_CORE - -endmenu diff --git a/drivers/gpu/drm/i2c/Makefile b/drivers/gpu/drm/i2c/Makefile deleted file mode 100644 index a962f6f08568..000000000000 --- a/drivers/gpu/drm/i2c/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -ch7006-y := ch7006_drv.o ch7006_mode.o -obj-$(CONFIG_DRM_I2C_CH7006) += ch7006.o - -sil164-y := sil164_drv.o -obj-$(CONFIG_DRM_I2C_SIL164) += sil164.o - -tda998x-y := tda998x_drv.o -obj-$(CONFIG_DRM_I2C_NXP_TDA998X) += tda998x.o -obj-$(CONFIG_DRM_I2C_NXP_TDA9950) += tda9950.o diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c deleted file mode 100644 index 131512a5f3bd..000000000000 --- a/drivers/gpu/drm/i2c/ch7006_drv.c +++ /dev/null @@ -1,549 +0,0 @@ -/* - * Copyright (C) 2009 Francisco Jerez. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include <linux/module.h> - -#include <drm/drm_crtc_helper.h> - -#include "ch7006_priv.h" - -/* DRM encoder functions */ - -static void ch7006_encoder_set_config(struct drm_encoder *encoder, - void *params) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - priv->params = *(struct ch7006_encoder_params *)params; -} - -static void ch7006_encoder_destroy(struct drm_encoder *encoder) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - drm_property_destroy(encoder->dev, priv->scale_property); - - kfree(priv); - to_encoder_slave(encoder)->slave_priv = NULL; - - drm_i2c_encoder_destroy(encoder); -} - -static void ch7006_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - - ch7006_dbg(client, "\n"); - - if (mode == priv->last_dpms) - return; - priv->last_dpms = mode; - - ch7006_setup_power_state(encoder); - - ch7006_load_reg(client, state, CH7006_POWER); -} - -static void ch7006_encoder_save(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - ch7006_dbg(client, "\n"); - - ch7006_state_save(client, &priv->saved_state); -} - -static void ch7006_encoder_restore(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - ch7006_dbg(client, "\n"); - - ch7006_state_load(client, &priv->saved_state); -} - -static bool ch7006_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - /* The ch7006 is painfully picky with the input timings so no - * custom modes for now... */ - - priv->mode = ch7006_lookup_mode(encoder, mode); - - return !!priv->mode; -} - -static int ch7006_encoder_mode_valid(struct drm_encoder *encoder, - struct drm_display_mode *mode) -{ - if (ch7006_lookup_mode(encoder, mode)) - return MODE_OK; - else - return MODE_BAD; -} - -static void ch7006_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *drm_mode, - struct drm_display_mode *adjusted_mode) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_encoder_params *params = &priv->params; - struct ch7006_state *state = &priv->state; - uint8_t *regs = state->regs; - const struct ch7006_mode *mode = priv->mode; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - int start_active; - - ch7006_dbg(client, "\n"); - - regs[CH7006_DISPMODE] = norm->dispmode | mode->dispmode; - regs[CH7006_BWIDTH] = 0; - regs[CH7006_INPUT_FORMAT] = bitf(CH7006_INPUT_FORMAT_FORMAT, - params->input_format); - - regs[CH7006_CLKMODE] = CH7006_CLKMODE_SUBC_LOCK - | bitf(CH7006_CLKMODE_XCM, params->xcm) - | bitf(CH7006_CLKMODE_PCM, params->pcm); - if (params->clock_mode) - regs[CH7006_CLKMODE] |= CH7006_CLKMODE_MASTER; - if (params->clock_edge) - regs[CH7006_CLKMODE] |= CH7006_CLKMODE_POS_EDGE; - - start_active = (drm_mode->htotal & ~0x7) - (drm_mode->hsync_start & ~0x7); - regs[CH7006_POV] = bitf(CH7006_POV_START_ACTIVE_8, start_active); - regs[CH7006_START_ACTIVE] = bitf(CH7006_START_ACTIVE_0, start_active); - - regs[CH7006_INPUT_SYNC] = 0; - if (params->sync_direction) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_OUTPUT; - if (params->sync_encoding) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_EMBEDDED; - if (drm_mode->flags & DRM_MODE_FLAG_PVSYNC) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_PVSYNC; - if (drm_mode->flags & DRM_MODE_FLAG_PHSYNC) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_PHSYNC; - - regs[CH7006_DETECT] = 0; - regs[CH7006_BCLKOUT] = 0; - - regs[CH7006_SUBC_INC3] = 0; - if (params->pout_level) - regs[CH7006_SUBC_INC3] |= CH7006_SUBC_INC3_POUT_3_3V; - - regs[CH7006_SUBC_INC4] = 0; - if (params->active_detect) - regs[CH7006_SUBC_INC4] |= CH7006_SUBC_INC4_DS_INPUT; - - regs[CH7006_PLL_CONTROL] = priv->saved_state.regs[CH7006_PLL_CONTROL]; - - ch7006_setup_levels(encoder); - ch7006_setup_subcarrier(encoder); - ch7006_setup_pll(encoder); - ch7006_setup_power_state(encoder); - ch7006_setup_properties(encoder); - - ch7006_state_load(client, state); -} - -static enum drm_connector_status ch7006_encoder_detect(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - int det; - - ch7006_dbg(client, "\n"); - - ch7006_save_reg(client, state, CH7006_DETECT); - ch7006_save_reg(client, state, CH7006_POWER); - ch7006_save_reg(client, state, CH7006_CLKMODE); - - ch7006_write(client, CH7006_POWER, CH7006_POWER_RESET | - bitfs(CH7006_POWER_LEVEL, NORMAL)); - ch7006_write(client, CH7006_CLKMODE, CH7006_CLKMODE_MASTER); - - ch7006_write(client, CH7006_DETECT, CH7006_DETECT_SENSE); - - ch7006_write(client, CH7006_DETECT, 0); - - det = ch7006_read(client, CH7006_DETECT); - - ch7006_load_reg(client, state, CH7006_CLKMODE); - ch7006_load_reg(client, state, CH7006_POWER); - ch7006_load_reg(client, state, CH7006_DETECT); - - if ((det & (CH7006_DETECT_SVIDEO_Y_TEST| - CH7006_DETECT_SVIDEO_C_TEST| - CH7006_DETECT_CVBS_TEST)) == 0) - priv->subconnector = DRM_MODE_SUBCONNECTOR_SCART; - else if ((det & (CH7006_DETECT_SVIDEO_Y_TEST| - CH7006_DETECT_SVIDEO_C_TEST)) == 0) - priv->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO; - else if ((det & CH7006_DETECT_CVBS_TEST) == 0) - priv->subconnector = DRM_MODE_SUBCONNECTOR_Composite; - else - priv->subconnector = DRM_MODE_SUBCONNECTOR_Unknown; - - drm_object_property_set_value(&connector->base, - encoder->dev->mode_config.tv_subconnector_property, - priv->subconnector); - - return priv->subconnector ? connector_status_connected : - connector_status_disconnected; -} - -static int ch7006_encoder_get_modes(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - const struct ch7006_mode *mode; - int n = 0; - - for (mode = ch7006_modes; mode->mode.clock; mode++) { - if (~mode->valid_scales & 1<<priv->scale || - ~mode->valid_norms & 1<<priv->norm) - continue; - - drm_mode_probed_add(connector, - drm_mode_duplicate(encoder->dev, &mode->mode)); - - n++; - } - - return n; -} - -static int ch7006_encoder_create_resources(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct drm_device *dev = encoder->dev; - struct drm_mode_config *conf = &dev->mode_config; - - drm_mode_create_tv_properties_legacy(dev, NUM_TV_NORMS, ch7006_tv_norm_names); - - priv->scale_property = drm_property_create_range(dev, 0, "scale", 0, 2); - if (!priv->scale_property) - return -ENOMEM; - - drm_object_attach_property(&connector->base, conf->tv_select_subconnector_property, - priv->select_subconnector); - drm_object_attach_property(&connector->base, conf->tv_subconnector_property, - priv->subconnector); - drm_object_attach_property(&connector->base, conf->tv_left_margin_property, - priv->hmargin); - drm_object_attach_property(&connector->base, conf->tv_bottom_margin_property, - priv->vmargin); - drm_object_attach_property(&connector->base, conf->legacy_tv_mode_property, - priv->norm); - drm_object_attach_property(&connector->base, conf->tv_brightness_property, - priv->brightness); - drm_object_attach_property(&connector->base, conf->tv_contrast_property, - priv->contrast); - drm_object_attach_property(&connector->base, conf->tv_flicker_reduction_property, - priv->flicker); - drm_object_attach_property(&connector->base, priv->scale_property, - priv->scale); - - return 0; -} - -static int ch7006_encoder_set_property(struct drm_encoder *encoder, - struct drm_connector *connector, - struct drm_property *property, - uint64_t val) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - struct drm_mode_config *conf = &encoder->dev->mode_config; - struct drm_crtc *crtc = encoder->crtc; - bool modes_changed = false; - - ch7006_dbg(client, "\n"); - - if (property == conf->tv_select_subconnector_property) { - priv->select_subconnector = val; - - ch7006_setup_power_state(encoder); - - ch7006_load_reg(client, state, CH7006_POWER); - - } else if (property == conf->tv_left_margin_property) { - priv->hmargin = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_POV); - ch7006_load_reg(client, state, CH7006_HPOS); - - } else if (property == conf->tv_bottom_margin_property) { - priv->vmargin = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_POV); - ch7006_load_reg(client, state, CH7006_VPOS); - - } else if (property == conf->legacy_tv_mode_property) { - if (connector->dpms != DRM_MODE_DPMS_OFF) - return -EINVAL; - - priv->norm = val; - - modes_changed = true; - - } else if (property == conf->tv_brightness_property) { - priv->brightness = val; - - ch7006_setup_levels(encoder); - - ch7006_load_reg(client, state, CH7006_BLACK_LEVEL); - - } else if (property == conf->tv_contrast_property) { - priv->contrast = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_CONTRAST); - - } else if (property == conf->tv_flicker_reduction_property) { - priv->flicker = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_FFILTER); - - } else if (property == priv->scale_property) { - if (connector->dpms != DRM_MODE_DPMS_OFF) - return -EINVAL; - - priv->scale = val; - - modes_changed = true; - - } else { - return -EINVAL; - } - - if (modes_changed) { - drm_helper_probe_single_connector_modes(connector, 0, 0); - - if (crtc) - drm_crtc_helper_set_mode(crtc, &crtc->mode, - crtc->x, crtc->y, - crtc->primary->fb); - } - - return 0; -} - -static const struct drm_encoder_slave_funcs ch7006_encoder_funcs = { - .set_config = ch7006_encoder_set_config, - .destroy = ch7006_encoder_destroy, - .dpms = ch7006_encoder_dpms, - .save = ch7006_encoder_save, - .restore = ch7006_encoder_restore, - .mode_fixup = ch7006_encoder_mode_fixup, - .mode_valid = ch7006_encoder_mode_valid, - .mode_set = ch7006_encoder_mode_set, - .detect = ch7006_encoder_detect, - .get_modes = ch7006_encoder_get_modes, - .create_resources = ch7006_encoder_create_resources, - .set_property = ch7006_encoder_set_property, -}; - - -/* I2C driver functions */ - -static int ch7006_probe(struct i2c_client *client) -{ - uint8_t addr = CH7006_VERSION_ID; - uint8_t val; - int ret; - - ch7006_dbg(client, "\n"); - - ret = i2c_master_send(client, &addr, sizeof(addr)); - if (ret < 0) - goto fail; - - ret = i2c_master_recv(client, &val, sizeof(val)); - if (ret < 0) - goto fail; - - ch7006_info(client, "Detected version ID: %x\n", val); - - /* I don't know what this is for, but otherwise I get no - * signal. - */ - ch7006_write(client, 0x3d, 0x0); - - return 0; - -fail: - ch7006_err(client, "Error %d reading version ID\n", ret); - - return -ENODEV; -} - -static void ch7006_remove(struct i2c_client *client) -{ - ch7006_dbg(client, "\n"); -} - -static int ch7006_resume(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - - ch7006_dbg(client, "\n"); - - ch7006_write(client, 0x3d, 0x0); - - return 0; -} - -static int ch7006_encoder_init(struct i2c_client *client, - struct drm_device *dev, - struct drm_encoder_slave *encoder) -{ - struct ch7006_priv *priv; - int i; - - ch7006_dbg(client, "\n"); - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - encoder->slave_priv = priv; - encoder->slave_funcs = &ch7006_encoder_funcs; - - priv->norm = TV_NORM_PAL; - priv->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic; - priv->subconnector = DRM_MODE_SUBCONNECTOR_Unknown; - priv->scale = 1; - priv->contrast = 50; - priv->brightness = 50; - priv->flicker = 50; - priv->hmargin = 50; - priv->vmargin = 50; - priv->last_dpms = -1; - priv->chip_version = ch7006_read(client, CH7006_VERSION_ID); - - if (ch7006_tv_norm) { - for (i = 0; i < NUM_TV_NORMS; i++) { - if (!strcmp(ch7006_tv_norm_names[i], ch7006_tv_norm)) { - priv->norm = i; - break; - } - } - - if (i == NUM_TV_NORMS) - ch7006_err(client, "Invalid TV norm setting \"%s\".\n", - ch7006_tv_norm); - } - - if (ch7006_scale >= 0 && ch7006_scale <= 2) - priv->scale = ch7006_scale; - else - ch7006_err(client, "Invalid scale setting \"%d\".\n", - ch7006_scale); - - return 0; -} - -static const struct i2c_device_id ch7006_ids[] = { - { "ch7006", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ch7006_ids); - -static const struct dev_pm_ops ch7006_pm_ops = { - .resume = ch7006_resume, -}; - -static struct drm_i2c_encoder_driver ch7006_driver = { - .i2c_driver = { - .probe = ch7006_probe, - .remove = ch7006_remove, - - .driver = { - .name = "ch7006", - .pm = &ch7006_pm_ops, - }, - - .id_table = ch7006_ids, - }, - - .encoder_init = ch7006_encoder_init, -}; - - -/* Module initialization */ - -static int __init ch7006_init(void) -{ - return drm_i2c_encoder_register(THIS_MODULE, &ch7006_driver); -} - -static void __exit ch7006_exit(void) -{ - drm_i2c_encoder_unregister(&ch7006_driver); -} - -int ch7006_debug; -module_param_named(debug, ch7006_debug, int, 0600); -MODULE_PARM_DESC(debug, "Enable debug output."); - -char *ch7006_tv_norm; -module_param_named(tv_norm, ch7006_tv_norm, charp, 0600); -MODULE_PARM_DESC(tv_norm, "Default TV norm.\n" - "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, PAL-60, NTSC-M, NTSC-J.\n" - "\t\tDefault: PAL"); - -int ch7006_scale = 1; -module_param_named(scale, ch7006_scale, int, 0600); -MODULE_PARM_DESC(scale, "Default scale.\n" - "\t\tSupported: 0 -> Select video modes with a higher blanking ratio.\n" - "\t\t\t1 -> Select default video modes.\n" - "\t\t\t2 -> Select video modes with a lower blanking ratio."); - -MODULE_AUTHOR("Francisco Jerez <currojerez@riseup.net>"); -MODULE_DESCRIPTION("Chrontel ch7006 TV encoder driver"); -MODULE_LICENSE("GPL and additional rights"); - -module_init(ch7006_init); -module_exit(ch7006_exit); diff --git a/drivers/gpu/drm/i2c/ch7006_mode.c b/drivers/gpu/drm/i2c/ch7006_mode.c deleted file mode 100644 index 6afe6d0ee630..000000000000 --- a/drivers/gpu/drm/i2c/ch7006_mode.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * Copyright (C) 2009 Francisco Jerez. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include "ch7006_priv.h" - -const char * const ch7006_tv_norm_names[] = { - [TV_NORM_PAL] = "PAL", - [TV_NORM_PAL_M] = "PAL-M", - [TV_NORM_PAL_N] = "PAL-N", - [TV_NORM_PAL_NC] = "PAL-Nc", - [TV_NORM_PAL_60] = "PAL-60", - [TV_NORM_NTSC_M] = "NTSC-M", - [TV_NORM_NTSC_J] = "NTSC-J", -}; - -#define NTSC_LIKE_TIMINGS .vrefresh = 60 * fixed1/1.001, \ - .vdisplay = 480, \ - .vtotal = 525, \ - .hvirtual = 660 - -#define PAL_LIKE_TIMINGS .vrefresh = 50 * fixed1, \ - .vdisplay = 576, \ - .vtotal = 625, \ - .hvirtual = 810 - -const struct ch7006_tv_norm_info ch7006_tv_norms[] = { - [TV_NORM_NTSC_M] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.339 * fixed1, - .subc_freq = 3579545 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, NTSC), - .voffset = 0, - }, - [TV_NORM_NTSC_J] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.286 * fixed1, - .subc_freq = 3579545 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, NTSC_J), - .voffset = 0, - }, - [TV_NORM_PAL] = { - PAL_LIKE_TIMINGS, - .black_level = 0.3 * fixed1, - .subc_freq = 4433618.75 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL), - .voffset = 0, - }, - [TV_NORM_PAL_M] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.339 * fixed1, - .subc_freq = 3575611.433 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL_M), - .voffset = 16, - }, - - /* The following modes seem to work right but they're - * undocumented */ - - [TV_NORM_PAL_N] = { - PAL_LIKE_TIMINGS, - .black_level = 0.339 * fixed1, - .subc_freq = 4433618.75 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL), - .voffset = 0, - }, - [TV_NORM_PAL_NC] = { - PAL_LIKE_TIMINGS, - .black_level = 0.3 * fixed1, - .subc_freq = 3582056.25 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL), - .voffset = 0, - }, - [TV_NORM_PAL_60] = { - NTSC_LIKE_TIMINGS, - .black_level = 0.3 * fixed1, - .subc_freq = 4433618.75 * fixed1, - .dispmode = bitfs(CH7006_DISPMODE_OUTPUT_STD, PAL_M), - .voffset = 16, - }, -}; - -#define __MODE(f, hd, vd, ht, vt, hsynp, vsynp, \ - subc, scale, scale_mask, norm_mask, e_hd, e_vd) { \ - .mode = { \ - .name = #hd "x" #vd, \ - .status = 0, \ - .type = DRM_MODE_TYPE_DRIVER, \ - .clock = f, \ - .hdisplay = hd, \ - .hsync_start = e_hd + 16, \ - .hsync_end = e_hd + 80, \ - .htotal = ht, \ - .hskew = 0, \ - .vdisplay = vd, \ - .vsync_start = vd + 10, \ - .vsync_end = vd + 26, \ - .vtotal = vt, \ - .vscan = 0, \ - .flags = DRM_MODE_FLAG_##hsynp##HSYNC | \ - DRM_MODE_FLAG_##vsynp##VSYNC, \ - }, \ - .enc_hdisp = e_hd, \ - .enc_vdisp = e_vd, \ - .subc_coeff = subc * fixed1, \ - .dispmode = bitfs(CH7006_DISPMODE_SCALING_RATIO, scale) | \ - bitfs(CH7006_DISPMODE_INPUT_RES, e_hd##x##e_vd), \ - .valid_scales = scale_mask, \ - .valid_norms = norm_mask \ - } - -#define MODE(f, hd, vd, ht, vt, hsynp, vsynp, \ - subc, scale, scale_mask, norm_mask) \ - __MODE(f, hd, vd, ht, vt, hsynp, vsynp, subc, scale, \ - scale_mask, norm_mask, hd, vd) - -#define NTSC_LIKE (1 << TV_NORM_NTSC_M | 1 << TV_NORM_NTSC_J | \ - 1 << TV_NORM_PAL_M | 1 << TV_NORM_PAL_60) - -#define PAL_LIKE (1 << TV_NORM_PAL | 1 << TV_NORM_PAL_N | 1 << TV_NORM_PAL_NC) - -const struct ch7006_mode ch7006_modes[] = { - MODE(21000, 512, 384, 840, 500, N, N, 181.797557582, 5_4, 0x6, PAL_LIKE), - MODE(26250, 512, 384, 840, 625, N, N, 145.438046066, 1_1, 0x1, PAL_LIKE), - MODE(20140, 512, 384, 800, 420, N, N, 213.257083791, 5_4, 0x4, NTSC_LIKE), - MODE(24671, 512, 384, 784, 525, N, N, 174.0874153, 1_1, 0x3, NTSC_LIKE), - MODE(28125, 720, 400, 1125, 500, N, N, 135.742176298, 5_4, 0x6, PAL_LIKE), - MODE(34875, 720, 400, 1116, 625, N, N, 109.469496898, 1_1, 0x1, PAL_LIKE), - MODE(23790, 720, 400, 945, 420, N, N, 160.475642016, 5_4, 0x4, NTSC_LIKE), - MODE(29455, 720, 400, 936, 525, N, N, 129.614941843, 1_1, 0x3, NTSC_LIKE), - MODE(25000, 640, 400, 1000, 500, N, N, 152.709948279, 5_4, 0x6, PAL_LIKE), - MODE(31500, 640, 400, 1008, 625, N, N, 121.198371646, 1_1, 0x1, PAL_LIKE), - MODE(21147, 640, 400, 840, 420, N, N, 180.535097338, 5_4, 0x4, NTSC_LIKE), - MODE(26434, 640, 400, 840, 525, N, N, 144.42807787, 1_1, 0x2, NTSC_LIKE), - MODE(30210, 640, 400, 840, 600, N, N, 126.374568276, 7_8, 0x1, NTSC_LIKE), - MODE(21000, 640, 480, 840, 500, N, N, 181.797557582, 5_4, 0x4, PAL_LIKE), - MODE(26250, 640, 480, 840, 625, N, N, 145.438046066, 1_1, 0x2, PAL_LIKE), - MODE(31500, 640, 480, 840, 750, N, N, 121.198371646, 5_6, 0x1, PAL_LIKE), - MODE(24671, 640, 480, 784, 525, N, N, 174.0874153, 1_1, 0x4, NTSC_LIKE), - MODE(28196, 640, 480, 784, 600, N, N, 152.326488422, 7_8, 0x2, NTSC_LIKE), - MODE(30210, 640, 480, 800, 630, N, N, 142.171389101, 5_6, 0x1, NTSC_LIKE), - __MODE(29500, 720, 576, 944, 625, P, P, 145.592111636, 1_1, 0x7, PAL_LIKE, 800, 600), - MODE(36000, 800, 600, 960, 750, P, P, 119.304647022, 5_6, 0x6, PAL_LIKE), - MODE(39000, 800, 600, 936, 836, P, P, 110.127366499, 3_4, 0x1, PAL_LIKE), - MODE(39273, 800, 600, 1040, 630, P, P, 145.816809399, 5_6, 0x4, NTSC_LIKE), - MODE(43636, 800, 600, 1040, 700, P, P, 131.235128487, 3_4, 0x2, NTSC_LIKE), - MODE(47832, 800, 600, 1064, 750, P, P, 119.723275165, 7_10, 0x1, NTSC_LIKE), - {} -}; - -const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder, - const struct drm_display_mode *drm_mode) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - const struct ch7006_mode *mode; - - for (mode = ch7006_modes; mode->mode.clock; mode++) { - - if (~mode->valid_norms & 1<<priv->norm) - continue; - - if (mode->mode.hdisplay != drm_mode->hdisplay || - mode->mode.vdisplay != drm_mode->vdisplay || - mode->mode.vtotal != drm_mode->vtotal || - mode->mode.htotal != drm_mode->htotal || - mode->mode.clock != drm_mode->clock) - continue; - - return mode; - } - - return NULL; -} - -/* Some common HW state calculation code */ - -void ch7006_setup_levels(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - uint8_t *regs = priv->state.regs; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - int gain; - int black_level; - - /* Set DAC_GAIN if the voltage drop between white and black is - * high enough. */ - if (norm->black_level < 339*fixed1/1000) { - gain = 76; - - regs[CH7006_INPUT_FORMAT] |= CH7006_INPUT_FORMAT_DAC_GAIN; - } else { - gain = 71; - - regs[CH7006_INPUT_FORMAT] &= ~CH7006_INPUT_FORMAT_DAC_GAIN; - } - - black_level = round_fixed(norm->black_level*26625)/gain; - - /* Correct it with the specified brightness. */ - black_level = interpolate(90, black_level, 208, priv->brightness); - - regs[CH7006_BLACK_LEVEL] = bitf(CH7006_BLACK_LEVEL_0, black_level); - - ch7006_dbg(client, "black level: %d\n", black_level); -} - -void ch7006_setup_subcarrier(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - const struct ch7006_mode *mode = priv->mode; - uint32_t subc_inc; - - subc_inc = round_fixed((mode->subc_coeff >> 8) - * (norm->subc_freq >> 24)); - - setbitf(state, CH7006_SUBC_INC0, 28, subc_inc); - setbitf(state, CH7006_SUBC_INC1, 24, subc_inc); - setbitf(state, CH7006_SUBC_INC2, 20, subc_inc); - setbitf(state, CH7006_SUBC_INC3, 16, subc_inc); - setbitf(state, CH7006_SUBC_INC4, 12, subc_inc); - setbitf(state, CH7006_SUBC_INC5, 8, subc_inc); - setbitf(state, CH7006_SUBC_INC6, 4, subc_inc); - setbitf(state, CH7006_SUBC_INC7, 0, subc_inc); - - ch7006_dbg(client, "subcarrier inc: %u\n", subc_inc); -} - -void ch7006_setup_pll(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - uint8_t *regs = priv->state.regs; - const struct ch7006_mode *mode = priv->mode; - int n, best_n = 0; - int m, best_m = 0; - int freq, best_freq = 0; - - for (n = 0; n < CH7006_MAXN; n++) { - for (m = 0; m < CH7006_MAXM; m++) { - freq = CH7006_FREQ0*(n+2)/(m+2); - - if (abs(freq - mode->mode.clock) < - abs(best_freq - mode->mode.clock)) { - best_freq = freq; - best_n = n; - best_m = m; - } - } - } - - regs[CH7006_PLLOV] = bitf(CH7006_PLLOV_N_8, best_n) | - bitf(CH7006_PLLOV_M_8, best_m); - - regs[CH7006_PLLM] = bitf(CH7006_PLLM_0, best_m); - regs[CH7006_PLLN] = bitf(CH7006_PLLN_0, best_n); - - if (best_n < 108) - regs[CH7006_PLL_CONTROL] |= CH7006_PLL_CONTROL_CAPACITOR; - else - regs[CH7006_PLL_CONTROL] &= ~CH7006_PLL_CONTROL_CAPACITOR; - - ch7006_dbg(client, "n=%d m=%d f=%d c=%d\n", - best_n, best_m, best_freq, best_n < 108); -} - -void ch7006_setup_power_state(struct drm_encoder *encoder) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - uint8_t *power = &priv->state.regs[CH7006_POWER]; - int subconnector; - - subconnector = priv->select_subconnector ? priv->select_subconnector : - priv->subconnector; - - *power = CH7006_POWER_RESET; - - if (priv->last_dpms == DRM_MODE_DPMS_ON) { - switch (subconnector) { - case DRM_MODE_SUBCONNECTOR_SVIDEO: - *power |= bitfs(CH7006_POWER_LEVEL, CVBS_OFF); - break; - case DRM_MODE_SUBCONNECTOR_Composite: - *power |= bitfs(CH7006_POWER_LEVEL, SVIDEO_OFF); - break; - case DRM_MODE_SUBCONNECTOR_SCART: - *power |= bitfs(CH7006_POWER_LEVEL, NORMAL) | - CH7006_POWER_SCART; - break; - } - - } else { - if (priv->chip_version >= 0x20) - *power |= bitfs(CH7006_POWER_LEVEL, FULL_POWER_OFF); - else - *power |= bitfs(CH7006_POWER_LEVEL, POWER_OFF); - } -} - -void ch7006_setup_properties(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - const struct ch7006_mode *ch_mode = priv->mode; - const struct drm_display_mode *mode = &ch_mode->mode; - uint8_t *regs = state->regs; - int flicker, contrast, hpos, vpos; - uint64_t scale, aspect; - - flicker = interpolate(0, 2, 3, priv->flicker); - regs[CH7006_FFILTER] = bitf(CH7006_FFILTER_TEXT, flicker) | - bitf(CH7006_FFILTER_LUMA, flicker) | - bitf(CH7006_FFILTER_CHROMA, 1); - - contrast = interpolate(0, 5, 7, priv->contrast); - regs[CH7006_CONTRAST] = bitf(CH7006_CONTRAST_0, contrast); - - scale = norm->vtotal*fixed1; - do_div(scale, mode->vtotal); - - aspect = ch_mode->enc_hdisp*fixed1; - do_div(aspect, ch_mode->enc_vdisp); - - hpos = round_fixed((norm->hvirtual * aspect - mode->hdisplay * scale) - * priv->hmargin * mode->vtotal) / norm->vtotal / 100 / 4; - - setbitf(state, CH7006_POV, HPOS_8, hpos); - setbitf(state, CH7006_HPOS, 0, hpos); - - vpos = max(0, norm->vdisplay - round_fixed(mode->vdisplay*scale) - + norm->voffset) * priv->vmargin / 100 / 2; - - setbitf(state, CH7006_POV, VPOS_8, vpos); - setbitf(state, CH7006_VPOS, 0, vpos); - - ch7006_dbg(client, "hpos: %d, vpos: %d\n", hpos, vpos); -} - -/* HW access functions */ - -void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val) -{ - uint8_t buf[] = {addr, val}; - int ret; - - ret = i2c_master_send(client, buf, ARRAY_SIZE(buf)); - if (ret < 0) - ch7006_err(client, "Error %d writing to subaddress 0x%x\n", - ret, addr); -} - -uint8_t ch7006_read(struct i2c_client *client, uint8_t addr) -{ - uint8_t val; - int ret; - - ret = i2c_master_send(client, &addr, sizeof(addr)); - if (ret < 0) - goto fail; - - ret = i2c_master_recv(client, &val, sizeof(val)); - if (ret < 0) - goto fail; - - return val; - -fail: - ch7006_err(client, "Error %d reading from subaddress 0x%x\n", - ret, addr); - return 0; -} - -void ch7006_state_load(struct i2c_client *client, - struct ch7006_state *state) -{ - ch7006_load_reg(client, state, CH7006_POWER); - - ch7006_load_reg(client, state, CH7006_DISPMODE); - ch7006_load_reg(client, state, CH7006_FFILTER); - ch7006_load_reg(client, state, CH7006_BWIDTH); - ch7006_load_reg(client, state, CH7006_INPUT_FORMAT); - ch7006_load_reg(client, state, CH7006_CLKMODE); - ch7006_load_reg(client, state, CH7006_START_ACTIVE); - ch7006_load_reg(client, state, CH7006_POV); - ch7006_load_reg(client, state, CH7006_BLACK_LEVEL); - ch7006_load_reg(client, state, CH7006_HPOS); - ch7006_load_reg(client, state, CH7006_VPOS); - ch7006_load_reg(client, state, CH7006_INPUT_SYNC); - ch7006_load_reg(client, state, CH7006_DETECT); - ch7006_load_reg(client, state, CH7006_CONTRAST); - ch7006_load_reg(client, state, CH7006_PLLOV); - ch7006_load_reg(client, state, CH7006_PLLM); - ch7006_load_reg(client, state, CH7006_PLLN); - ch7006_load_reg(client, state, CH7006_BCLKOUT); - ch7006_load_reg(client, state, CH7006_SUBC_INC0); - ch7006_load_reg(client, state, CH7006_SUBC_INC1); - ch7006_load_reg(client, state, CH7006_SUBC_INC2); - ch7006_load_reg(client, state, CH7006_SUBC_INC3); - ch7006_load_reg(client, state, CH7006_SUBC_INC4); - ch7006_load_reg(client, state, CH7006_SUBC_INC5); - ch7006_load_reg(client, state, CH7006_SUBC_INC6); - ch7006_load_reg(client, state, CH7006_SUBC_INC7); - ch7006_load_reg(client, state, CH7006_PLL_CONTROL); - ch7006_load_reg(client, state, CH7006_CALC_SUBC_INC0); -} - -void ch7006_state_save(struct i2c_client *client, - struct ch7006_state *state) -{ - ch7006_save_reg(client, state, CH7006_POWER); - - ch7006_save_reg(client, state, CH7006_DISPMODE); - ch7006_save_reg(client, state, CH7006_FFILTER); - ch7006_save_reg(client, state, CH7006_BWIDTH); - ch7006_save_reg(client, state, CH7006_INPUT_FORMAT); - ch7006_save_reg(client, state, CH7006_CLKMODE); - ch7006_save_reg(client, state, CH7006_START_ACTIVE); - ch7006_save_reg(client, state, CH7006_POV); - ch7006_save_reg(client, state, CH7006_BLACK_LEVEL); - ch7006_save_reg(client, state, CH7006_HPOS); - ch7006_save_reg(client, state, CH7006_VPOS); - ch7006_save_reg(client, state, CH7006_INPUT_SYNC); - ch7006_save_reg(client, state, CH7006_DETECT); - ch7006_save_reg(client, state, CH7006_CONTRAST); - ch7006_save_reg(client, state, CH7006_PLLOV); - ch7006_save_reg(client, state, CH7006_PLLM); - ch7006_save_reg(client, state, CH7006_PLLN); - ch7006_save_reg(client, state, CH7006_BCLKOUT); - ch7006_save_reg(client, state, CH7006_SUBC_INC0); - ch7006_save_reg(client, state, CH7006_SUBC_INC1); - ch7006_save_reg(client, state, CH7006_SUBC_INC2); - ch7006_save_reg(client, state, CH7006_SUBC_INC3); - ch7006_save_reg(client, state, CH7006_SUBC_INC4); - ch7006_save_reg(client, state, CH7006_SUBC_INC5); - ch7006_save_reg(client, state, CH7006_SUBC_INC6); - ch7006_save_reg(client, state, CH7006_SUBC_INC7); - ch7006_save_reg(client, state, CH7006_PLL_CONTROL); - ch7006_save_reg(client, state, CH7006_CALC_SUBC_INC0); - - state->regs[CH7006_FFILTER] = (state->regs[CH7006_FFILTER] & 0xf0) | - (state->regs[CH7006_FFILTER] & 0x0c) >> 2 | - (state->regs[CH7006_FFILTER] & 0x03) << 2; -} diff --git a/drivers/gpu/drm/i2c/ch7006_priv.h b/drivers/gpu/drm/i2c/ch7006_priv.h deleted file mode 100644 index 052bdc48a339..000000000000 --- a/drivers/gpu/drm/i2c/ch7006_priv.h +++ /dev/null @@ -1,344 +0,0 @@ -/* - * Copyright (C) 2009 Francisco Jerez. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#ifndef __DRM_I2C_CH7006_PRIV_H__ -#define __DRM_I2C_CH7006_PRIV_H__ - -#include <drm/drm_encoder_slave.h> -#include <drm/drm_probe_helper.h> -#include <drm/i2c/ch7006.h> - -typedef int64_t fixed; -#define fixed1 (1LL << 32) - -enum ch7006_tv_norm { - TV_NORM_PAL, - TV_NORM_PAL_M, - TV_NORM_PAL_N, - TV_NORM_PAL_NC, - TV_NORM_PAL_60, - TV_NORM_NTSC_M, - TV_NORM_NTSC_J, - NUM_TV_NORMS -}; - -struct ch7006_tv_norm_info { - fixed vrefresh; - int vdisplay; - int vtotal; - int hvirtual; - - fixed subc_freq; - fixed black_level; - - uint32_t dispmode; - int voffset; -}; - -struct ch7006_mode { - struct drm_display_mode mode; - - int enc_hdisp; - int enc_vdisp; - - fixed subc_coeff; - uint32_t dispmode; - - uint32_t valid_scales; - uint32_t valid_norms; -}; - -struct ch7006_state { - uint8_t regs[0x26]; -}; - -struct ch7006_priv { - struct ch7006_encoder_params params; - const struct ch7006_mode *mode; - - struct ch7006_state state; - struct ch7006_state saved_state; - - struct drm_property *scale_property; - - int select_subconnector; - int subconnector; - int hmargin; - int vmargin; - enum ch7006_tv_norm norm; - int brightness; - int contrast; - int flicker; - int scale; - - int chip_version; - int last_dpms; -}; - -#define to_ch7006_priv(x) \ - ((struct ch7006_priv *)to_encoder_slave(x)->slave_priv) - -extern int ch7006_debug; -extern char *ch7006_tv_norm; -extern int ch7006_scale; - -extern const char * const ch7006_tv_norm_names[]; -extern const struct ch7006_tv_norm_info ch7006_tv_norms[]; -extern const struct ch7006_mode ch7006_modes[]; - -const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder, - const struct drm_display_mode *drm_mode); - -void ch7006_setup_levels(struct drm_encoder *encoder); -void ch7006_setup_subcarrier(struct drm_encoder *encoder); -void ch7006_setup_pll(struct drm_encoder *encoder); -void ch7006_setup_power_state(struct drm_encoder *encoder); -void ch7006_setup_properties(struct drm_encoder *encoder); - -void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val); -uint8_t ch7006_read(struct i2c_client *client, uint8_t addr); - -void ch7006_state_load(struct i2c_client *client, - struct ch7006_state *state); -void ch7006_state_save(struct i2c_client *client, - struct ch7006_state *state); - -/* Some helper macros */ - -#define ch7006_dbg(client, format, ...) do { \ - if (ch7006_debug) \ - dev_printk(KERN_DEBUG, &client->dev, \ - "%s: " format, __func__, ## __VA_ARGS__); \ - } while (0) -#define ch7006_info(client, format, ...) \ - dev_info(&client->dev, format, __VA_ARGS__) -#define ch7006_err(client, format, ...) \ - dev_err(&client->dev, format, __VA_ARGS__) - -#define __mask(src, bitfield) \ - (((2 << (1 ? bitfield)) - 1) & ~((1 << (0 ? bitfield)) - 1)) -#define mask(bitfield) __mask(bitfield) - -#define __bitf(src, bitfield, x) \ - (((x) >> (src) << (0 ? bitfield)) & __mask(src, bitfield)) -#define bitf(bitfield, x) __bitf(bitfield, x) -#define bitfs(bitfield, s) __bitf(bitfield, bitfield##_##s) -#define setbitf(state, reg, bitfield, x) \ - state->regs[reg] = (state->regs[reg] & ~mask(reg##_##bitfield)) \ - | bitf(reg##_##bitfield, x) - -#define __unbitf(src, bitfield, x) \ - ((x & __mask(src, bitfield)) >> (0 ? bitfield) << (src)) -#define unbitf(bitfield, x) __unbitf(bitfield, x) - -static inline int interpolate(int y0, int y1, int y2, int x) -{ - return y1 + (x < 50 ? y1 - y0 : y2 - y1) * (x - 50) / 50; -} - -static inline int32_t round_fixed(fixed x) -{ - return (x + fixed1/2) >> 32; -} - -#define ch7006_load_reg(client, state, reg) ch7006_write(client, reg, state->regs[reg]) -#define ch7006_save_reg(client, state, reg) state->regs[reg] = ch7006_read(client, reg) - -/* Fixed hardware specs */ - -#define CH7006_FREQ0 14318 -#define CH7006_MAXN 650 -#define CH7006_MAXM 315 - -/* Register definitions */ - -#define CH7006_DISPMODE 0x00 -#define CH7006_DISPMODE_INPUT_RES 0, 7:5 -#define CH7006_DISPMODE_INPUT_RES_512x384 0x0 -#define CH7006_DISPMODE_INPUT_RES_720x400 0x1 -#define CH7006_DISPMODE_INPUT_RES_640x400 0x2 -#define CH7006_DISPMODE_INPUT_RES_640x480 0x3 -#define CH7006_DISPMODE_INPUT_RES_800x600 0x4 -#define CH7006_DISPMODE_INPUT_RES_NATIVE 0x5 -#define CH7006_DISPMODE_OUTPUT_STD 0, 4:3 -#define CH7006_DISPMODE_OUTPUT_STD_PAL 0x0 -#define CH7006_DISPMODE_OUTPUT_STD_NTSC 0x1 -#define CH7006_DISPMODE_OUTPUT_STD_PAL_M 0x2 -#define CH7006_DISPMODE_OUTPUT_STD_NTSC_J 0x3 -#define CH7006_DISPMODE_SCALING_RATIO 0, 2:0 -#define CH7006_DISPMODE_SCALING_RATIO_5_4 0x0 -#define CH7006_DISPMODE_SCALING_RATIO_1_1 0x1 -#define CH7006_DISPMODE_SCALING_RATIO_7_8 0x2 -#define CH7006_DISPMODE_SCALING_RATIO_5_6 0x3 -#define CH7006_DISPMODE_SCALING_RATIO_3_4 0x4 -#define CH7006_DISPMODE_SCALING_RATIO_7_10 0x5 - -#define CH7006_FFILTER 0x01 -#define CH7006_FFILTER_TEXT 0, 5:4 -#define CH7006_FFILTER_LUMA 0, 3:2 -#define CH7006_FFILTER_CHROMA 0, 1:0 -#define CH7006_FFILTER_CHROMA_NO_DCRAWL 0x3 - -#define CH7006_BWIDTH 0x03 -#define CH7006_BWIDTH_5L_FFILER (1 << 7) -#define CH7006_BWIDTH_CVBS_NO_CHROMA (1 << 6) -#define CH7006_BWIDTH_CHROMA 0, 5:4 -#define CH7006_BWIDTH_SVIDEO_YPEAK (1 << 3) -#define CH7006_BWIDTH_SVIDEO_LUMA 0, 2:1 -#define CH7006_BWIDTH_CVBS_LUMA 0, 0:0 - -#define CH7006_INPUT_FORMAT 0x04 -#define CH7006_INPUT_FORMAT_DAC_GAIN (1 << 6) -#define CH7006_INPUT_FORMAT_RGB_PASS_THROUGH (1 << 5) -#define CH7006_INPUT_FORMAT_FORMAT 0, 3:0 -#define CH7006_INPUT_FORMAT_FORMAT_RGB16 0x0 -#define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m16 0x1 -#define CH7006_INPUT_FORMAT_FORMAT_RGB24m16 0x2 -#define CH7006_INPUT_FORMAT_FORMAT_RGB15 0x3 -#define CH7006_INPUT_FORMAT_FORMAT_RGB24m12C 0x4 -#define CH7006_INPUT_FORMAT_FORMAT_RGB24m12I 0x5 -#define CH7006_INPUT_FORMAT_FORMAT_RGB24m8 0x6 -#define CH7006_INPUT_FORMAT_FORMAT_RGB16m8 0x7 -#define CH7006_INPUT_FORMAT_FORMAT_RGB15m8 0x8 -#define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m8 0x9 - -#define CH7006_CLKMODE 0x06 -#define CH7006_CLKMODE_SUBC_LOCK (1 << 7) -#define CH7006_CLKMODE_MASTER (1 << 6) -#define CH7006_CLKMODE_POS_EDGE (1 << 4) -#define CH7006_CLKMODE_XCM 0, 3:2 -#define CH7006_CLKMODE_PCM 0, 1:0 - -#define CH7006_START_ACTIVE 0x07 -#define CH7006_START_ACTIVE_0 0, 7:0 - -#define CH7006_POV 0x08 -#define CH7006_POV_START_ACTIVE_8 8, 2:2 -#define CH7006_POV_HPOS_8 8, 1:1 -#define CH7006_POV_VPOS_8 8, 0:0 - -#define CH7006_BLACK_LEVEL 0x09 -#define CH7006_BLACK_LEVEL_0 0, 7:0 - -#define CH7006_HPOS 0x0a -#define CH7006_HPOS_0 0, 7:0 - -#define CH7006_VPOS 0x0b -#define CH7006_VPOS_0 0, 7:0 - -#define CH7006_INPUT_SYNC 0x0d -#define CH7006_INPUT_SYNC_EMBEDDED (1 << 3) -#define CH7006_INPUT_SYNC_OUTPUT (1 << 2) -#define CH7006_INPUT_SYNC_PVSYNC (1 << 1) -#define CH7006_INPUT_SYNC_PHSYNC (1 << 0) - -#define CH7006_POWER 0x0e -#define CH7006_POWER_SCART (1 << 4) -#define CH7006_POWER_RESET (1 << 3) -#define CH7006_POWER_LEVEL 0, 2:0 -#define CH7006_POWER_LEVEL_CVBS_OFF 0x0 -#define CH7006_POWER_LEVEL_POWER_OFF 0x1 -#define CH7006_POWER_LEVEL_SVIDEO_OFF 0x2 -#define CH7006_POWER_LEVEL_NORMAL 0x3 -#define CH7006_POWER_LEVEL_FULL_POWER_OFF 0x4 - -#define CH7006_DETECT 0x10 -#define CH7006_DETECT_SVIDEO_Y_TEST (1 << 3) -#define CH7006_DETECT_SVIDEO_C_TEST (1 << 2) -#define CH7006_DETECT_CVBS_TEST (1 << 1) -#define CH7006_DETECT_SENSE (1 << 0) - -#define CH7006_CONTRAST 0x11 -#define CH7006_CONTRAST_0 0, 2:0 - -#define CH7006_PLLOV 0x13 -#define CH7006_PLLOV_N_8 8, 2:1 -#define CH7006_PLLOV_M_8 8, 0:0 - -#define CH7006_PLLM 0x14 -#define CH7006_PLLM_0 0, 7:0 - -#define CH7006_PLLN 0x15 -#define CH7006_PLLN_0 0, 7:0 - -#define CH7006_BCLKOUT 0x17 - -#define CH7006_SUBC_INC0 0x18 -#define CH7006_SUBC_INC0_28 28, 3:0 - -#define CH7006_SUBC_INC1 0x19 -#define CH7006_SUBC_INC1_24 24, 3:0 - -#define CH7006_SUBC_INC2 0x1a -#define CH7006_SUBC_INC2_20 20, 3:0 - -#define CH7006_SUBC_INC3 0x1b -#define CH7006_SUBC_INC3_GPIO1_VAL (1 << 7) -#define CH7006_SUBC_INC3_GPIO0_VAL (1 << 6) -#define CH7006_SUBC_INC3_POUT_3_3V (1 << 5) -#define CH7006_SUBC_INC3_POUT_INV (1 << 4) -#define CH7006_SUBC_INC3_16 16, 3:0 - -#define CH7006_SUBC_INC4 0x1c -#define CH7006_SUBC_INC4_GPIO1_IN (1 << 7) -#define CH7006_SUBC_INC4_GPIO0_IN (1 << 6) -#define CH7006_SUBC_INC4_DS_INPUT (1 << 4) -#define CH7006_SUBC_INC4_12 12, 3:0 - -#define CH7006_SUBC_INC5 0x1d -#define CH7006_SUBC_INC5_8 8, 3:0 - -#define CH7006_SUBC_INC6 0x1e -#define CH7006_SUBC_INC6_4 4, 3:0 - -#define CH7006_SUBC_INC7 0x1f -#define CH7006_SUBC_INC7_0 0, 3:0 - -#define CH7006_PLL_CONTROL 0x20 -#define CH7006_PLL_CONTROL_CPI (1 << 5) -#define CH7006_PLL_CONTROL_CAPACITOR (1 << 4) -#define CH7006_PLL_CONTROL_7STAGES (1 << 3) -#define CH7006_PLL_CONTROL_DIGITAL_5V (1 << 2) -#define CH7006_PLL_CONTROL_ANALOG_5V (1 << 1) -#define CH7006_PLL_CONTROL_MEMORY_5V (1 << 0) - -#define CH7006_CALC_SUBC_INC0 0x21 -#define CH7006_CALC_SUBC_INC0_24 24, 4:3 -#define CH7006_CALC_SUBC_INC0_HYST 0, 2:1 -#define CH7006_CALC_SUBC_INC0_AUTO (1 << 0) - -#define CH7006_CALC_SUBC_INC1 0x22 -#define CH7006_CALC_SUBC_INC1_16 16, 7:0 - -#define CH7006_CALC_SUBC_INC2 0x23 -#define CH7006_CALC_SUBC_INC2_8 8, 7:0 - -#define CH7006_CALC_SUBC_INC3 0x24 -#define CH7006_CALC_SUBC_INC3_0 0, 7:0 - -#define CH7006_VERSION_ID 0x25 - -#endif diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c deleted file mode 100644 index ff23422727fc..000000000000 --- a/drivers/gpu/drm/i2c/sil164_drv.c +++ /dev/null @@ -1,451 +0,0 @@ -/* - * Copyright (C) 2010 Francisco Jerez. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include <linux/module.h> - -#include <drm/drm_drv.h> -#include <drm/drm_encoder_slave.h> -#include <drm/drm_print.h> -#include <drm/drm_probe_helper.h> -#include <drm/i2c/sil164.h> - -struct sil164_priv { - struct sil164_encoder_params config; - struct i2c_client *duallink_slave; - - uint8_t saved_state[0x10]; - uint8_t saved_slave_state[0x10]; -}; - -#define to_sil164_priv(x) \ - ((struct sil164_priv *)to_encoder_slave(x)->slave_priv) - -#define sil164_dbg(client, format, ...) do { \ - if (drm_debug_enabled(DRM_UT_KMS)) \ - dev_printk(KERN_DEBUG, &client->dev, \ - "%s: " format, __func__, ## __VA_ARGS__); \ - } while (0) -#define sil164_info(client, format, ...) \ - dev_info(&client->dev, format, __VA_ARGS__) -#define sil164_err(client, format, ...) \ - dev_err(&client->dev, format, __VA_ARGS__) - -#define SIL164_I2C_ADDR_MASTER 0x38 -#define SIL164_I2C_ADDR_SLAVE 0x39 - -/* HW register definitions */ - -#define SIL164_VENDOR_LO 0x0 -#define SIL164_VENDOR_HI 0x1 -#define SIL164_DEVICE_LO 0x2 -#define SIL164_DEVICE_HI 0x3 -#define SIL164_REVISION 0x4 -#define SIL164_FREQ_MIN 0x6 -#define SIL164_FREQ_MAX 0x7 -#define SIL164_CONTROL0 0x8 -# define SIL164_CONTROL0_POWER_ON 0x01 -# define SIL164_CONTROL0_EDGE_RISING 0x02 -# define SIL164_CONTROL0_INPUT_24BIT 0x04 -# define SIL164_CONTROL0_DUAL_EDGE 0x08 -# define SIL164_CONTROL0_HSYNC_ON 0x10 -# define SIL164_CONTROL0_VSYNC_ON 0x20 -#define SIL164_DETECT 0x9 -# define SIL164_DETECT_INTR_STAT 0x01 -# define SIL164_DETECT_HOTPLUG_STAT 0x02 -# define SIL164_DETECT_RECEIVER_STAT 0x04 -# define SIL164_DETECT_INTR_MODE_RECEIVER 0x00 -# define SIL164_DETECT_INTR_MODE_HOTPLUG 0x08 -# define SIL164_DETECT_OUT_MODE_HIGH 0x00 -# define SIL164_DETECT_OUT_MODE_INTR 0x10 -# define SIL164_DETECT_OUT_MODE_RECEIVER 0x20 -# define SIL164_DETECT_OUT_MODE_HOTPLUG 0x30 -# define SIL164_DETECT_VSWING_STAT 0x80 -#define SIL164_CONTROL1 0xa -# define SIL164_CONTROL1_DESKEW_ENABLE 0x10 -# define SIL164_CONTROL1_DESKEW_INCR_SHIFT 5 -#define SIL164_GPIO 0xb -#define SIL164_CONTROL2 0xc -# define SIL164_CONTROL2_FILTER_ENABLE 0x01 -# define SIL164_CONTROL2_FILTER_SETTING_SHIFT 1 -# define SIL164_CONTROL2_DUALLINK_MASTER 0x40 -# define SIL164_CONTROL2_SYNC_CONT 0x80 -#define SIL164_DUALLINK 0xd -# define SIL164_DUALLINK_ENABLE 0x10 -# define SIL164_DUALLINK_SKEW_SHIFT 5 -#define SIL164_PLLZONE 0xe -# define SIL164_PLLZONE_STAT 0x08 -# define SIL164_PLLZONE_FORCE_ON 0x10 -# define SIL164_PLLZONE_FORCE_HIGH 0x20 - -/* HW access functions */ - -static void -sil164_write(struct i2c_client *client, uint8_t addr, uint8_t val) -{ - uint8_t buf[] = {addr, val}; - int ret; - - ret = i2c_master_send(client, buf, ARRAY_SIZE(buf)); - if (ret < 0) - sil164_err(client, "Error %d writing to subaddress 0x%x\n", - ret, addr); -} - -static uint8_t -sil164_read(struct i2c_client *client, uint8_t addr) -{ - uint8_t val; - int ret; - - ret = i2c_master_send(client, &addr, sizeof(addr)); - if (ret < 0) - goto fail; - - ret = i2c_master_recv(client, &val, sizeof(val)); - if (ret < 0) - goto fail; - - return val; - -fail: - sil164_err(client, "Error %d reading from subaddress 0x%x\n", - ret, addr); - return 0; -} - -static void -sil164_save_state(struct i2c_client *client, uint8_t *state) -{ - int i; - - for (i = 0x8; i <= 0xe; i++) - state[i] = sil164_read(client, i); -} - -static void -sil164_restore_state(struct i2c_client *client, uint8_t *state) -{ - int i; - - for (i = 0x8; i <= 0xe; i++) - sil164_write(client, i, state[i]); -} - -static void -sil164_set_power_state(struct i2c_client *client, bool on) -{ - uint8_t control0 = sil164_read(client, SIL164_CONTROL0); - - if (on) - control0 |= SIL164_CONTROL0_POWER_ON; - else - control0 &= ~SIL164_CONTROL0_POWER_ON; - - sil164_write(client, SIL164_CONTROL0, control0); -} - -static void -sil164_init_state(struct i2c_client *client, - struct sil164_encoder_params *config, - bool duallink) -{ - sil164_write(client, SIL164_CONTROL0, - SIL164_CONTROL0_HSYNC_ON | - SIL164_CONTROL0_VSYNC_ON | - (config->input_edge ? SIL164_CONTROL0_EDGE_RISING : 0) | - (config->input_width ? SIL164_CONTROL0_INPUT_24BIT : 0) | - (config->input_dual ? SIL164_CONTROL0_DUAL_EDGE : 0)); - - sil164_write(client, SIL164_DETECT, - SIL164_DETECT_INTR_STAT | - SIL164_DETECT_OUT_MODE_RECEIVER); - - sil164_write(client, SIL164_CONTROL1, - (config->input_skew ? SIL164_CONTROL1_DESKEW_ENABLE : 0) | - (((config->input_skew + 4) & 0x7) - << SIL164_CONTROL1_DESKEW_INCR_SHIFT)); - - sil164_write(client, SIL164_CONTROL2, - SIL164_CONTROL2_SYNC_CONT | - (config->pll_filter ? 0 : SIL164_CONTROL2_FILTER_ENABLE) | - (4 << SIL164_CONTROL2_FILTER_SETTING_SHIFT)); - - sil164_write(client, SIL164_PLLZONE, 0); - - if (duallink) - sil164_write(client, SIL164_DUALLINK, - SIL164_DUALLINK_ENABLE | - (((config->duallink_skew + 4) & 0x7) - << SIL164_DUALLINK_SKEW_SHIFT)); - else - sil164_write(client, SIL164_DUALLINK, 0); -} - -/* DRM encoder functions */ - -static void -sil164_encoder_set_config(struct drm_encoder *encoder, void *params) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - - priv->config = *(struct sil164_encoder_params *)params; -} - -static void -sil164_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - bool on = (mode == DRM_MODE_DPMS_ON); - bool duallink = (on && encoder->crtc->mode.clock > 165000); - - sil164_set_power_state(drm_i2c_encoder_get_client(encoder), on); - - if (priv->duallink_slave) - sil164_set_power_state(priv->duallink_slave, duallink); -} - -static void -sil164_encoder_save(struct drm_encoder *encoder) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - - sil164_save_state(drm_i2c_encoder_get_client(encoder), - priv->saved_state); - - if (priv->duallink_slave) - sil164_save_state(priv->duallink_slave, - priv->saved_slave_state); -} - -static void -sil164_encoder_restore(struct drm_encoder *encoder) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - - sil164_restore_state(drm_i2c_encoder_get_client(encoder), - priv->saved_state); - - if (priv->duallink_slave) - sil164_restore_state(priv->duallink_slave, - priv->saved_slave_state); -} - -static int -sil164_encoder_mode_valid(struct drm_encoder *encoder, - struct drm_display_mode *mode) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - - if (mode->clock < 32000) - return MODE_CLOCK_LOW; - - if (mode->clock > 330000 || - (mode->clock > 165000 && !priv->duallink_slave)) - return MODE_CLOCK_HIGH; - - return MODE_OK; -} - -static void -sil164_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - bool duallink = adjusted_mode->clock > 165000; - - sil164_init_state(drm_i2c_encoder_get_client(encoder), - &priv->config, duallink); - - if (priv->duallink_slave) - sil164_init_state(priv->duallink_slave, - &priv->config, duallink); - - sil164_encoder_dpms(encoder, DRM_MODE_DPMS_ON); -} - -static enum drm_connector_status -sil164_encoder_detect(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - - if (sil164_read(client, SIL164_DETECT) & SIL164_DETECT_HOTPLUG_STAT) - return connector_status_connected; - else - return connector_status_disconnected; -} - -static int -sil164_encoder_get_modes(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - return 0; -} - -static int -sil164_encoder_create_resources(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - return 0; -} - -static int -sil164_encoder_set_property(struct drm_encoder *encoder, - struct drm_connector *connector, - struct drm_property *property, - uint64_t val) -{ - return 0; -} - -static void -sil164_encoder_destroy(struct drm_encoder *encoder) -{ - struct sil164_priv *priv = to_sil164_priv(encoder); - - i2c_unregister_device(priv->duallink_slave); - - kfree(priv); - drm_i2c_encoder_destroy(encoder); -} - -static const struct drm_encoder_slave_funcs sil164_encoder_funcs = { - .set_config = sil164_encoder_set_config, - .destroy = sil164_encoder_destroy, - .dpms = sil164_encoder_dpms, - .save = sil164_encoder_save, - .restore = sil164_encoder_restore, - .mode_valid = sil164_encoder_mode_valid, - .mode_set = sil164_encoder_mode_set, - .detect = sil164_encoder_detect, - .get_modes = sil164_encoder_get_modes, - .create_resources = sil164_encoder_create_resources, - .set_property = sil164_encoder_set_property, -}; - -/* I2C driver functions */ - -static int -sil164_probe(struct i2c_client *client) -{ - int vendor = sil164_read(client, SIL164_VENDOR_HI) << 8 | - sil164_read(client, SIL164_VENDOR_LO); - int device = sil164_read(client, SIL164_DEVICE_HI) << 8 | - sil164_read(client, SIL164_DEVICE_LO); - int rev = sil164_read(client, SIL164_REVISION); - - if (vendor != 0x1 || device != 0x6) { - sil164_dbg(client, "Unknown device %x:%x.%x\n", - vendor, device, rev); - return -ENODEV; - } - - sil164_info(client, "Detected device %x:%x.%x\n", - vendor, device, rev); - - return 0; -} - -static struct i2c_client * -sil164_detect_slave(struct i2c_client *client) -{ - struct i2c_adapter *adap = client->adapter; - struct i2c_msg msg = { - .addr = SIL164_I2C_ADDR_SLAVE, - .len = 0, - }; - const struct i2c_board_info info = { - I2C_BOARD_INFO("sil164", SIL164_I2C_ADDR_SLAVE) - }; - - if (i2c_transfer(adap, &msg, 1) != 1) { - sil164_dbg(adap, "No dual-link slave found."); - return NULL; - } - - return i2c_new_client_device(adap, &info); -} - -static int -sil164_encoder_init(struct i2c_client *client, - struct drm_device *dev, - struct drm_encoder_slave *encoder) -{ - struct sil164_priv *priv; - struct i2c_client *slave_client; - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - encoder->slave_priv = priv; - encoder->slave_funcs = &sil164_encoder_funcs; - - slave_client = sil164_detect_slave(client); - if (!IS_ERR(slave_client)) - priv->duallink_slave = slave_client; - - return 0; -} - -static const struct i2c_device_id sil164_ids[] = { - { "sil164", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, sil164_ids); - -static struct drm_i2c_encoder_driver sil164_driver = { - .i2c_driver = { - .probe = sil164_probe, - .driver = { - .name = "sil164", - }, - .id_table = sil164_ids, - }, - .encoder_init = sil164_encoder_init, -}; - -/* Module initialization */ - -static int __init -sil164_init(void) -{ - return drm_i2c_encoder_register(THIS_MODULE, &sil164_driver); -} - -static void __exit -sil164_exit(void) -{ - drm_i2c_encoder_unregister(&sil164_driver); -} - -MODULE_AUTHOR("Francisco Jerez <currojerez@riseup.net>"); -MODULE_DESCRIPTION("Silicon Image sil164 TMDS transmitter driver"); -MODULE_LICENSE("GPL and additional rights"); - -module_init(sil164_init); -module_exit(sil164_exit); diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c deleted file mode 100644 index 82d618c40dce..000000000000 --- a/drivers/gpu/drm/i2c/tda9950.c +++ /dev/null @@ -1,507 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * TDA9950 Consumer Electronics Control driver - * - * The NXP TDA9950 implements the HDMI Consumer Electronics Control - * interface. The host interface is similar to a mailbox: the data - * registers starting at REG_CDR0 are written to send a command to the - * internal CPU, and replies are read from these registers. - * - * As the data registers represent a mailbox, they must be accessed - * as a single I2C transaction. See the TDA9950 data sheet for details. - */ -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/platform_data/tda9950.h> -#include <linux/slab.h> -#include <drm/drm_edid.h> -#include <media/cec.h> -#include <media/cec-notifier.h> - -enum { - REG_CSR = 0x00, - CSR_BUSY = BIT(7), - CSR_INT = BIT(6), - CSR_ERR = BIT(5), - - REG_CER = 0x01, - - REG_CVR = 0x02, - - REG_CCR = 0x03, - CCR_RESET = BIT(7), - CCR_ON = BIT(6), - - REG_ACKH = 0x04, - REG_ACKL = 0x05, - - REG_CCONR = 0x06, - CCONR_ENABLE_ERROR = BIT(4), - CCONR_RETRY_MASK = 7, - - REG_CDR0 = 0x07, - - CDR1_REQ = 0x00, - CDR1_CNF = 0x01, - CDR1_IND = 0x81, - CDR1_ERR = 0x82, - CDR1_IER = 0x83, - - CDR2_CNF_SUCCESS = 0x00, - CDR2_CNF_OFF_STATE = 0x80, - CDR2_CNF_BAD_REQ = 0x81, - CDR2_CNF_CEC_ACCESS = 0x82, - CDR2_CNF_ARB_ERROR = 0x83, - CDR2_CNF_BAD_TIMING = 0x84, - CDR2_CNF_NACK_ADDR = 0x85, - CDR2_CNF_NACK_DATA = 0x86, -}; - -struct tda9950_priv { - struct i2c_client *client; - struct device *hdmi; - struct cec_adapter *adap; - struct tda9950_glue *glue; - u16 addresses; - struct cec_msg rx_msg; - struct cec_notifier *notify; - bool open; -}; - -static int tda9950_write_range(struct i2c_client *client, u8 addr, u8 *p, int cnt) -{ - struct i2c_msg msg; - u8 buf[CEC_MAX_MSG_SIZE + 3]; - int ret; - - if (WARN_ON(cnt > sizeof(buf) - 1)) - return -EINVAL; - - buf[0] = addr; - memcpy(buf + 1, p, cnt); - - msg.addr = client->addr; - msg.flags = 0; - msg.len = cnt + 1; - msg.buf = buf; - - dev_dbg(&client->dev, "wr 0x%02x: %*ph\n", addr, cnt, p); - - ret = i2c_transfer(client->adapter, &msg, 1); - if (ret < 0) - dev_err(&client->dev, "Error %d writing to cec:0x%x\n", ret, addr); - return ret < 0 ? ret : 0; -} - -static void tda9950_write(struct i2c_client *client, u8 addr, u8 val) -{ - tda9950_write_range(client, addr, &val, 1); -} - -static int tda9950_read_range(struct i2c_client *client, u8 addr, u8 *p, int cnt) -{ - struct i2c_msg msg[2]; - int ret; - - msg[0].addr = client->addr; - msg[0].flags = 0; - msg[0].len = 1; - msg[0].buf = &addr; - msg[1].addr = client->addr; - msg[1].flags = I2C_M_RD; - msg[1].len = cnt; - msg[1].buf = p; - - ret = i2c_transfer(client->adapter, msg, 2); - if (ret < 0) - dev_err(&client->dev, "Error %d reading from cec:0x%x\n", ret, addr); - - dev_dbg(&client->dev, "rd 0x%02x: %*ph\n", addr, cnt, p); - - return ret; -} - -static u8 tda9950_read(struct i2c_client *client, u8 addr) -{ - int ret; - u8 val; - - ret = tda9950_read_range(client, addr, &val, 1); - if (ret < 0) - val = 0; - - return val; -} - -static irqreturn_t tda9950_irq(int irq, void *data) -{ - struct tda9950_priv *priv = data; - unsigned int tx_status; - u8 csr, cconr, buf[19]; - u8 arb_lost_cnt, nack_cnt, err_cnt; - - if (!priv->open) - return IRQ_NONE; - - csr = tda9950_read(priv->client, REG_CSR); - if (!(csr & CSR_INT)) - return IRQ_NONE; - - cconr = tda9950_read(priv->client, REG_CCONR) & CCONR_RETRY_MASK; - - tda9950_read_range(priv->client, REG_CDR0, buf, sizeof(buf)); - - /* - * This should never happen: the data sheet says that there will - * always be a valid message if the interrupt line is asserted. - */ - if (buf[0] == 0) { - dev_warn(&priv->client->dev, "interrupt pending, but no message?\n"); - return IRQ_NONE; - } - - switch (buf[1]) { - case CDR1_CNF: /* transmit result */ - arb_lost_cnt = nack_cnt = err_cnt = 0; - switch (buf[2]) { - case CDR2_CNF_SUCCESS: - tx_status = CEC_TX_STATUS_OK; - break; - - case CDR2_CNF_ARB_ERROR: - tx_status = CEC_TX_STATUS_ARB_LOST; - arb_lost_cnt = cconr; - break; - - case CDR2_CNF_NACK_ADDR: - tx_status = CEC_TX_STATUS_NACK; - nack_cnt = cconr; - break; - - default: /* some other error, refer to TDA9950 docs */ - dev_err(&priv->client->dev, "CNF reply error 0x%02x\n", - buf[2]); - tx_status = CEC_TX_STATUS_ERROR; - err_cnt = cconr; - break; - } - /* TDA9950 executes all retries for us */ - if (tx_status != CEC_TX_STATUS_OK) - tx_status |= CEC_TX_STATUS_MAX_RETRIES; - cec_transmit_done(priv->adap, tx_status, arb_lost_cnt, - nack_cnt, 0, err_cnt); - break; - - case CDR1_IND: - priv->rx_msg.len = buf[0] - 2; - if (priv->rx_msg.len > CEC_MAX_MSG_SIZE) - priv->rx_msg.len = CEC_MAX_MSG_SIZE; - - memcpy(priv->rx_msg.msg, buf + 2, priv->rx_msg.len); - cec_received_msg(priv->adap, &priv->rx_msg); - break; - - default: /* unknown */ - dev_err(&priv->client->dev, "unknown service id 0x%02x\n", - buf[1]); - break; - } - - return IRQ_HANDLED; -} - -static int tda9950_cec_transmit(struct cec_adapter *adap, u8 attempts, - u32 signal_free_time, struct cec_msg *msg) -{ - struct tda9950_priv *priv = adap->priv; - u8 buf[CEC_MAX_MSG_SIZE + 2]; - - buf[0] = 2 + msg->len; - buf[1] = CDR1_REQ; - memcpy(buf + 2, msg->msg, msg->len); - - if (attempts > 5) - attempts = 5; - - tda9950_write(priv->client, REG_CCONR, attempts); - - return tda9950_write_range(priv->client, REG_CDR0, buf, 2 + msg->len); -} - -static int tda9950_cec_adap_log_addr(struct cec_adapter *adap, u8 addr) -{ - struct tda9950_priv *priv = adap->priv; - u16 addresses; - u8 buf[2]; - - if (addr == CEC_LOG_ADDR_INVALID) - addresses = priv->addresses = 0; - else - addresses = priv->addresses |= BIT(addr); - - /* TDA9950 doesn't want address 15 set */ - addresses &= 0x7fff; - buf[0] = addresses >> 8; - buf[1] = addresses; - - return tda9950_write_range(priv->client, REG_ACKH, buf, 2); -} - -/* - * When operating as part of the TDA998x, we need additional handling - * to initialise and shut down the TDA9950 part of the device. These - * two hooks are provided to allow the TDA998x code to perform those - * activities. - */ -static int tda9950_glue_open(struct tda9950_priv *priv) -{ - int ret = 0; - - if (priv->glue && priv->glue->open) - ret = priv->glue->open(priv->glue->data); - - priv->open = true; - - return ret; -} - -static void tda9950_glue_release(struct tda9950_priv *priv) -{ - priv->open = false; - - if (priv->glue && priv->glue->release) - priv->glue->release(priv->glue->data); -} - -static int tda9950_open(struct tda9950_priv *priv) -{ - struct i2c_client *client = priv->client; - int ret; - - ret = tda9950_glue_open(priv); - if (ret) - return ret; - - /* Reset the TDA9950, and wait 250ms for it to recover */ - tda9950_write(client, REG_CCR, CCR_RESET); - msleep(250); - - tda9950_cec_adap_log_addr(priv->adap, CEC_LOG_ADDR_INVALID); - - /* Start the command processor */ - tda9950_write(client, REG_CCR, CCR_ON); - - return 0; -} - -static void tda9950_release(struct tda9950_priv *priv) -{ - struct i2c_client *client = priv->client; - int timeout = 50; - u8 csr; - - /* Stop the command processor */ - tda9950_write(client, REG_CCR, 0); - - /* Wait up to .5s for it to signal non-busy */ - do { - csr = tda9950_read(client, REG_CSR); - if (!(csr & CSR_BUSY) || !--timeout) - break; - msleep(10); - } while (1); - - /* Warn the user that their IRQ may die if it's shared. */ - if (csr & CSR_BUSY) - dev_warn(&client->dev, "command processor failed to stop, irq%d may die (csr=0x%02x)\n", - client->irq, csr); - - tda9950_glue_release(priv); -} - -static int tda9950_cec_adap_enable(struct cec_adapter *adap, bool enable) -{ - struct tda9950_priv *priv = adap->priv; - - if (!enable) { - tda9950_release(priv); - return 0; - } else { - return tda9950_open(priv); - } -} - -static const struct cec_adap_ops tda9950_cec_ops = { - .adap_enable = tda9950_cec_adap_enable, - .adap_log_addr = tda9950_cec_adap_log_addr, - .adap_transmit = tda9950_cec_transmit, -}; - -/* - * When operating as part of the TDA998x, we need to claim additional - * resources. These two hooks permit the management of those resources. - */ -static void tda9950_devm_glue_exit(void *data) -{ - struct tda9950_glue *glue = data; - - if (glue && glue->exit) - glue->exit(glue->data); -} - -static int tda9950_devm_glue_init(struct device *dev, struct tda9950_glue *glue) -{ - int ret; - - if (glue && glue->init) { - ret = glue->init(glue->data); - if (ret) - return ret; - } - - ret = devm_add_action(dev, tda9950_devm_glue_exit, glue); - if (ret) - tda9950_devm_glue_exit(glue); - - return ret; -} - -static void tda9950_cec_del(void *data) -{ - struct tda9950_priv *priv = data; - - cec_delete_adapter(priv->adap); -} - -static int tda9950_probe(struct i2c_client *client) -{ - struct tda9950_glue *glue = client->dev.platform_data; - struct device *dev = &client->dev; - struct tda9950_priv *priv; - unsigned long irqflags; - int ret; - u8 cvr; - - /* - * We must have I2C functionality: our multi-byte accesses - * must be performed as a single contiguous transaction. - */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_err(&client->dev, - "adapter does not support I2C functionality\n"); - return -ENXIO; - } - - /* We must have an interrupt to be functional. */ - if (client->irq <= 0) { - dev_err(&client->dev, "driver requires an interrupt\n"); - return -ENXIO; - } - - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->client = client; - priv->glue = glue; - - i2c_set_clientdata(client, priv); - - /* - * If we're part of a TDA998x, we want the class devices to be - * associated with the HDMI Tx so we have a tight relationship - * between the HDMI interface and the CEC interface. - */ - priv->hdmi = dev; - if (glue && glue->parent) - priv->hdmi = glue->parent; - - priv->adap = cec_allocate_adapter(&tda9950_cec_ops, priv, "tda9950", - CEC_CAP_DEFAULTS | - CEC_CAP_CONNECTOR_INFO, - CEC_MAX_LOG_ADDRS); - if (IS_ERR(priv->adap)) - return PTR_ERR(priv->adap); - - ret = devm_add_action(dev, tda9950_cec_del, priv); - if (ret) { - cec_delete_adapter(priv->adap); - return ret; - } - - ret = tda9950_devm_glue_init(dev, glue); - if (ret) - return ret; - - ret = tda9950_glue_open(priv); - if (ret) - return ret; - - cvr = tda9950_read(client, REG_CVR); - - dev_info(&client->dev, - "TDA9950 CEC interface, hardware version %u.%u\n", - cvr >> 4, cvr & 15); - - tda9950_glue_release(priv); - - irqflags = IRQF_TRIGGER_FALLING; - if (glue) - irqflags = glue->irq_flags; - - ret = devm_request_threaded_irq(dev, client->irq, NULL, tda9950_irq, - irqflags | IRQF_SHARED | IRQF_ONESHOT, - dev_name(&client->dev), priv); - if (ret < 0) - return ret; - - priv->notify = cec_notifier_cec_adap_register(priv->hdmi, NULL, - priv->adap); - if (!priv->notify) - return -ENOMEM; - - ret = cec_register_adapter(priv->adap, priv->hdmi); - if (ret < 0) { - cec_notifier_cec_adap_unregister(priv->notify, priv->adap); - return ret; - } - - /* - * CEC documentation says we must not call cec_delete_adapter - * after a successful call to cec_register_adapter(). - */ - devm_remove_action(dev, tda9950_cec_del, priv); - - return 0; -} - -static void tda9950_remove(struct i2c_client *client) -{ - struct tda9950_priv *priv = i2c_get_clientdata(client); - - cec_notifier_cec_adap_unregister(priv->notify, priv->adap); - cec_unregister_adapter(priv->adap); -} - -static struct i2c_device_id tda9950_ids[] = { - { "tda9950", 0 }, - { }, -}; -MODULE_DEVICE_TABLE(i2c, tda9950_ids); - -static struct i2c_driver tda9950_driver = { - .probe = tda9950_probe, - .remove = tda9950_remove, - .driver = { - .name = "tda9950", - }, - .id_table = tda9950_ids, -}; - -module_i2c_driver(tda9950_driver); - -MODULE_AUTHOR("Russell King <rmk+kernel@armlinux.org.uk>"); -MODULE_DESCRIPTION("TDA9950/TDA998x Consumer Electronics Control Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c deleted file mode 100644 index 2160f05bbd16..000000000000 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ /dev/null @@ -1,2116 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark <robdclark@gmail.com> - */ - -#include <linux/component.h> -#include <linux/gpio/consumer.h> -#include <linux/hdmi.h> -#include <linux/i2c.h> -#include <linux/module.h> -#include <linux/platform_data/tda9950.h> -#include <linux/irq.h> -#include <sound/asoundef.h> -#include <sound/hdmi-codec.h> - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_bridge.h> -#include <drm/drm_edid.h> -#include <drm/drm_of.h> -#include <drm/drm_print.h> -#include <drm/drm_probe_helper.h> -#include <drm/drm_simple_kms_helper.h> -#include <drm/i2c/tda998x.h> - -#include <media/cec-notifier.h> - -#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) - -enum { - AUDIO_ROUTE_I2S, - AUDIO_ROUTE_SPDIF, - AUDIO_ROUTE_NUM -}; - -struct tda998x_audio_route { - u8 ena_aclk; - u8 mux_ap; - u8 aip_clksel; -}; - -struct tda998x_audio_settings { - const struct tda998x_audio_route *route; - struct hdmi_audio_infoframe cea; - unsigned int sample_rate; - u8 status[5]; - u8 ena_ap; - u8 i2s_format; - u8 cts_n; -}; - -struct tda998x_priv { - struct i2c_client *cec; - struct i2c_client *hdmi; - struct mutex mutex; - u16 rev; - u8 cec_addr; - u8 current_page; - bool is_on; - bool supports_infoframes; - bool sink_has_audio; - enum hdmi_quantization_range rgb_quant_range; - u8 vip_cntrl_0; - u8 vip_cntrl_1; - u8 vip_cntrl_2; - unsigned long tmds_clock; - struct tda998x_audio_settings audio; - - struct platform_device *audio_pdev; - struct mutex audio_mutex; - - struct mutex edid_mutex; - wait_queue_head_t wq_edid; - volatile int wq_edid_wait; - - struct work_struct detect_work; - struct timer_list edid_delay_timer; - wait_queue_head_t edid_delay_waitq; - bool edid_delay_active; - - struct drm_encoder encoder; - struct drm_bridge bridge; - struct drm_connector connector; - - u8 audio_port_enable[AUDIO_ROUTE_NUM]; - struct tda9950_glue cec_glue; - struct gpio_desc *calib; - struct cec_notifier *cec_notify; -}; - -#define conn_to_tda998x_priv(x) \ - container_of(x, struct tda998x_priv, connector) -#define enc_to_tda998x_priv(x) \ - container_of(x, struct tda998x_priv, encoder) -#define bridge_to_tda998x_priv(x) \ - container_of(x, struct tda998x_priv, bridge) - -/* The TDA9988 series of devices use a paged register scheme.. to simplify - * things we encode the page # in upper bits of the register #. To read/ - * write a given register, we need to make sure CURPAGE register is set - * appropriately. Which implies reads/writes are not atomic. Fun! - */ - -#define REG(page, addr) (((page) << 8) | (addr)) -#define REG2ADDR(reg) ((reg) & 0xff) -#define REG2PAGE(reg) (((reg) >> 8) & 0xff) - -#define REG_CURPAGE 0xff /* write */ - - -/* Page 00h: General Control */ -#define REG_VERSION_LSB REG(0x00, 0x00) /* read */ -#define REG_MAIN_CNTRL0 REG(0x00, 0x01) /* read/write */ -# define MAIN_CNTRL0_SR (1 << 0) -# define MAIN_CNTRL0_DECS (1 << 1) -# define MAIN_CNTRL0_DEHS (1 << 2) -# define MAIN_CNTRL0_CECS (1 << 3) -# define MAIN_CNTRL0_CEHS (1 << 4) -# define MAIN_CNTRL0_SCALER (1 << 7) -#define REG_VERSION_MSB REG(0x00, 0x02) /* read */ -#define REG_SOFTRESET REG(0x00, 0x0a) /* write */ -# define SOFTRESET_AUDIO (1 << 0) -# define SOFTRESET_I2C_MASTER (1 << 1) -#define REG_DDC_DISABLE REG(0x00, 0x0b) /* read/write */ -#define REG_CCLK_ON REG(0x00, 0x0c) /* read/write */ -#define REG_I2C_MASTER REG(0x00, 0x0d) /* read/write */ -# define I2C_MASTER_DIS_MM (1 << 0) -# define I2C_MASTER_DIS_FILT (1 << 1) -# define I2C_MASTER_APP_STRT_LAT (1 << 2) -#define REG_FEAT_POWERDOWN REG(0x00, 0x0e) /* read/write */ -# define FEAT_POWERDOWN_PREFILT BIT(0) -# define FEAT_POWERDOWN_CSC BIT(1) -# define FEAT_POWERDOWN_SPDIF (1 << 3) -#define REG_INT_FLAGS_0 REG(0x00, 0x0f) /* read/write */ -#define REG_INT_FLAGS_1 REG(0x00, 0x10) /* read/write */ -#define REG_INT_FLAGS_2 REG(0x00, 0x11) /* read/write */ -# define INT_FLAGS_2_EDID_BLK_RD (1 << 1) -#define REG_ENA_ACLK REG(0x00, 0x16) /* read/write */ -#define REG_ENA_VP_0 REG(0x00, 0x18) /* read/write */ -#define REG_ENA_VP_1 REG(0x00, 0x19) /* read/write */ -#define REG_ENA_VP_2 REG(0x00, 0x1a) /* read/write */ -#define REG_ENA_AP REG(0x00, 0x1e) /* read/write */ -#define REG_VIP_CNTRL_0 REG(0x00, 0x20) /* write */ -# define VIP_CNTRL_0_MIRR_A (1 << 7) -# define VIP_CNTRL_0_SWAP_A(x) (((x) & 7) << 4) -# define VIP_CNTRL_0_MIRR_B (1 << 3) -# define VIP_CNTRL_0_SWAP_B(x) (((x) & 7) << 0) -#define REG_VIP_CNTRL_1 REG(0x00, 0x21) /* write */ -# define VIP_CNTRL_1_MIRR_C (1 << 7) -# define VIP_CNTRL_1_SWAP_C(x) (((x) & 7) << 4) -# define VIP_CNTRL_1_MIRR_D (1 << 3) -# define VIP_CNTRL_1_SWAP_D(x) (((x) & 7) << 0) -#define REG_VIP_CNTRL_2 REG(0x00, 0x22) /* write */ -# define VIP_CNTRL_2_MIRR_E (1 << 7) -# define VIP_CNTRL_2_SWAP_E(x) (((x) & 7) << 4) -# define VIP_CNTRL_2_MIRR_F (1 << 3) -# define VIP_CNTRL_2_SWAP_F(x) (((x) & 7) << 0) -#define REG_VIP_CNTRL_3 REG(0x00, 0x23) /* write */ -# define VIP_CNTRL_3_X_TGL (1 << 0) -# define VIP_CNTRL_3_H_TGL (1 << 1) -# define VIP_CNTRL_3_V_TGL (1 << 2) -# define VIP_CNTRL_3_EMB (1 << 3) -# define VIP_CNTRL_3_SYNC_DE (1 << 4) -# define VIP_CNTRL_3_SYNC_HS (1 << 5) -# define VIP_CNTRL_3_DE_INT (1 << 6) -# define VIP_CNTRL_3_EDGE (1 << 7) -#define REG_VIP_CNTRL_4 REG(0x00, 0x24) /* write */ -# define VIP_CNTRL_4_BLC(x) (((x) & 3) << 0) -# define VIP_CNTRL_4_BLANKIT(x) (((x) & 3) << 2) -# define VIP_CNTRL_4_CCIR656 (1 << 4) -# define VIP_CNTRL_4_656_ALT (1 << 5) -# define VIP_CNTRL_4_TST_656 (1 << 6) -# define VIP_CNTRL_4_TST_PAT (1 << 7) -#define REG_VIP_CNTRL_5 REG(0x00, 0x25) /* write */ -# define VIP_CNTRL_5_CKCASE (1 << 0) -# define VIP_CNTRL_5_SP_CNT(x) (((x) & 3) << 1) -#define REG_MUX_AP REG(0x00, 0x26) /* read/write */ -# define MUX_AP_SELECT_I2S 0x64 -# define MUX_AP_SELECT_SPDIF 0x40 -#define REG_MUX_VP_VIP_OUT REG(0x00, 0x27) /* read/write */ -#define REG_MAT_CONTRL REG(0x00, 0x80) /* write */ -# define MAT_CONTRL_MAT_SC(x) (((x) & 3) << 0) -# define MAT_CONTRL_MAT_BP (1 << 2) -#define REG_VIDFORMAT REG(0x00, 0xa0) /* write */ -#define REG_REFPIX_MSB REG(0x00, 0xa1) /* write */ -#define REG_REFPIX_LSB REG(0x00, 0xa2) /* write */ -#define REG_REFLINE_MSB REG(0x00, 0xa3) /* write */ -#define REG_REFLINE_LSB REG(0x00, 0xa4) /* write */ -#define REG_NPIX_MSB REG(0x00, 0xa5) /* write */ -#define REG_NPIX_LSB REG(0x00, 0xa6) /* write */ -#define REG_NLINE_MSB REG(0x00, 0xa7) /* write */ -#define REG_NLINE_LSB REG(0x00, 0xa8) /* write */ -#define REG_VS_LINE_STRT_1_MSB REG(0x00, 0xa9) /* write */ -#define REG_VS_LINE_STRT_1_LSB REG(0x00, 0xaa) /* write */ -#define REG_VS_PIX_STRT_1_MSB REG(0x00, 0xab) /* write */ -#define REG_VS_PIX_STRT_1_LSB REG(0x00, 0xac) /* write */ -#define REG_VS_LINE_END_1_MSB REG(0x00, 0xad) /* write */ -#define REG_VS_LINE_END_1_LSB REG(0x00, 0xae) /* write */ -#define REG_VS_PIX_END_1_MSB REG(0x00, 0xaf) /* write */ -#define REG_VS_PIX_END_1_LSB REG(0x00, 0xb0) /* write */ -#define REG_VS_LINE_STRT_2_MSB REG(0x00, 0xb1) /* write */ -#define REG_VS_LINE_STRT_2_LSB REG(0x00, 0xb2) /* write */ -#define REG_VS_PIX_STRT_2_MSB REG(0x00, 0xb3) /* write */ -#define REG_VS_PIX_STRT_2_LSB REG(0x00, 0xb4) /* write */ -#define REG_VS_LINE_END_2_MSB REG(0x00, 0xb5) /* write */ -#define REG_VS_LINE_END_2_LSB REG(0x00, 0xb6) /* write */ -#define REG_VS_PIX_END_2_MSB REG(0x00, 0xb7) /* write */ -#define REG_VS_PIX_END_2_LSB REG(0x00, 0xb8) /* write */ -#define REG_HS_PIX_START_MSB REG(0x00, 0xb9) /* write */ -#define REG_HS_PIX_START_LSB REG(0x00, 0xba) /* write */ -#define REG_HS_PIX_STOP_MSB REG(0x00, 0xbb) /* write */ -#define REG_HS_PIX_STOP_LSB REG(0x00, 0xbc) /* write */ -#define REG_VWIN_START_1_MSB REG(0x00, 0xbd) /* write */ -#define REG_VWIN_START_1_LSB REG(0x00, 0xbe) /* write */ -#define REG_VWIN_END_1_MSB REG(0x00, 0xbf) /* write */ -#define REG_VWIN_END_1_LSB REG(0x00, 0xc0) /* write */ -#define REG_VWIN_START_2_MSB REG(0x00, 0xc1) /* write */ -#define REG_VWIN_START_2_LSB REG(0x00, 0xc2) /* write */ -#define REG_VWIN_END_2_MSB REG(0x00, 0xc3) /* write */ -#define REG_VWIN_END_2_LSB REG(0x00, 0xc4) /* write */ -#define REG_DE_START_MSB REG(0x00, 0xc5) /* write */ -#define REG_DE_START_LSB REG(0x00, 0xc6) /* write */ -#define REG_DE_STOP_MSB REG(0x00, 0xc7) /* write */ -#define REG_DE_STOP_LSB REG(0x00, 0xc8) /* write */ -#define REG_TBG_CNTRL_0 REG(0x00, 0xca) /* write */ -# define TBG_CNTRL_0_TOP_TGL (1 << 0) -# define TBG_CNTRL_0_TOP_SEL (1 << 1) -# define TBG_CNTRL_0_DE_EXT (1 << 2) -# define TBG_CNTRL_0_TOP_EXT (1 << 3) -# define TBG_CNTRL_0_FRAME_DIS (1 << 5) -# define TBG_CNTRL_0_SYNC_MTHD (1 << 6) -# define TBG_CNTRL_0_SYNC_ONCE (1 << 7) -#define REG_TBG_CNTRL_1 REG(0x00, 0xcb) /* write */ -# define TBG_CNTRL_1_H_TGL (1 << 0) -# define TBG_CNTRL_1_V_TGL (1 << 1) -# define TBG_CNTRL_1_TGL_EN (1 << 2) -# define TBG_CNTRL_1_X_EXT (1 << 3) -# define TBG_CNTRL_1_H_EXT (1 << 4) -# define TBG_CNTRL_1_V_EXT (1 << 5) -# define TBG_CNTRL_1_DWIN_DIS (1 << 6) -#define REG_ENABLE_SPACE REG(0x00, 0xd6) /* write */ -#define REG_HVF_CNTRL_0 REG(0x00, 0xe4) /* write */ -# define HVF_CNTRL_0_SM (1 << 7) -# define HVF_CNTRL_0_RWB (1 << 6) -# define HVF_CNTRL_0_PREFIL(x) (((x) & 3) << 2) -# define HVF_CNTRL_0_INTPOL(x) (((x) & 3) << 0) -#define REG_HVF_CNTRL_1 REG(0x00, 0xe5) /* write */ -# define HVF_CNTRL_1_FOR (1 << 0) -# define HVF_CNTRL_1_YUVBLK (1 << 1) -# define HVF_CNTRL_1_VQR(x) (((x) & 3) << 2) -# define HVF_CNTRL_1_PAD(x) (((x) & 3) << 4) -# define HVF_CNTRL_1_SEMI_PLANAR (1 << 6) -#define REG_RPT_CNTRL REG(0x00, 0xf0) /* write */ -# define RPT_CNTRL_REPEAT(x) ((x) & 15) -#define REG_I2S_FORMAT REG(0x00, 0xfc) /* read/write */ -# define I2S_FORMAT_PHILIPS (0 << 0) -# define I2S_FORMAT_LEFT_J (2 << 0) -# define I2S_FORMAT_RIGHT_J (3 << 0) -#define REG_AIP_CLKSEL REG(0x00, 0xfd) /* write */ -# define AIP_CLKSEL_AIP_SPDIF (0 << 3) -# define AIP_CLKSEL_AIP_I2S (1 << 3) -# define AIP_CLKSEL_FS_ACLK (0 << 0) -# define AIP_CLKSEL_FS_MCLK (1 << 0) -# define AIP_CLKSEL_FS_FS64SPDIF (2 << 0) - -/* Page 02h: PLL settings */ -#define REG_PLL_SERIAL_1 REG(0x02, 0x00) /* read/write */ -# define PLL_SERIAL_1_SRL_FDN (1 << 0) -# define PLL_SERIAL_1_SRL_IZ(x) (((x) & 3) << 1) -# define PLL_SERIAL_1_SRL_MAN_IZ (1 << 6) -#define REG_PLL_SERIAL_2 REG(0x02, 0x01) /* read/write */ -# define PLL_SERIAL_2_SRL_NOSC(x) ((x) << 0) -# define PLL_SERIAL_2_SRL_PR(x) (((x) & 0xf) << 4) -#define REG_PLL_SERIAL_3 REG(0x02, 0x02) /* read/write */ -# define PLL_SERIAL_3_SRL_CCIR (1 << 0) -# define PLL_SERIAL_3_SRL_DE (1 << 2) -# define PLL_SERIAL_3_SRL_PXIN_SEL (1 << 4) -#define REG_SERIALIZER REG(0x02, 0x03) /* read/write */ -#define REG_BUFFER_OUT REG(0x02, 0x04) /* read/write */ -#define REG_PLL_SCG1 REG(0x02, 0x05) /* read/write */ -#define REG_PLL_SCG2 REG(0x02, 0x06) /* read/write */ -#define REG_PLL_SCGN1 REG(0x02, 0x07) /* read/write */ -#define REG_PLL_SCGN2 REG(0x02, 0x08) /* read/write */ -#define REG_PLL_SCGR1 REG(0x02, 0x09) /* read/write */ -#define REG_PLL_SCGR2 REG(0x02, 0x0a) /* read/write */ -#define REG_AUDIO_DIV REG(0x02, 0x0e) /* read/write */ -# define AUDIO_DIV_SERCLK_1 0 -# define AUDIO_DIV_SERCLK_2 1 -# define AUDIO_DIV_SERCLK_4 2 -# define AUDIO_DIV_SERCLK_8 3 -# define AUDIO_DIV_SERCLK_16 4 -# define AUDIO_DIV_SERCLK_32 5 -#define REG_SEL_CLK REG(0x02, 0x11) /* read/write */ -# define SEL_CLK_SEL_CLK1 (1 << 0) -# define SEL_CLK_SEL_VRF_CLK(x) (((x) & 3) << 1) -# define SEL_CLK_ENA_SC_CLK (1 << 3) -#define REG_ANA_GENERAL REG(0x02, 0x12) /* read/write */ - - -/* Page 09h: EDID Control */ -#define REG_EDID_DATA_0 REG(0x09, 0x00) /* read */ -/* next 127 successive registers are the EDID block */ -#define REG_EDID_CTRL REG(0x09, 0xfa) /* read/write */ -#define REG_DDC_ADDR REG(0x09, 0xfb) /* read/write */ -#define REG_DDC_OFFS REG(0x09, 0xfc) /* read/write */ -#define REG_DDC_SEGM_ADDR REG(0x09, 0xfd) /* read/write */ -#define REG_DDC_SEGM REG(0x09, 0xfe) /* read/write */ - - -/* Page 10h: information frames and packets */ -#define REG_IF1_HB0 REG(0x10, 0x20) /* read/write */ -#define REG_IF2_HB0 REG(0x10, 0x40) /* read/write */ -#define REG_IF3_HB0 REG(0x10, 0x60) /* read/write */ -#define REG_IF4_HB0 REG(0x10, 0x80) /* read/write */ -#define REG_IF5_HB0 REG(0x10, 0xa0) /* read/write */ - - -/* Page 11h: audio settings and content info packets */ -#define REG_AIP_CNTRL_0 REG(0x11, 0x00) /* read/write */ -# define AIP_CNTRL_0_RST_FIFO (1 << 0) -# define AIP_CNTRL_0_SWAP (1 << 1) -# define AIP_CNTRL_0_LAYOUT (1 << 2) -# define AIP_CNTRL_0_ACR_MAN (1 << 5) -# define AIP_CNTRL_0_RST_CTS (1 << 6) -#define REG_CA_I2S REG(0x11, 0x01) /* read/write */ -# define CA_I2S_CA_I2S(x) (((x) & 31) << 0) -# define CA_I2S_HBR_CHSTAT (1 << 6) -#define REG_LATENCY_RD REG(0x11, 0x04) /* read/write */ -#define REG_ACR_CTS_0 REG(0x11, 0x05) /* read/write */ -#define REG_ACR_CTS_1 REG(0x11, 0x06) /* read/write */ -#define REG_ACR_CTS_2 REG(0x11, 0x07) /* read/write */ -#define REG_ACR_N_0 REG(0x11, 0x08) /* read/write */ -#define REG_ACR_N_1 REG(0x11, 0x09) /* read/write */ -#define REG_ACR_N_2 REG(0x11, 0x0a) /* read/write */ -#define REG_CTS_N REG(0x11, 0x0c) /* read/write */ -# define CTS_N_K(x) (((x) & 7) << 0) -# define CTS_N_M(x) (((x) & 3) << 4) -#define REG_ENC_CNTRL REG(0x11, 0x0d) /* read/write */ -# define ENC_CNTRL_RST_ENC (1 << 0) -# define ENC_CNTRL_RST_SEL (1 << 1) -# define ENC_CNTRL_CTL_CODE(x) (((x) & 3) << 2) -#define REG_DIP_FLAGS REG(0x11, 0x0e) /* read/write */ -# define DIP_FLAGS_ACR (1 << 0) -# define DIP_FLAGS_GC (1 << 1) -#define REG_DIP_IF_FLAGS REG(0x11, 0x0f) /* read/write */ -# define DIP_IF_FLAGS_IF1 (1 << 1) -# define DIP_IF_FLAGS_IF2 (1 << 2) -# define DIP_IF_FLAGS_IF3 (1 << 3) -# define DIP_IF_FLAGS_IF4 (1 << 4) -# define DIP_IF_FLAGS_IF5 (1 << 5) -#define REG_CH_STAT_B(x) REG(0x11, 0x14 + (x)) /* read/write */ - - -/* Page 12h: HDCP and OTP */ -#define REG_TX3 REG(0x12, 0x9a) /* read/write */ -#define REG_TX4 REG(0x12, 0x9b) /* read/write */ -# define TX4_PD_RAM (1 << 1) -#define REG_TX33 REG(0x12, 0xb8) /* read/write */ -# define TX33_HDMI (1 << 1) - - -/* Page 13h: Gamut related metadata packets */ - - - -/* CEC registers: (not paged) - */ -#define REG_CEC_INTSTATUS 0xee /* read */ -# define CEC_INTSTATUS_CEC (1 << 0) -# define CEC_INTSTATUS_HDMI (1 << 1) -#define REG_CEC_CAL_XOSC_CTRL1 0xf2 -# define CEC_CAL_XOSC_CTRL1_ENA_CAL BIT(0) -#define REG_CEC_DES_FREQ2 0xf5 -# define CEC_DES_FREQ2_DIS_AUTOCAL BIT(7) -#define REG_CEC_CLK 0xf6 -# define CEC_CLK_FRO 0x11 -#define REG_CEC_FRO_IM_CLK_CTRL 0xfb /* read/write */ -# define CEC_FRO_IM_CLK_CTRL_GHOST_DIS (1 << 7) -# define CEC_FRO_IM_CLK_CTRL_ENA_OTP (1 << 6) -# define CEC_FRO_IM_CLK_CTRL_IMCLK_SEL (1 << 1) -# define CEC_FRO_IM_CLK_CTRL_FRO_DIV (1 << 0) -#define REG_CEC_RXSHPDINTENA 0xfc /* read/write */ -#define REG_CEC_RXSHPDINT 0xfd /* read */ -# define CEC_RXSHPDINT_RXSENS BIT(0) -# define CEC_RXSHPDINT_HPD BIT(1) -#define REG_CEC_RXSHPDLEV 0xfe /* read */ -# define CEC_RXSHPDLEV_RXSENS (1 << 0) -# define CEC_RXSHPDLEV_HPD (1 << 1) - -#define REG_CEC_ENAMODS 0xff /* read/write */ -# define CEC_ENAMODS_EN_CEC_CLK (1 << 7) -# define CEC_ENAMODS_DIS_FRO (1 << 6) -# define CEC_ENAMODS_DIS_CCLK (1 << 5) -# define CEC_ENAMODS_EN_RXSENS (1 << 2) -# define CEC_ENAMODS_EN_HDMI (1 << 1) -# define CEC_ENAMODS_EN_CEC (1 << 0) - - -/* Device versions: */ -#define TDA9989N2 0x0101 -#define TDA19989 0x0201 -#define TDA19989N2 0x0202 -#define TDA19988 0x0301 - -static void -cec_write(struct tda998x_priv *priv, u16 addr, u8 val) -{ - u8 buf[] = {addr, val}; - struct i2c_msg msg = { - .addr = priv->cec_addr, - .len = 2, - .buf = buf, - }; - int ret; - - ret = i2c_transfer(priv->hdmi->adapter, &msg, 1); - if (ret < 0) - dev_err(&priv->hdmi->dev, "Error %d writing to cec:0x%x\n", - ret, addr); -} - -static u8 -cec_read(struct tda998x_priv *priv, u8 addr) -{ - u8 val; - struct i2c_msg msg[2] = { - { - .addr = priv->cec_addr, - .len = 1, - .buf = &addr, - }, { - .addr = priv->cec_addr, - .flags = I2C_M_RD, - .len = 1, - .buf = &val, - }, - }; - int ret; - - ret = i2c_transfer(priv->hdmi->adapter, msg, ARRAY_SIZE(msg)); - if (ret < 0) { - dev_err(&priv->hdmi->dev, "Error %d reading from cec:0x%x\n", - ret, addr); - val = 0; - } - - return val; -} - -static void cec_enamods(struct tda998x_priv *priv, u8 mods, bool enable) -{ - int val = cec_read(priv, REG_CEC_ENAMODS); - - if (val < 0) - return; - - if (enable) - val |= mods; - else - val &= ~mods; - - cec_write(priv, REG_CEC_ENAMODS, val); -} - -static void tda998x_cec_set_calibration(struct tda998x_priv *priv, bool enable) -{ - if (enable) { - u8 val; - - cec_write(priv, 0xf3, 0xc0); - cec_write(priv, 0xf4, 0xd4); - - /* Enable automatic calibration mode */ - val = cec_read(priv, REG_CEC_DES_FREQ2); - val &= ~CEC_DES_FREQ2_DIS_AUTOCAL; - cec_write(priv, REG_CEC_DES_FREQ2, val); - - /* Enable free running oscillator */ - cec_write(priv, REG_CEC_CLK, CEC_CLK_FRO); - cec_enamods(priv, CEC_ENAMODS_DIS_FRO, false); - - cec_write(priv, REG_CEC_CAL_XOSC_CTRL1, - CEC_CAL_XOSC_CTRL1_ENA_CAL); - } else { - cec_write(priv, REG_CEC_CAL_XOSC_CTRL1, 0); - } -} - -/* - * Calibration for the internal oscillator: we need to set calibration mode, - * and then pulse the IRQ line low for a 10ms ± 1% period. - */ -static void tda998x_cec_calibration(struct tda998x_priv *priv) -{ - struct gpio_desc *calib = priv->calib; - - mutex_lock(&priv->edid_mutex); - if (priv->hdmi->irq > 0) - disable_irq(priv->hdmi->irq); - gpiod_direction_output(calib, 1); - tda998x_cec_set_calibration(priv, true); - - local_irq_disable(); - gpiod_set_value(calib, 0); - mdelay(10); - gpiod_set_value(calib, 1); - local_irq_enable(); - - tda998x_cec_set_calibration(priv, false); - gpiod_direction_input(calib); - if (priv->hdmi->irq > 0) - enable_irq(priv->hdmi->irq); - mutex_unlock(&priv->edid_mutex); -} - -static int tda998x_cec_hook_init(void *data) -{ - struct tda998x_priv *priv = data; - struct gpio_desc *calib; - - calib = gpiod_get(&priv->hdmi->dev, "nxp,calib", GPIOD_ASIS); - if (IS_ERR(calib)) { - dev_warn(&priv->hdmi->dev, "failed to get calibration gpio: %ld\n", - PTR_ERR(calib)); - return PTR_ERR(calib); - } - - priv->calib = calib; - - return 0; -} - -static void tda998x_cec_hook_exit(void *data) -{ - struct tda998x_priv *priv = data; - - gpiod_put(priv->calib); - priv->calib = NULL; -} - -static int tda998x_cec_hook_open(void *data) -{ - struct tda998x_priv *priv = data; - - cec_enamods(priv, CEC_ENAMODS_EN_CEC_CLK | CEC_ENAMODS_EN_CEC, true); - tda998x_cec_calibration(priv); - - return 0; -} - -static void tda998x_cec_hook_release(void *data) -{ - struct tda998x_priv *priv = data; - - cec_enamods(priv, CEC_ENAMODS_EN_CEC_CLK | CEC_ENAMODS_EN_CEC, false); -} - -static int -set_page(struct tda998x_priv *priv, u16 reg) -{ - if (REG2PAGE(reg) != priv->current_page) { - struct i2c_client *client = priv->hdmi; - u8 buf[] = { - REG_CURPAGE, REG2PAGE(reg) - }; - int ret = i2c_master_send(client, buf, sizeof(buf)); - if (ret < 0) { - dev_err(&client->dev, "%s %04x err %d\n", __func__, - reg, ret); - return ret; - } - - priv->current_page = REG2PAGE(reg); - } - return 0; -} - -static int -reg_read_range(struct tda998x_priv *priv, u16 reg, char *buf, int cnt) -{ - struct i2c_client *client = priv->hdmi; - u8 addr = REG2ADDR(reg); - int ret; - - mutex_lock(&priv->mutex); - ret = set_page(priv, reg); - if (ret < 0) - goto out; - - ret = i2c_master_send(client, &addr, sizeof(addr)); - if (ret < 0) - goto fail; - - ret = i2c_master_recv(client, buf, cnt); - if (ret < 0) - goto fail; - - goto out; - -fail: - dev_err(&client->dev, "Error %d reading from 0x%x\n", ret, reg); -out: - mutex_unlock(&priv->mutex); - return ret; -} - -#define MAX_WRITE_RANGE_BUF 32 - -static void -reg_write_range(struct tda998x_priv *priv, u16 reg, u8 *p, int cnt) -{ - struct i2c_client *client = priv->hdmi; - /* This is the maximum size of the buffer passed in */ - u8 buf[MAX_WRITE_RANGE_BUF + 1]; - int ret; - - if (cnt > MAX_WRITE_RANGE_BUF) { - dev_err(&client->dev, "Fixed write buffer too small (%d)\n", - MAX_WRITE_RANGE_BUF); - return; - } - - buf[0] = REG2ADDR(reg); - memcpy(&buf[1], p, cnt); - - mutex_lock(&priv->mutex); - ret = set_page(priv, reg); - if (ret < 0) - goto out; - - ret = i2c_master_send(client, buf, cnt + 1); - if (ret < 0) - dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg); -out: - mutex_unlock(&priv->mutex); -} - -static int -reg_read(struct tda998x_priv *priv, u16 reg) -{ - u8 val = 0; - int ret; - - ret = reg_read_range(priv, reg, &val, sizeof(val)); - if (ret < 0) - return ret; - return val; -} - -static void -reg_write(struct tda998x_priv *priv, u16 reg, u8 val) -{ - struct i2c_client *client = priv->hdmi; - u8 buf[] = {REG2ADDR(reg), val}; - int ret; - - mutex_lock(&priv->mutex); - ret = set_page(priv, reg); - if (ret < 0) - goto out; - - ret = i2c_master_send(client, buf, sizeof(buf)); - if (ret < 0) - dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg); -out: - mutex_unlock(&priv->mutex); -} - -static void -reg_write16(struct tda998x_priv *priv, u16 reg, u16 val) -{ - struct i2c_client *client = priv->hdmi; - u8 buf[] = {REG2ADDR(reg), val >> 8, val}; - int ret; - - mutex_lock(&priv->mutex); - ret = set_page(priv, reg); - if (ret < 0) - goto out; - - ret = i2c_master_send(client, buf, sizeof(buf)); - if (ret < 0) - dev_err(&client->dev, "Error %d writing to 0x%x\n", ret, reg); -out: - mutex_unlock(&priv->mutex); -} - -static void -reg_set(struct tda998x_priv *priv, u16 reg, u8 val) -{ - int old_val; - - old_val = reg_read(priv, reg); - if (old_val >= 0) - reg_write(priv, reg, old_val | val); -} - -static void -reg_clear(struct tda998x_priv *priv, u16 reg, u8 val) -{ - int old_val; - - old_val = reg_read(priv, reg); - if (old_val >= 0) - reg_write(priv, reg, old_val & ~val); -} - -static void -tda998x_reset(struct tda998x_priv *priv) -{ - /* reset audio and i2c master: */ - reg_write(priv, REG_SOFTRESET, SOFTRESET_AUDIO | SOFTRESET_I2C_MASTER); - msleep(50); - reg_write(priv, REG_SOFTRESET, 0); - msleep(50); - - /* reset transmitter: */ - reg_set(priv, REG_MAIN_CNTRL0, MAIN_CNTRL0_SR); - reg_clear(priv, REG_MAIN_CNTRL0, MAIN_CNTRL0_SR); - - /* PLL registers common configuration */ - reg_write(priv, REG_PLL_SERIAL_1, 0x00); - reg_write(priv, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(1)); - reg_write(priv, REG_PLL_SERIAL_3, 0x00); - reg_write(priv, REG_SERIALIZER, 0x00); - reg_write(priv, REG_BUFFER_OUT, 0x00); - reg_write(priv, REG_PLL_SCG1, 0x00); - reg_write(priv, REG_AUDIO_DIV, AUDIO_DIV_SERCLK_8); - reg_write(priv, REG_SEL_CLK, SEL_CLK_SEL_CLK1 | SEL_CLK_ENA_SC_CLK); - reg_write(priv, REG_PLL_SCGN1, 0xfa); - reg_write(priv, REG_PLL_SCGN2, 0x00); - reg_write(priv, REG_PLL_SCGR1, 0x5b); - reg_write(priv, REG_PLL_SCGR2, 0x00); - reg_write(priv, REG_PLL_SCG2, 0x10); - - /* Write the default value MUX register */ - reg_write(priv, REG_MUX_VP_VIP_OUT, 0x24); -} - -/* - * The TDA998x has a problem when trying to read the EDID close to a - * HPD assertion: it needs a delay of 100ms to avoid timing out while - * trying to read EDID data. - * - * However, tda998x_connector_get_modes() may be called at any moment - * after tda998x_connector_detect() indicates that we are connected, so - * we need to delay probing modes in tda998x_connector_get_modes() after - * we have seen a HPD inactive->active transition. This code implements - * that delay. - */ -static void tda998x_edid_delay_done(struct timer_list *t) -{ - struct tda998x_priv *priv = from_timer(priv, t, edid_delay_timer); - - priv->edid_delay_active = false; - wake_up(&priv->edid_delay_waitq); - schedule_work(&priv->detect_work); -} - -static void tda998x_edid_delay_start(struct tda998x_priv *priv) -{ - priv->edid_delay_active = true; - mod_timer(&priv->edid_delay_timer, jiffies + HZ/10); -} - -static int tda998x_edid_delay_wait(struct tda998x_priv *priv) -{ - return wait_event_killable(priv->edid_delay_waitq, !priv->edid_delay_active); -} - -/* - * We need to run the KMS hotplug event helper outside of our threaded - * interrupt routine as this can call back into our get_modes method, - * which will want to make use of interrupts. - */ -static void tda998x_detect_work(struct work_struct *work) -{ - struct tda998x_priv *priv = - container_of(work, struct tda998x_priv, detect_work); - struct drm_device *dev = priv->connector.dev; - - if (dev) - drm_kms_helper_hotplug_event(dev); -} - -/* - * only 2 interrupts may occur: screen plug/unplug and EDID read - */ -static irqreturn_t tda998x_irq_thread(int irq, void *data) -{ - struct tda998x_priv *priv = data; - u8 sta, cec, lvl, flag0, flag1, flag2; - bool handled = false; - - sta = cec_read(priv, REG_CEC_INTSTATUS); - if (sta & CEC_INTSTATUS_HDMI) { - cec = cec_read(priv, REG_CEC_RXSHPDINT); - lvl = cec_read(priv, REG_CEC_RXSHPDLEV); - flag0 = reg_read(priv, REG_INT_FLAGS_0); - flag1 = reg_read(priv, REG_INT_FLAGS_1); - flag2 = reg_read(priv, REG_INT_FLAGS_2); - DRM_DEBUG_DRIVER( - "tda irq sta %02x cec %02x lvl %02x f0 %02x f1 %02x f2 %02x\n", - sta, cec, lvl, flag0, flag1, flag2); - - if (cec & CEC_RXSHPDINT_HPD) { - if (lvl & CEC_RXSHPDLEV_HPD) { - tda998x_edid_delay_start(priv); - } else { - schedule_work(&priv->detect_work); - cec_notifier_phys_addr_invalidate( - priv->cec_notify); - } - - handled = true; - } - - if ((flag2 & INT_FLAGS_2_EDID_BLK_RD) && priv->wq_edid_wait) { - priv->wq_edid_wait = 0; - wake_up(&priv->wq_edid); - handled = true; - } - } - - return IRQ_RETVAL(handled); -} - -static void -tda998x_write_if(struct tda998x_priv *priv, u8 bit, u16 addr, - union hdmi_infoframe *frame) -{ - u8 buf[MAX_WRITE_RANGE_BUF]; - ssize_t len; - - len = hdmi_infoframe_pack(frame, buf, sizeof(buf)); - if (len < 0) { - dev_err(&priv->hdmi->dev, - "hdmi_infoframe_pack() type=0x%02x failed: %zd\n", - frame->any.type, len); - return; - } - - reg_clear(priv, REG_DIP_IF_FLAGS, bit); - reg_write_range(priv, addr, buf, len); - reg_set(priv, REG_DIP_IF_FLAGS, bit); -} - -static void tda998x_write_aif(struct tda998x_priv *priv, - const struct hdmi_audio_infoframe *cea) -{ - union hdmi_infoframe frame; - - frame.audio = *cea; - - tda998x_write_if(priv, DIP_IF_FLAGS_IF4, REG_IF4_HB0, &frame); -} - -static void -tda998x_write_avi(struct tda998x_priv *priv, const struct drm_display_mode *mode) -{ - union hdmi_infoframe frame; - - drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, - &priv->connector, mode); - frame.avi.quantization_range = HDMI_QUANTIZATION_RANGE_FULL; - drm_hdmi_avi_infoframe_quant_range(&frame.avi, &priv->connector, mode, - priv->rgb_quant_range); - - tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, &frame); -} - -static void tda998x_write_vsi(struct tda998x_priv *priv, - const struct drm_display_mode *mode) -{ - union hdmi_infoframe frame; - - if (drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi, - &priv->connector, - mode)) - reg_clear(priv, REG_DIP_IF_FLAGS, DIP_IF_FLAGS_IF1); - else - tda998x_write_if(priv, DIP_IF_FLAGS_IF1, REG_IF1_HB0, &frame); -} - -/* Audio support */ - -static const struct tda998x_audio_route tda998x_audio_route[AUDIO_ROUTE_NUM] = { - [AUDIO_ROUTE_I2S] = { - .ena_aclk = 1, - .mux_ap = MUX_AP_SELECT_I2S, - .aip_clksel = AIP_CLKSEL_AIP_I2S | AIP_CLKSEL_FS_ACLK, - }, - [AUDIO_ROUTE_SPDIF] = { - .ena_aclk = 0, - .mux_ap = MUX_AP_SELECT_SPDIF, - .aip_clksel = AIP_CLKSEL_AIP_SPDIF | AIP_CLKSEL_FS_FS64SPDIF, - }, -}; - -/* Configure the TDA998x audio data and clock routing. */ -static int tda998x_derive_routing(struct tda998x_priv *priv, - struct tda998x_audio_settings *s, - unsigned int route) -{ - s->route = &tda998x_audio_route[route]; - s->ena_ap = priv->audio_port_enable[route]; - if (s->ena_ap == 0) { - dev_err(&priv->hdmi->dev, "no audio configuration found\n"); - return -EINVAL; - } - - return 0; -} - -/* - * The audio clock divisor register controls a divider producing Audio_Clk_Out - * from SERclk by dividing it by 2^n where 0 <= n <= 5. We don't know what - * Audio_Clk_Out or SERclk are. We guess SERclk is the same as TMDS clock. - * - * It seems that Audio_Clk_Out must be the smallest value that is greater - * than 128*fs, otherwise audio does not function. There is some suggestion - * that 126*fs is a better value. - */ -static u8 tda998x_get_adiv(struct tda998x_priv *priv, unsigned int fs) -{ - unsigned long min_audio_clk = fs * 128; - unsigned long ser_clk = priv->tmds_clock * 1000; - u8 adiv; - - for (adiv = AUDIO_DIV_SERCLK_32; adiv != AUDIO_DIV_SERCLK_1; adiv--) - if (ser_clk > min_audio_clk << adiv) - break; - - dev_dbg(&priv->hdmi->dev, - "ser_clk=%luHz fs=%uHz min_aclk=%luHz adiv=%d\n", - ser_clk, fs, min_audio_clk, adiv); - - return adiv; -} - -/* - * In auto-CTS mode, the TDA998x uses a "measured time stamp" counter to - * generate the CTS value. It appears that the "measured time stamp" is - * the number of TDMS clock cycles within a number of audio input clock - * cycles defined by the k and N parameters defined below, in a similar - * way to that which is set out in the CTS generation in the HDMI spec. - * - * tmdsclk ----> mts -> /m ---> CTS - * ^ - * sclk -> /k -> /N - * - * CTS = mts / m, where m is 2^M. - * /k is a divider based on the K value below, K+1 for K < 4, or 8 for K >= 4 - * /N is a divider based on the HDMI specified N value. - * - * This produces the following equation: - * CTS = tmds_clock * k * N / (sclk * m) - * - * When combined with the sink-side equation, and realising that sclk is - * bclk_ratio * fs, we end up with: - * k = m * bclk_ratio / 128. - * - * Note: S/PDIF always uses a bclk_ratio of 64. - */ -static int tda998x_derive_cts_n(struct tda998x_priv *priv, - struct tda998x_audio_settings *settings, - unsigned int ratio) -{ - switch (ratio) { - case 16: - settings->cts_n = CTS_N_M(3) | CTS_N_K(0); - break; - case 32: - settings->cts_n = CTS_N_M(3) | CTS_N_K(1); - break; - case 48: - settings->cts_n = CTS_N_M(3) | CTS_N_K(2); - break; - case 64: - settings->cts_n = CTS_N_M(3) | CTS_N_K(3); - break; - case 128: - settings->cts_n = CTS_N_M(0) | CTS_N_K(0); - break; - default: - dev_err(&priv->hdmi->dev, "unsupported bclk ratio %ufs\n", - ratio); - return -EINVAL; - } - return 0; -} - -static void tda998x_audio_mute(struct tda998x_priv *priv, bool on) -{ - if (on) { - reg_set(priv, REG_SOFTRESET, SOFTRESET_AUDIO); - reg_clear(priv, REG_SOFTRESET, SOFTRESET_AUDIO); - reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); - } else { - reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); - } -} - -static void tda998x_configure_audio(struct tda998x_priv *priv) -{ - const struct tda998x_audio_settings *settings = &priv->audio; - u8 buf[6], adiv; - u32 n; - - /* If audio is not configured, there is nothing to do. */ - if (settings->ena_ap == 0) - return; - - adiv = tda998x_get_adiv(priv, settings->sample_rate); - - /* Enable audio ports */ - reg_write(priv, REG_ENA_AP, settings->ena_ap); - reg_write(priv, REG_ENA_ACLK, settings->route->ena_aclk); - reg_write(priv, REG_MUX_AP, settings->route->mux_ap); - reg_write(priv, REG_I2S_FORMAT, settings->i2s_format); - reg_write(priv, REG_AIP_CLKSEL, settings->route->aip_clksel); - reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_LAYOUT | - AIP_CNTRL_0_ACR_MAN); /* auto CTS */ - reg_write(priv, REG_CTS_N, settings->cts_n); - reg_write(priv, REG_AUDIO_DIV, adiv); - - /* - * This is the approximate value of N, which happens to be - * the recommended values for non-coherent clocks. - */ - n = 128 * settings->sample_rate / 1000; - - /* Write the CTS and N values */ - buf[0] = 0x44; - buf[1] = 0x42; - buf[2] = 0x01; - buf[3] = n; - buf[4] = n >> 8; - buf[5] = n >> 16; - reg_write_range(priv, REG_ACR_CTS_0, buf, 6); - - /* Reset CTS generator */ - reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS); - reg_clear(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_CTS); - - /* Write the channel status - * The REG_CH_STAT_B-registers skip IEC958 AES2 byte, because - * there is a separate register for each I2S wire. - */ - buf[0] = settings->status[0]; - buf[1] = settings->status[1]; - buf[2] = settings->status[3]; - buf[3] = settings->status[4]; - reg_write_range(priv, REG_CH_STAT_B(0), buf, 4); - - tda998x_audio_mute(priv, true); - msleep(20); - tda998x_audio_mute(priv, false); - - tda998x_write_aif(priv, &settings->cea); -} - -static int tda998x_audio_hw_params(struct device *dev, void *data, - struct hdmi_codec_daifmt *daifmt, - struct hdmi_codec_params *params) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - unsigned int bclk_ratio; - bool spdif = daifmt->fmt == HDMI_SPDIF; - int ret; - struct tda998x_audio_settings audio = { - .sample_rate = params->sample_rate, - .cea = params->cea, - }; - - memcpy(audio.status, params->iec.status, - min(sizeof(audio.status), sizeof(params->iec.status))); - - switch (daifmt->fmt) { - case HDMI_I2S: - audio.i2s_format = I2S_FORMAT_PHILIPS; - break; - case HDMI_LEFT_J: - audio.i2s_format = I2S_FORMAT_LEFT_J; - break; - case HDMI_RIGHT_J: - audio.i2s_format = I2S_FORMAT_RIGHT_J; - break; - case HDMI_SPDIF: - audio.i2s_format = 0; - break; - default: - dev_err(dev, "%s: Invalid format %d\n", __func__, daifmt->fmt); - return -EINVAL; - } - - if (!spdif && - (daifmt->bit_clk_inv || daifmt->frame_clk_inv || - daifmt->bit_clk_provider || daifmt->frame_clk_provider)) { - dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__, - daifmt->bit_clk_inv, daifmt->frame_clk_inv, - daifmt->bit_clk_provider, - daifmt->frame_clk_provider); - return -EINVAL; - } - - ret = tda998x_derive_routing(priv, &audio, AUDIO_ROUTE_I2S + spdif); - if (ret < 0) - return ret; - - bclk_ratio = spdif ? 64 : params->sample_width * 2; - ret = tda998x_derive_cts_n(priv, &audio, bclk_ratio); - if (ret < 0) - return ret; - - mutex_lock(&priv->audio_mutex); - priv->audio = audio; - if (priv->supports_infoframes && priv->sink_has_audio) - tda998x_configure_audio(priv); - mutex_unlock(&priv->audio_mutex); - - return 0; -} - -static void tda998x_audio_shutdown(struct device *dev, void *data) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - - mutex_lock(&priv->audio_mutex); - - reg_write(priv, REG_ENA_AP, 0); - priv->audio.ena_ap = 0; - - mutex_unlock(&priv->audio_mutex); -} - -static int tda998x_audio_mute_stream(struct device *dev, void *data, - bool enable, int direction) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - - mutex_lock(&priv->audio_mutex); - - tda998x_audio_mute(priv, enable); - - mutex_unlock(&priv->audio_mutex); - return 0; -} - -static int tda998x_audio_get_eld(struct device *dev, void *data, - uint8_t *buf, size_t len) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - - mutex_lock(&priv->audio_mutex); - memcpy(buf, priv->connector.eld, - min(sizeof(priv->connector.eld), len)); - mutex_unlock(&priv->audio_mutex); - - return 0; -} - -static const struct hdmi_codec_ops audio_codec_ops = { - .hw_params = tda998x_audio_hw_params, - .audio_shutdown = tda998x_audio_shutdown, - .mute_stream = tda998x_audio_mute_stream, - .get_eld = tda998x_audio_get_eld, - .no_capture_mute = 1, -}; - -static int tda998x_audio_codec_init(struct tda998x_priv *priv, - struct device *dev) -{ - struct hdmi_codec_pdata codec_data = { - .ops = &audio_codec_ops, - .max_i2s_channels = 2, - .no_i2s_capture = 1, - .no_spdif_capture = 1, - }; - - if (priv->audio_port_enable[AUDIO_ROUTE_I2S]) - codec_data.i2s = 1; - if (priv->audio_port_enable[AUDIO_ROUTE_SPDIF]) - codec_data.spdif = 1; - - priv->audio_pdev = platform_device_register_data( - dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO, - &codec_data, sizeof(codec_data)); - - return PTR_ERR_OR_ZERO(priv->audio_pdev); -} - -/* DRM connector functions */ - -static enum drm_connector_status -tda998x_connector_detect(struct drm_connector *connector, bool force) -{ - struct tda998x_priv *priv = conn_to_tda998x_priv(connector); - u8 val = cec_read(priv, REG_CEC_RXSHPDLEV); - - return (val & CEC_RXSHPDLEV_HPD) ? connector_status_connected : - connector_status_disconnected; -} - -static void tda998x_connector_destroy(struct drm_connector *connector) -{ - drm_connector_cleanup(connector); -} - -static const struct drm_connector_funcs tda998x_connector_funcs = { - .reset = drm_atomic_helper_connector_reset, - .fill_modes = drm_helper_probe_single_connector_modes, - .detect = tda998x_connector_detect, - .destroy = tda998x_connector_destroy, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static int read_edid_block(void *data, u8 *buf, unsigned int blk, size_t length) -{ - struct tda998x_priv *priv = data; - u8 offset, segptr; - int ret, i; - - offset = (blk & 1) ? 128 : 0; - segptr = blk / 2; - - mutex_lock(&priv->edid_mutex); - - reg_write(priv, REG_DDC_ADDR, 0xa0); - reg_write(priv, REG_DDC_OFFS, offset); - reg_write(priv, REG_DDC_SEGM_ADDR, 0x60); - reg_write(priv, REG_DDC_SEGM, segptr); - - /* enable reading EDID: */ - priv->wq_edid_wait = 1; - reg_write(priv, REG_EDID_CTRL, 0x1); - - /* flag must be cleared by sw: */ - reg_write(priv, REG_EDID_CTRL, 0x0); - - /* wait for block read to complete: */ - if (priv->hdmi->irq) { - i = wait_event_timeout(priv->wq_edid, - !priv->wq_edid_wait, - msecs_to_jiffies(100)); - if (i < 0) { - dev_err(&priv->hdmi->dev, "read edid wait err %d\n", i); - ret = i; - goto failed; - } - } else { - for (i = 100; i > 0; i--) { - msleep(1); - ret = reg_read(priv, REG_INT_FLAGS_2); - if (ret < 0) - goto failed; - if (ret & INT_FLAGS_2_EDID_BLK_RD) - break; - } - } - - if (i == 0) { - dev_err(&priv->hdmi->dev, "read edid timeout\n"); - ret = -ETIMEDOUT; - goto failed; - } - - ret = reg_read_range(priv, REG_EDID_DATA_0, buf, length); - if (ret != length) { - dev_err(&priv->hdmi->dev, "failed to read edid block %d: %d\n", - blk, ret); - goto failed; - } - - ret = 0; - - failed: - mutex_unlock(&priv->edid_mutex); - return ret; -} - -static int tda998x_connector_get_modes(struct drm_connector *connector) -{ - struct tda998x_priv *priv = conn_to_tda998x_priv(connector); - const struct drm_edid *drm_edid; - int n; - - /* - * If we get killed while waiting for the HPD timeout, return - * no modes found: we are not in a restartable path, so we - * can't handle signals gracefully. - */ - if (tda998x_edid_delay_wait(priv)) - return 0; - - if (priv->rev == TDA19988) - reg_clear(priv, REG_TX4, TX4_PD_RAM); - - drm_edid = drm_edid_read_custom(connector, read_edid_block, priv); - - if (priv->rev == TDA19988) - reg_set(priv, REG_TX4, TX4_PD_RAM); - - drm_edid_connector_update(connector, drm_edid); - cec_notifier_set_phys_addr(priv->cec_notify, - connector->display_info.source_physical_address); - - if (!drm_edid) { - dev_warn(&priv->hdmi->dev, "failed to read EDID\n"); - return 0; - } - - mutex_lock(&priv->audio_mutex); - n = drm_edid_connector_add_modes(connector); - priv->sink_has_audio = connector->display_info.has_audio; - mutex_unlock(&priv->audio_mutex); - - drm_edid_free(drm_edid); - - return n; -} - -static struct drm_encoder * -tda998x_connector_best_encoder(struct drm_connector *connector) -{ - struct tda998x_priv *priv = conn_to_tda998x_priv(connector); - - return priv->bridge.encoder; -} - -static -const struct drm_connector_helper_funcs tda998x_connector_helper_funcs = { - .get_modes = tda998x_connector_get_modes, - .best_encoder = tda998x_connector_best_encoder, -}; - -static int tda998x_connector_init(struct tda998x_priv *priv, - struct drm_device *drm) -{ - struct drm_connector *connector = &priv->connector; - int ret; - - connector->interlace_allowed = 1; - - if (priv->hdmi->irq) - connector->polled = DRM_CONNECTOR_POLL_HPD; - else - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - - drm_connector_helper_add(connector, &tda998x_connector_helper_funcs); - ret = drm_connector_init(drm, connector, &tda998x_connector_funcs, - DRM_MODE_CONNECTOR_HDMIA); - if (ret) - return ret; - - drm_connector_attach_encoder(&priv->connector, - priv->bridge.encoder); - - return 0; -} - -/* DRM bridge functions */ - -static int tda998x_bridge_attach(struct drm_bridge *bridge, - enum drm_bridge_attach_flags flags) -{ - struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); - - if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { - DRM_ERROR("Fix bridge driver to make connector optional!"); - return -EINVAL; - } - - return tda998x_connector_init(priv, bridge->dev); -} - -static void tda998x_bridge_detach(struct drm_bridge *bridge) -{ - struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); - - drm_connector_cleanup(&priv->connector); -} - -static enum drm_mode_status tda998x_bridge_mode_valid(struct drm_bridge *bridge, - const struct drm_display_info *info, - const struct drm_display_mode *mode) -{ - /* TDA19988 dotclock can go up to 165MHz */ - struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); - - if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000)) - return MODE_CLOCK_HIGH; - if (mode->htotal >= BIT(13)) - return MODE_BAD_HVALUE; - if (mode->vtotal >= BIT(11)) - return MODE_BAD_VVALUE; - return MODE_OK; -} - -static void tda998x_bridge_enable(struct drm_bridge *bridge) -{ - struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); - - if (!priv->is_on) { - /* enable video ports, audio will be enabled later */ - reg_write(priv, REG_ENA_VP_0, 0xff); - reg_write(priv, REG_ENA_VP_1, 0xff); - reg_write(priv, REG_ENA_VP_2, 0xff); - /* set muxing after enabling ports: */ - reg_write(priv, REG_VIP_CNTRL_0, priv->vip_cntrl_0); - reg_write(priv, REG_VIP_CNTRL_1, priv->vip_cntrl_1); - reg_write(priv, REG_VIP_CNTRL_2, priv->vip_cntrl_2); - - priv->is_on = true; - } -} - -static void tda998x_bridge_disable(struct drm_bridge *bridge) -{ - struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); - - if (priv->is_on) { - /* disable video ports */ - reg_write(priv, REG_ENA_VP_0, 0x00); - reg_write(priv, REG_ENA_VP_1, 0x00); - reg_write(priv, REG_ENA_VP_2, 0x00); - - priv->is_on = false; - } -} - -static void tda998x_bridge_mode_set(struct drm_bridge *bridge, - const struct drm_display_mode *mode, - const struct drm_display_mode *adjusted_mode) -{ - struct tda998x_priv *priv = bridge_to_tda998x_priv(bridge); - unsigned long tmds_clock; - u16 ref_pix, ref_line, n_pix, n_line; - u16 hs_pix_s, hs_pix_e; - u16 vs1_pix_s, vs1_pix_e, vs1_line_s, vs1_line_e; - u16 vs2_pix_s, vs2_pix_e, vs2_line_s, vs2_line_e; - u16 vwin1_line_s, vwin1_line_e; - u16 vwin2_line_s, vwin2_line_e; - u16 de_pix_s, de_pix_e; - u8 reg, div, rep, sel_clk; - - /* - * Since we are "computer" like, our source invariably produces - * full-range RGB. If the monitor supports full-range, then use - * it, otherwise reduce to limited-range. - */ - priv->rgb_quant_range = - priv->connector.display_info.rgb_quant_range_selectable ? - HDMI_QUANTIZATION_RANGE_FULL : - drm_default_rgb_quant_range(adjusted_mode); - - /* - * Internally TDA998x is using ITU-R BT.656 style sync but - * we get VESA style sync. TDA998x is using a reference pixel - * relative to ITU to sync to the input frame and for output - * sync generation. Currently, we are using reference detection - * from HS/VS, i.e. REFPIX/REFLINE denote frame start sync point - * which is position of rising VS with coincident rising HS. - * - * Now there is some issues to take care of: - * - HDMI data islands require sync-before-active - * - TDA998x register values must be > 0 to be enabled - * - REFLINE needs an additional offset of +1 - * - REFPIX needs an addtional offset of +1 for UYUV and +3 for RGB - * - * So we add +1 to all horizontal and vertical register values, - * plus an additional +3 for REFPIX as we are using RGB input only. - */ - n_pix = mode->htotal; - n_line = mode->vtotal; - - hs_pix_e = mode->hsync_end - mode->hdisplay; - hs_pix_s = mode->hsync_start - mode->hdisplay; - de_pix_e = mode->htotal; - de_pix_s = mode->htotal - mode->hdisplay; - ref_pix = 3 + hs_pix_s; - - /* - * Attached LCD controllers may generate broken sync. Allow - * those to adjust the position of the rising VS edge by adding - * HSKEW to ref_pix. - */ - if (adjusted_mode->flags & DRM_MODE_FLAG_HSKEW) - ref_pix += adjusted_mode->hskew; - - if ((mode->flags & DRM_MODE_FLAG_INTERLACE) == 0) { - ref_line = 1 + mode->vsync_start - mode->vdisplay; - vwin1_line_s = mode->vtotal - mode->vdisplay - 1; - vwin1_line_e = vwin1_line_s + mode->vdisplay; - vs1_pix_s = vs1_pix_e = hs_pix_s; - vs1_line_s = mode->vsync_start - mode->vdisplay; - vs1_line_e = vs1_line_s + - mode->vsync_end - mode->vsync_start; - vwin2_line_s = vwin2_line_e = 0; - vs2_pix_s = vs2_pix_e = 0; - vs2_line_s = vs2_line_e = 0; - } else { - ref_line = 1 + (mode->vsync_start - mode->vdisplay)/2; - vwin1_line_s = (mode->vtotal - mode->vdisplay)/2; - vwin1_line_e = vwin1_line_s + mode->vdisplay/2; - vs1_pix_s = vs1_pix_e = hs_pix_s; - vs1_line_s = (mode->vsync_start - mode->vdisplay)/2; - vs1_line_e = vs1_line_s + - (mode->vsync_end - mode->vsync_start)/2; - vwin2_line_s = vwin1_line_s + mode->vtotal/2; - vwin2_line_e = vwin2_line_s + mode->vdisplay/2; - vs2_pix_s = vs2_pix_e = hs_pix_s + mode->htotal/2; - vs2_line_s = vs1_line_s + mode->vtotal/2 ; - vs2_line_e = vs2_line_s + - (mode->vsync_end - mode->vsync_start)/2; - } - - /* - * Select pixel repeat depending on the double-clock flag - * (which means we have to repeat each pixel once.) - */ - rep = mode->flags & DRM_MODE_FLAG_DBLCLK ? 1 : 0; - sel_clk = SEL_CLK_ENA_SC_CLK | SEL_CLK_SEL_CLK1 | - SEL_CLK_SEL_VRF_CLK(rep ? 2 : 0); - - /* the TMDS clock is scaled up by the pixel repeat */ - tmds_clock = mode->clock * (1 + rep); - - /* - * The divisor is power-of-2. The TDA9983B datasheet gives - * this as ranges of Msample/s, which is 10x the TMDS clock: - * 0 - 800 to 1500 Msample/s - * 1 - 400 to 800 Msample/s - * 2 - 200 to 400 Msample/s - * 3 - as 2 above - */ - for (div = 0; div < 3; div++) - if (80000 >> div <= tmds_clock) - break; - - mutex_lock(&priv->audio_mutex); - - priv->tmds_clock = tmds_clock; - - /* mute the audio FIFO: */ - reg_set(priv, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); - - /* set HDMI HDCP mode off: */ - reg_write(priv, REG_TBG_CNTRL_1, TBG_CNTRL_1_DWIN_DIS); - reg_clear(priv, REG_TX33, TX33_HDMI); - reg_write(priv, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(0)); - - /* no pre-filter or interpolator: */ - reg_write(priv, REG_HVF_CNTRL_0, HVF_CNTRL_0_PREFIL(0) | - HVF_CNTRL_0_INTPOL(0)); - reg_set(priv, REG_FEAT_POWERDOWN, FEAT_POWERDOWN_PREFILT); - reg_write(priv, REG_VIP_CNTRL_5, VIP_CNTRL_5_SP_CNT(0)); - reg_write(priv, REG_VIP_CNTRL_4, VIP_CNTRL_4_BLANKIT(0) | - VIP_CNTRL_4_BLC(0)); - - reg_clear(priv, REG_PLL_SERIAL_1, PLL_SERIAL_1_SRL_MAN_IZ); - reg_clear(priv, REG_PLL_SERIAL_3, PLL_SERIAL_3_SRL_CCIR | - PLL_SERIAL_3_SRL_DE); - reg_write(priv, REG_SERIALIZER, 0); - reg_write(priv, REG_HVF_CNTRL_1, HVF_CNTRL_1_VQR(0)); - - reg_write(priv, REG_RPT_CNTRL, RPT_CNTRL_REPEAT(rep)); - reg_write(priv, REG_SEL_CLK, sel_clk); - reg_write(priv, REG_PLL_SERIAL_2, PLL_SERIAL_2_SRL_NOSC(div) | - PLL_SERIAL_2_SRL_PR(rep)); - - /* set color matrix according to output rgb quant range */ - if (priv->rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) { - static u8 tda998x_full_to_limited_range[] = { - MAT_CONTRL_MAT_SC(2), - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x03, 0x6f, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x03, 0x6f, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x03, 0x6f, - 0x00, 0x40, 0x00, 0x40, 0x00, 0x40 - }; - reg_clear(priv, REG_FEAT_POWERDOWN, FEAT_POWERDOWN_CSC); - reg_write_range(priv, REG_MAT_CONTRL, - tda998x_full_to_limited_range, - sizeof(tda998x_full_to_limited_range)); - } else { - reg_write(priv, REG_MAT_CONTRL, MAT_CONTRL_MAT_BP | - MAT_CONTRL_MAT_SC(1)); - reg_set(priv, REG_FEAT_POWERDOWN, FEAT_POWERDOWN_CSC); - } - - /* set BIAS tmds value: */ - reg_write(priv, REG_ANA_GENERAL, 0x09); - - /* - * Sync on rising HSYNC/VSYNC - */ - reg = VIP_CNTRL_3_SYNC_HS; - - /* - * TDA19988 requires high-active sync at input stage, - * so invert low-active sync provided by master encoder here - */ - if (mode->flags & DRM_MODE_FLAG_NHSYNC) - reg |= VIP_CNTRL_3_H_TGL; - if (mode->flags & DRM_MODE_FLAG_NVSYNC) - reg |= VIP_CNTRL_3_V_TGL; - reg_write(priv, REG_VIP_CNTRL_3, reg); - - reg_write(priv, REG_VIDFORMAT, 0x00); - reg_write16(priv, REG_REFPIX_MSB, ref_pix); - reg_write16(priv, REG_REFLINE_MSB, ref_line); - reg_write16(priv, REG_NPIX_MSB, n_pix); - reg_write16(priv, REG_NLINE_MSB, n_line); - reg_write16(priv, REG_VS_LINE_STRT_1_MSB, vs1_line_s); - reg_write16(priv, REG_VS_PIX_STRT_1_MSB, vs1_pix_s); - reg_write16(priv, REG_VS_LINE_END_1_MSB, vs1_line_e); - reg_write16(priv, REG_VS_PIX_END_1_MSB, vs1_pix_e); - reg_write16(priv, REG_VS_LINE_STRT_2_MSB, vs2_line_s); - reg_write16(priv, REG_VS_PIX_STRT_2_MSB, vs2_pix_s); - reg_write16(priv, REG_VS_LINE_END_2_MSB, vs2_line_e); - reg_write16(priv, REG_VS_PIX_END_2_MSB, vs2_pix_e); - reg_write16(priv, REG_HS_PIX_START_MSB, hs_pix_s); - reg_write16(priv, REG_HS_PIX_STOP_MSB, hs_pix_e); - reg_write16(priv, REG_VWIN_START_1_MSB, vwin1_line_s); - reg_write16(priv, REG_VWIN_END_1_MSB, vwin1_line_e); - reg_write16(priv, REG_VWIN_START_2_MSB, vwin2_line_s); - reg_write16(priv, REG_VWIN_END_2_MSB, vwin2_line_e); - reg_write16(priv, REG_DE_START_MSB, de_pix_s); - reg_write16(priv, REG_DE_STOP_MSB, de_pix_e); - - if (priv->rev == TDA19988) { - /* let incoming pixels fill the active space (if any) */ - reg_write(priv, REG_ENABLE_SPACE, 0x00); - } - - /* - * Always generate sync polarity relative to input sync and - * revert input stage toggled sync at output stage - */ - reg = TBG_CNTRL_1_DWIN_DIS | TBG_CNTRL_1_TGL_EN; - if (mode->flags & DRM_MODE_FLAG_NHSYNC) - reg |= TBG_CNTRL_1_H_TGL; - if (mode->flags & DRM_MODE_FLAG_NVSYNC) - reg |= TBG_CNTRL_1_V_TGL; - reg_write(priv, REG_TBG_CNTRL_1, reg); - - /* must be last register set: */ - reg_write(priv, REG_TBG_CNTRL_0, 0); - - /* CEA-861B section 6 says that: - * CEA version 1 (CEA-861) has no support for infoframes. - * CEA version 2 (CEA-861A) supports version 1 AVI infoframes, - * and optional basic audio. - * CEA version 3 (CEA-861B) supports version 1 and 2 AVI infoframes, - * and optional digital audio, with audio infoframes. - * - * Since we only support generation of version 2 AVI infoframes, - * ignore CEA version 2 and below (iow, behave as if we're a - * CEA-861 source.) - */ - priv->supports_infoframes = priv->connector.display_info.cea_rev >= 3; - - if (priv->supports_infoframes) { - /* We need to turn HDMI HDCP stuff on to get audio through */ - reg &= ~TBG_CNTRL_1_DWIN_DIS; - reg_write(priv, REG_TBG_CNTRL_1, reg); - reg_write(priv, REG_ENC_CNTRL, ENC_CNTRL_CTL_CODE(1)); - reg_set(priv, REG_TX33, TX33_HDMI); - - tda998x_write_avi(priv, adjusted_mode); - tda998x_write_vsi(priv, adjusted_mode); - - if (priv->sink_has_audio) - tda998x_configure_audio(priv); - } - - mutex_unlock(&priv->audio_mutex); -} - -static const struct drm_bridge_funcs tda998x_bridge_funcs = { - .attach = tda998x_bridge_attach, - .detach = tda998x_bridge_detach, - .mode_valid = tda998x_bridge_mode_valid, - .disable = tda998x_bridge_disable, - .mode_set = tda998x_bridge_mode_set, - .enable = tda998x_bridge_enable, -}; - -/* I2C driver functions */ - -static int tda998x_get_audio_ports(struct tda998x_priv *priv, - struct device_node *np) -{ - const u32 *port_data; - u32 size; - int i; - - port_data = of_get_property(np, "audio-ports", &size); - if (!port_data) - return 0; - - size /= sizeof(u32); - if (size > 2 * ARRAY_SIZE(priv->audio_port_enable) || size % 2 != 0) { - dev_err(&priv->hdmi->dev, - "Bad number of elements in audio-ports dt-property\n"); - return -EINVAL; - } - - size /= 2; - - for (i = 0; i < size; i++) { - unsigned int route; - u8 afmt = be32_to_cpup(&port_data[2*i]); - u8 ena_ap = be32_to_cpup(&port_data[2*i+1]); - - switch (afmt) { - case AFMT_I2S: - route = AUDIO_ROUTE_I2S; - break; - case AFMT_SPDIF: - route = AUDIO_ROUTE_SPDIF; - break; - default: - dev_err(&priv->hdmi->dev, - "Bad audio format %u\n", afmt); - return -EINVAL; - } - - if (!ena_ap) { - dev_err(&priv->hdmi->dev, "invalid zero port config\n"); - continue; - } - - if (priv->audio_port_enable[route]) { - dev_err(&priv->hdmi->dev, - "%s format already configured\n", - route == AUDIO_ROUTE_SPDIF ? "SPDIF" : "I2S"); - return -EINVAL; - } - - priv->audio_port_enable[route] = ena_ap; - } - return 0; -} - -static int tda998x_set_config(struct tda998x_priv *priv, - const struct tda998x_encoder_params *p) -{ - priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(p->swap_a) | - (p->mirr_a ? VIP_CNTRL_0_MIRR_A : 0) | - VIP_CNTRL_0_SWAP_B(p->swap_b) | - (p->mirr_b ? VIP_CNTRL_0_MIRR_B : 0); - priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(p->swap_c) | - (p->mirr_c ? VIP_CNTRL_1_MIRR_C : 0) | - VIP_CNTRL_1_SWAP_D(p->swap_d) | - (p->mirr_d ? VIP_CNTRL_1_MIRR_D : 0); - priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(p->swap_e) | - (p->mirr_e ? VIP_CNTRL_2_MIRR_E : 0) | - VIP_CNTRL_2_SWAP_F(p->swap_f) | - (p->mirr_f ? VIP_CNTRL_2_MIRR_F : 0); - - if (p->audio_params.format != AFMT_UNUSED) { - unsigned int ratio, route; - bool spdif = p->audio_params.format == AFMT_SPDIF; - - route = AUDIO_ROUTE_I2S + spdif; - - priv->audio.route = &tda998x_audio_route[route]; - priv->audio.cea = p->audio_params.cea; - priv->audio.sample_rate = p->audio_params.sample_rate; - memcpy(priv->audio.status, p->audio_params.status, - min(sizeof(priv->audio.status), - sizeof(p->audio_params.status))); - priv->audio.ena_ap = p->audio_params.config; - priv->audio.i2s_format = I2S_FORMAT_PHILIPS; - - ratio = spdif ? 64 : p->audio_params.sample_width * 2; - return tda998x_derive_cts_n(priv, &priv->audio, ratio); - } - - return 0; -} - -static void tda998x_destroy(struct device *dev) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - - drm_bridge_remove(&priv->bridge); - - /* disable all IRQs and free the IRQ handler */ - cec_write(priv, REG_CEC_RXSHPDINTENA, 0); - reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); - - if (priv->audio_pdev) - platform_device_unregister(priv->audio_pdev); - - if (priv->hdmi->irq) - free_irq(priv->hdmi->irq, priv); - - del_timer_sync(&priv->edid_delay_timer); - cancel_work_sync(&priv->detect_work); - - i2c_unregister_device(priv->cec); - - cec_notifier_conn_unregister(priv->cec_notify); -} - -static int tda998x_create(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct device_node *np = client->dev.of_node; - struct i2c_board_info cec_info; - struct tda998x_priv *priv; - u32 video; - int rev_lo, rev_hi, ret; - - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - dev_set_drvdata(dev, priv); - - mutex_init(&priv->mutex); /* protect the page access */ - mutex_init(&priv->audio_mutex); /* protect access from audio thread */ - mutex_init(&priv->edid_mutex); - INIT_LIST_HEAD(&priv->bridge.list); - init_waitqueue_head(&priv->edid_delay_waitq); - timer_setup(&priv->edid_delay_timer, tda998x_edid_delay_done, 0); - INIT_WORK(&priv->detect_work, tda998x_detect_work); - - priv->vip_cntrl_0 = VIP_CNTRL_0_SWAP_A(2) | VIP_CNTRL_0_SWAP_B(3); - priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1); - priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5); - - /* CEC I2C address bound to TDA998x I2C addr by configuration pins */ - priv->cec_addr = 0x34 + (client->addr & 0x03); - priv->current_page = 0xff; - priv->hdmi = client; - - /* wake up the device: */ - cec_write(priv, REG_CEC_ENAMODS, - CEC_ENAMODS_EN_RXSENS | CEC_ENAMODS_EN_HDMI); - - tda998x_reset(priv); - - /* read version: */ - rev_lo = reg_read(priv, REG_VERSION_LSB); - if (rev_lo < 0) { - dev_err(dev, "failed to read version: %d\n", rev_lo); - return rev_lo; - } - - rev_hi = reg_read(priv, REG_VERSION_MSB); - if (rev_hi < 0) { - dev_err(dev, "failed to read version: %d\n", rev_hi); - return rev_hi; - } - - priv->rev = rev_lo | rev_hi << 8; - - /* mask off feature bits: */ - priv->rev &= ~0x30; /* not-hdcp and not-scalar bit */ - - switch (priv->rev) { - case TDA9989N2: - dev_info(dev, "found TDA9989 n2"); - break; - case TDA19989: - dev_info(dev, "found TDA19989"); - break; - case TDA19989N2: - dev_info(dev, "found TDA19989 n2"); - break; - case TDA19988: - dev_info(dev, "found TDA19988"); - break; - default: - dev_err(dev, "found unsupported device: %04x\n", priv->rev); - return -ENXIO; - } - - /* after reset, enable DDC: */ - reg_write(priv, REG_DDC_DISABLE, 0x00); - - /* set clock on DDC channel: */ - reg_write(priv, REG_TX3, 39); - - /* if necessary, disable multi-master: */ - if (priv->rev == TDA19989) - reg_set(priv, REG_I2C_MASTER, I2C_MASTER_DIS_MM); - - cec_write(priv, REG_CEC_FRO_IM_CLK_CTRL, - CEC_FRO_IM_CLK_CTRL_GHOST_DIS | CEC_FRO_IM_CLK_CTRL_IMCLK_SEL); - - /* ensure interrupts are disabled */ - cec_write(priv, REG_CEC_RXSHPDINTENA, 0); - - /* clear pending interrupts */ - cec_read(priv, REG_CEC_RXSHPDINT); - reg_read(priv, REG_INT_FLAGS_0); - reg_read(priv, REG_INT_FLAGS_1); - reg_read(priv, REG_INT_FLAGS_2); - - /* initialize the optional IRQ */ - if (client->irq) { - unsigned long irq_flags; - - /* init read EDID waitqueue and HDP work */ - init_waitqueue_head(&priv->wq_edid); - - irq_flags = - irqd_get_trigger_type(irq_get_irq_data(client->irq)); - - priv->cec_glue.irq_flags = irq_flags; - - irq_flags |= IRQF_SHARED | IRQF_ONESHOT; - ret = request_threaded_irq(client->irq, NULL, - tda998x_irq_thread, irq_flags, - "tda998x", priv); - if (ret) { - dev_err(dev, "failed to request IRQ#%u: %d\n", - client->irq, ret); - goto err_irq; - } - - /* enable HPD irq */ - cec_write(priv, REG_CEC_RXSHPDINTENA, CEC_RXSHPDLEV_HPD); - } - - priv->cec_notify = cec_notifier_conn_register(dev, NULL, NULL); - if (!priv->cec_notify) { - ret = -ENOMEM; - goto fail; - } - - priv->cec_glue.parent = dev; - priv->cec_glue.data = priv; - priv->cec_glue.init = tda998x_cec_hook_init; - priv->cec_glue.exit = tda998x_cec_hook_exit; - priv->cec_glue.open = tda998x_cec_hook_open; - priv->cec_glue.release = tda998x_cec_hook_release; - - /* - * Some TDA998x are actually two I2C devices merged onto one piece - * of silicon: TDA9989 and TDA19989 combine the HDMI transmitter - * with a slightly modified TDA9950 CEC device. The CEC device - * is at the TDA9950 address, with the address pins strapped across - * to the TDA998x address pins. Hence, it always has the same - * offset. - */ - memset(&cec_info, 0, sizeof(cec_info)); - strscpy(cec_info.type, "tda9950", sizeof(cec_info.type)); - cec_info.addr = priv->cec_addr; - cec_info.platform_data = &priv->cec_glue; - cec_info.irq = client->irq; - - priv->cec = i2c_new_client_device(client->adapter, &cec_info); - if (IS_ERR(priv->cec)) { - ret = PTR_ERR(priv->cec); - goto fail; - } - - /* enable EDID read irq: */ - reg_set(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); - - if (np) { - /* get the device tree parameters */ - ret = of_property_read_u32(np, "video-ports", &video); - if (ret == 0) { - priv->vip_cntrl_0 = video >> 16; - priv->vip_cntrl_1 = video >> 8; - priv->vip_cntrl_2 = video; - } - - ret = tda998x_get_audio_ports(priv, np); - if (ret) - goto fail; - - if (priv->audio_port_enable[AUDIO_ROUTE_I2S] || - priv->audio_port_enable[AUDIO_ROUTE_SPDIF]) - tda998x_audio_codec_init(priv, &client->dev); - } else if (dev->platform_data) { - ret = tda998x_set_config(priv, dev->platform_data); - if (ret) - goto fail; - } - - priv->bridge.funcs = &tda998x_bridge_funcs; -#ifdef CONFIG_OF - priv->bridge.of_node = dev->of_node; -#endif - - drm_bridge_add(&priv->bridge); - - return 0; - -fail: - tda998x_destroy(dev); -err_irq: - return ret; -} - -/* DRM encoder functions */ - -static int tda998x_encoder_init(struct device *dev, struct drm_device *drm) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - u32 crtcs = 0; - int ret; - - if (dev->of_node) - crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); - - /* If no CRTCs were found, fall back to our old behaviour */ - if (crtcs == 0) { - dev_warn(dev, "Falling back to first CRTC\n"); - crtcs = 1 << 0; - } - - priv->encoder.possible_crtcs = crtcs; - - ret = drm_simple_encoder_init(drm, &priv->encoder, - DRM_MODE_ENCODER_TMDS); - if (ret) - goto err_encoder; - - ret = drm_bridge_attach(&priv->encoder, &priv->bridge, NULL, 0); - if (ret) - goto err_bridge; - - return 0; - -err_bridge: - drm_encoder_cleanup(&priv->encoder); -err_encoder: - return ret; -} - -static int tda998x_bind(struct device *dev, struct device *master, void *data) -{ - struct drm_device *drm = data; - - return tda998x_encoder_init(dev, drm); -} - -static void tda998x_unbind(struct device *dev, struct device *master, - void *data) -{ - struct tda998x_priv *priv = dev_get_drvdata(dev); - - drm_encoder_cleanup(&priv->encoder); -} - -static const struct component_ops tda998x_ops = { - .bind = tda998x_bind, - .unbind = tda998x_unbind, -}; - -static int -tda998x_probe(struct i2c_client *client) -{ - int ret; - - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_warn(&client->dev, "adapter does not support I2C\n"); - return -EIO; - } - - ret = tda998x_create(&client->dev); - if (ret) - return ret; - - ret = component_add(&client->dev, &tda998x_ops); - if (ret) - tda998x_destroy(&client->dev); - return ret; -} - -static void tda998x_remove(struct i2c_client *client) -{ - component_del(&client->dev, &tda998x_ops); - tda998x_destroy(&client->dev); -} - -#ifdef CONFIG_OF -static const struct of_device_id tda998x_dt_ids[] = { - { .compatible = "nxp,tda998x", }, - { } -}; -MODULE_DEVICE_TABLE(of, tda998x_dt_ids); -#endif - -static const struct i2c_device_id tda998x_ids[] = { - { "tda998x", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, tda998x_ids); - -static struct i2c_driver tda998x_driver = { - .probe = tda998x_probe, - .remove = tda998x_remove, - .driver = { - .name = "tda998x", - .of_match_table = of_match_ptr(tda998x_dt_ids), - }, - .id_table = tda998x_ids, -}; - -module_i2c_driver(tda998x_driver); - -MODULE_AUTHOR("Rob Clark <robdclark@gmail.com"); -MODULE_DESCRIPTION("NXP Semiconductors TDA998X HDMI Encoder"); -MODULE_LICENSE("GPL"); |