From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sumit Semwal Subject: [PATCH v4 08/17] OMAP2,3: DSS2: Build omap_device for each DSS HWIP Date: Fri, 7 Jan 2011 08:49:02 +0530 Message-ID: <1294370351-8654-9-git-send-email-sumit.semwal@ti.com> References: <1294370351-8654-1-git-send-email-sumit.semwal@ti.com> Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:59650 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755459Ab1AGDUN (ORCPT ); Thu, 6 Jan 2011 22:20:13 -0500 In-Reply-To: <1294370351-8654-1-git-send-email-sumit.semwal@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: tomi.valkeinen@nokia.com, paul@pwsan.com, khilman@deeprootsystems.com, hvaibhav@ti.com, linux-omap@vger.kernel.org Cc: Senthilvadivu Guruswamy , Sumit Semwal From: Senthilvadivu Guruswamy Looks up the hwmod database for each of the given DSS HW IP and builds omap_device which inturn does the platform device register for each of DSS HW IP Signed-off-by: Senthilvadivu Guruswamy Signed-off-by: Sumit Semwal --- arch/arm/mach-omap2/display.c | 44 +++++++++++++++++++++++++++++ arch/arm/plat-omap/include/plat/display.h | 6 ++++ 2 files changed, 50 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 26d3feb..276b800 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -36,10 +36,54 @@ static struct platform_device omap_display_device = { }, }; +static struct omap_device_pm_latency omap_dss_latency[] = { + [0] = { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + }, +}; + int __init omap_display_init(struct omap_dss_board_info *board_data) { int r = 0; + struct omap_hwmod *oh; + struct omap_device *od; + int i; + struct omap_display_platform_data pdata; + char *oh_name[] = { "dss_dss", /* omap2,3 */ + "dss_dispc", /* omap2,3 */ + "dss_rfbi", /* omap2,3 */ + "dss_venc", /* omap2,3 */ + "dss_dsi1" }; /* omap3 */ + char *dev_name[] = { "omap_dss", "omap_dispc", "omap_rfbi", + "omap_venc", "omap_dsi1" }; + int oh_count; + + if (cpu_is_omap24xx()) { + oh_count = ARRAY_SIZE(oh_name) - 1; + /* last hwmod dev in oh_name is not available for omap2 */ + } else { + oh_count = ARRAY_SIZE(oh_name); + } + + pdata.board_data = board_data; + pdata.board_data->get_last_off_on_transaction_id = NULL; + + for (i = 0; i < oh_count; i++) { + oh = omap_hwmod_lookup(oh_name[i]); + if (!oh) { + pr_err("Could not look up %s\n", oh_name[i]); + return r; + } + od = omap_device_build(dev_name[i], -1, oh, &pdata, + sizeof(struct omap_display_platform_data), + omap_dss_latency, + ARRAY_SIZE(omap_dss_latency), 0); + + WARN((IS_ERR(od)), "Could not build omap_device for %s\n", + oh_name[i]); + } omap_display_device.dev.platform_data = board_data; r = platform_device_register(&omap_display_device); diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h index 871bbae..23afd6d 100644 --- a/arch/arm/plat-omap/include/plat/display.h +++ b/arch/arm/plat-omap/include/plat/display.h @@ -26,6 +26,7 @@ #include #include + #define DISPC_IRQ_FRAMEDONE (1 << 0) #define DISPC_IRQ_VSYNC (1 << 1) #define DISPC_IRQ_EVSYNC_EVEN (1 << 2) @@ -224,6 +225,11 @@ struct omap_dss_board_info { /* Init with the board info */ extern int omap_display_init(struct omap_dss_board_info *board_data); +struct omap_display_platform_data { + struct omap_dss_board_info *board_data; + /* TODO: Additional members to be added when PM is considered */ +}; + struct omap_video_timings { /* Unit: pixels */ u16 x_res; -- 1.7.0.4