From patchwork Sun Aug 13 18:05:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13352191 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3FC2C001DB for ; Sun, 13 Aug 2023 18:05:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229821AbjHMSF1 (ORCPT ); Sun, 13 Aug 2023 14:05:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229682AbjHMSF1 (ORCPT ); Sun, 13 Aug 2023 14:05:27 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 397FF19F for ; Sun, 13 Aug 2023 11:05:28 -0700 (PDT) X-IronPort-AV: E=Sophos;i="6.01,170,1684767600"; d="scan'208";a="176521194" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 14 Aug 2023 03:05:27 +0900 Received: from localhost.localdomain (unknown [10.226.92.13]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 80BB3405D103; Mon, 14 Aug 2023 03:05:21 +0900 (JST) From: Biju Das To: Andrzej Hajda , Neil Armstrong , Robert Foss , David Airlie , Daniel Vetter Cc: Biju Das , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Abhinav Kumar , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Andy Shevchenko , Javier Martinez Canillas , Ahmad Fatoum , Rob Herring , Bogdan Togorean , Adam Ford , dri-devel@lists.freedesktop.org, Geert Uytterhoeven , linux-renesas-soc@vger.kernel.org Subject: [PATCH 1/7] drm: adv7511: Add struct adv7511_chip_info and use i2c_get_match_data() Date: Sun, 13 Aug 2023 19:05:06 +0100 Message-Id: <20230813180512.307418-2-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230813180512.307418-1-biju.das.jz@bp.renesas.com> References: <20230813180512.307418-1-biju.das.jz@bp.renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add struct adv7511_chip_info to handle hw differences between various chips rather checking against the 'type' variable in various places. Replace 'adv->type'->'info->type' by moving variable 'type' from struct adv7511 to struct adv7511_chip_info. Replace of_device_get_match_data() and ID lookup for retrieving match data with i2c_get_match_data() by adding adv7511_chip_info as device data for both OF and ID tables. Signed-off-by: Biju Das Reviewed-by: Adam Ford Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/bridge/adv7511/adv7511.h | 6 +- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 68 +++++++++++--------- drivers/gpu/drm/bridge/adv7511/adv7533.c | 4 +- 3 files changed, 46 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 17445800248d..59e8ef10d72e 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -333,6 +333,10 @@ enum adv7511_type { #define ADV7511_MAX_ADDRS 3 +struct adv7511_chip_info { + enum adv7511_type type; +}; + struct adv7511 { struct i2c_client *i2c_main; struct i2c_client *i2c_edid; @@ -377,7 +381,7 @@ struct adv7511 { u8 num_dsi_lanes; bool use_timing_gen; - enum adv7511_type type; + const struct adv7511_chip_info *info; struct platform_device *audio_pdev; struct cec_adapter *cec_adap; diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 2611afd2c1c1..013d8d640ef4 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -354,7 +354,7 @@ static void __adv7511_power_on(struct adv7511 *adv7511) * first few seconds after enabling the output. On the other hand * adv7535 require to enable HPD Override bit for proper HPD. */ - if (adv7511->type == ADV7535) + if (adv7511->info->type == ADV7535) regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, ADV7535_REG_POWER2_HPD_OVERRIDE, ADV7535_REG_POWER2_HPD_OVERRIDE); @@ -373,7 +373,7 @@ static void adv7511_power_on(struct adv7511 *adv7511) */ regcache_sync(adv7511->regmap); - if (adv7511->type == ADV7533 || adv7511->type == ADV7535) + if (adv7511->info->type == ADV7533 || adv7511->info->type == ADV7535) adv7533_dsi_power_on(adv7511); adv7511->powered = true; } @@ -381,7 +381,7 @@ static void adv7511_power_on(struct adv7511 *adv7511) static void __adv7511_power_off(struct adv7511 *adv7511) { /* TODO: setup additional power down modes */ - if (adv7511->type == ADV7535) + if (adv7511->info->type == ADV7535) regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, ADV7535_REG_POWER2_HPD_OVERRIDE, 0); @@ -397,7 +397,7 @@ static void __adv7511_power_off(struct adv7511 *adv7511) static void adv7511_power_off(struct adv7511 *adv7511) { __adv7511_power_off(adv7511); - if (adv7511->type == ADV7533 || adv7511->type == ADV7535) + if (adv7511->info->type == ADV7533 || adv7511->info->type == ADV7535) adv7533_dsi_power_off(adv7511); adv7511->powered = false; } @@ -682,7 +682,7 @@ adv7511_detect(struct adv7511 *adv7511, struct drm_connector *connector) status = connector_status_disconnected; } else { /* Renable HPD sensing */ - if (adv7511->type == ADV7535) + if (adv7511->info->type == ADV7535) regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, ADV7535_REG_POWER2_HPD_OVERRIDE, ADV7535_REG_POWER2_HPD_OVERRIDE); @@ -786,7 +786,7 @@ static void adv7511_mode_set(struct adv7511 *adv7511, else low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE; - if (adv7511->type == ADV7511) + if (adv7511->info->type == ADV7511) regmap_update_bits(adv7511->regmap, 0xfb, 0x6, low_refresh_rate << 1); else @@ -921,7 +921,7 @@ static enum drm_mode_status adv7511_bridge_mode_valid(struct drm_bridge *bridge, { struct adv7511 *adv = bridge_to_adv7511(bridge); - if (adv->type == ADV7533 || adv->type == ADV7535) + if (adv->info->type == ADV7533 || adv->info->type == ADV7535) return adv7533_mode_valid(adv, mode); else return adv7511_mode_valid(adv, mode); @@ -1009,7 +1009,7 @@ static int adv7511_init_regulators(struct adv7511 *adv) unsigned int i; int ret; - if (adv->type == ADV7511) { + if (adv->info->type == ADV7511) { supply_names = adv7511_supply_names; adv->num_supplies = ARRAY_SIZE(adv7511_supply_names); } else { @@ -1093,7 +1093,7 @@ static int adv7511_init_cec_regmap(struct adv7511 *adv) goto err; } - if (adv->type == ADV7533 || adv->type == ADV7535) { + if (adv->info->type == ADV7533 || adv->info->type == ADV7535) { ret = adv7533_patch_cec_registers(adv); if (ret) goto err; @@ -1192,7 +1192,7 @@ static int adv7511_parse_dt(struct device_node *np, static int adv7511_probe(struct i2c_client *i2c) { - const struct i2c_device_id *id = i2c_client_get_device_id(i2c); + static const struct adv7511_chip_info *info; struct adv7511_link_config link_config; struct adv7511 *adv7511; struct device *dev = &i2c->dev; @@ -1206,18 +1206,16 @@ static int adv7511_probe(struct i2c_client *i2c) if (!adv7511) return -ENOMEM; + info = i2c_get_match_data(i2c); + adv7511->i2c_main = i2c; adv7511->powered = false; adv7511->status = connector_status_disconnected; - - if (dev->of_node) - adv7511->type = (enum adv7511_type)of_device_get_match_data(dev); - else - adv7511->type = id->driver_data; + adv7511->info = info; memset(&link_config, 0, sizeof(link_config)); - if (adv7511->type == ADV7511) + if (adv7511->info->type == ADV7511) ret = adv7511_parse_dt(dev->of_node, &link_config); else ret = adv7533_parse_dt(dev->of_node, adv7511); @@ -1254,7 +1252,7 @@ static int adv7511_probe(struct i2c_client *i2c) goto uninit_regulators; dev_dbg(dev, "Rev. %d\n", val); - if (adv7511->type == ADV7511) + if (info->type == ADV7511) ret = regmap_register_patch(adv7511->regmap, adv7511_fixed_registers, ARRAY_SIZE(adv7511_fixed_registers)); @@ -1306,7 +1304,7 @@ static int adv7511_probe(struct i2c_client *i2c) i2c_set_clientdata(i2c, adv7511); - if (adv7511->type == ADV7511) + if (info->type == ADV7511) adv7511_set_link_config(adv7511, &link_config); ret = adv7511_cec_init(dev, adv7511); @@ -1325,7 +1323,7 @@ static int adv7511_probe(struct i2c_client *i2c) adv7511_audio_init(dev, adv7511); - if (adv7511->type == ADV7533 || adv7511->type == ADV7535) { + if (info->type == ADV7533 || info->type == ADV7535) { ret = adv7533_attach_dsi(adv7511); if (ret) goto err_unregister_audio; @@ -1368,22 +1366,34 @@ static void adv7511_remove(struct i2c_client *i2c) i2c_unregister_device(adv7511->i2c_edid); } +static const struct adv7511_chip_info adv7511_chip_info = { + .type = ADV7511 +}; + +static const struct adv7511_chip_info adv7533_chip_info = { + .type = ADV7533 +}; + +static const struct adv7511_chip_info adv7535_chip_info = { + .type = ADV7535 +}; + static const struct i2c_device_id adv7511_i2c_ids[] = { - { "adv7511", ADV7511 }, - { "adv7511w", ADV7511 }, - { "adv7513", ADV7511 }, - { "adv7533", ADV7533 }, - { "adv7535", ADV7535 }, + { "adv7511", (kernel_ulong_t)&adv7511_chip_info }, + { "adv7511w", (kernel_ulong_t)&adv7511_chip_info }, + { "adv7513", (kernel_ulong_t)&adv7511_chip_info }, + { "adv7533", (kernel_ulong_t)&adv7533_chip_info }, + { "adv7535", (kernel_ulong_t)&adv7535_chip_info }, { } }; MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids); static const struct of_device_id adv7511_of_ids[] = { - { .compatible = "adi,adv7511", .data = (void *)ADV7511 }, - { .compatible = "adi,adv7511w", .data = (void *)ADV7511 }, - { .compatible = "adi,adv7513", .data = (void *)ADV7511 }, - { .compatible = "adi,adv7533", .data = (void *)ADV7533 }, - { .compatible = "adi,adv7535", .data = (void *)ADV7535 }, + { .compatible = "adi,adv7511", .data = &adv7511_chip_info }, + { .compatible = "adi,adv7511w", .data = &adv7511_chip_info }, + { .compatible = "adi,adv7513", .data = &adv7511_chip_info }, + { .compatible = "adi,adv7533", .data = &adv7533_chip_info }, + { .compatible = "adi,adv7535", .data = &adv7535_chip_info }, { } }; MODULE_DEVICE_TABLE(of, adv7511_of_ids); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 7e3e56441aed..c452c4dc1c3f 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -108,11 +108,11 @@ enum drm_mode_status adv7533_mode_valid(struct adv7511 *adv, u8 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format); /* Check max clock for either 7533 or 7535 */ - if (mode->clock > (adv->type == ADV7533 ? 80000 : 148500)) + if (mode->clock > (adv->info->type == ADV7533 ? 80000 : 148500)) return MODE_CLOCK_HIGH; /* Check max clock for each lane */ - max_lane_freq = (adv->type == ADV7533 ? 800000 : 891000); + max_lane_freq = (adv->info->type == ADV7533 ? 800000 : 891000); if (mode->clock * bpp > max_lane_freq * adv->num_dsi_lanes) return MODE_CLOCK_HIGH;