From patchwork Mon Apr 8 16:04:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 2410111 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 444E1DFB78 for ; Mon, 8 Apr 2013 16:26:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1C104E5F65 for ; Mon, 8 Apr 2013 09:26:16 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by gabe.freedesktop.org (Postfix) with ESMTP id 12487E5BFB for ; Mon, 8 Apr 2013 09:25:01 -0700 (PDT) Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1UPEYk-0001dQ-31; Mon, 08 Apr 2013 18:04:42 +0200 From: Philipp Zabel To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/7] staging: drm/imx: ipu-dc: add WCLK/WRG opcodes Date: Mon, 8 Apr 2013 18:04:36 +0200 Message-Id: <1365437078-22579-6-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 1.8.2.rc2 In-Reply-To: <1365437078-22579-1-git-send-email-p.zabel@pengutronix.de> References: <1365437078-22579-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org Cc: Greg Kroah-Hartman , devicetree-discuss@lists.ozlabs.org, dri-devel@lists.freedesktop.org, kernel@pengutronix.de, Fabio Estevam X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Add WRG and WCLK opcodes to the display controller microcode, and allow multi instruction codes. Signed-off-by: Philipp Zabel --- drivers/staging/imx-drm/ipu-v3/ipu-dc.c | 39 ++++++++++++++++++++------------- 1 file changed, 24 insertions(+), 15 deletions(-) diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c index fad5057..355b8a2 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c @@ -61,8 +61,10 @@ #define WROD(lf) (0x18 | ((lf) << 1)) #define WRG 0x01 +#define WCLK 0xc9 #define SYNC_WAVE 0 +#define NULL_WAVE (-1) #define DC_GEN_SYNC_1_6_SYNC (2 << 1) #define DC_GEN_SYNC_PRIORITY_1 (1 << 7) @@ -119,16 +121,23 @@ static void dc_link_event(struct ipu_dc *dc, int event, int addr, int priority) } static void dc_write_tmpl(struct ipu_dc *dc, int word, u32 opcode, u32 operand, - int map, int wave, int glue, int sync) + int map, int wave, int glue, int sync, int stop) { struct ipu_dc_priv *priv = dc->priv; - u32 reg; - int stop = 1; - - reg = sync | glue << 4 | ++wave << 11 | ++map << 15 | ((operand << 20) & 0xfff00000); - writel(reg, priv->dc_tmpl_reg + word * 8); - reg = operand >> 12 | opcode << 4 | stop << 9; - writel(reg, priv->dc_tmpl_reg + word * 8 + 4); + u32 reg1, reg2; + + if (opcode == WCLK) { + reg1 = (operand << 20) & 0xfff00000; + reg2 = operand >> 12 | opcode << 1 | stop << 9; + } else if (opcode == WRG) { + reg1 = sync | glue << 4 | ++wave << 11 | ((operand << 15) & 0xffff8000); + reg2 = operand >> 17 | opcode << 7 | stop << 9; + } else { + reg1 = sync | glue << 4 | ++wave << 11 | ++map << 15 | ((operand << 20) & 0xfff00000); + reg2 = operand >> 12 | opcode << 4 | stop << 9; + } + writel(reg1, priv->dc_tmpl_reg + word * 8); + writel(reg2, priv->dc_tmpl_reg + word * 8 + 4); } static int ipu_pixfmt_to_map(u32 fmt) @@ -165,24 +174,24 @@ int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, dc_link_event(dc, DC_EVT_NEW_DATA, 0, 1); /* Init template microcode */ - dc_write_tmpl(dc, 0, WROD(0), 0, map, SYNC_WAVE, 0, 8); + dc_write_tmpl(dc, 0, WROD(0), 0, map, SYNC_WAVE, 0, 8, 1); } else { if (dc->di) { dc_link_event(dc, DC_EVT_NL, 2, 3); dc_link_event(dc, DC_EVT_EOL, 3, 2); dc_link_event(dc, DC_EVT_NEW_DATA, 4, 1); /* Init template microcode */ - dc_write_tmpl(dc, 2, WROD(0), 0, map, SYNC_WAVE, 8, 5); - dc_write_tmpl(dc, 3, WROD(0), 0, map, SYNC_WAVE, 4, 5); - dc_write_tmpl(dc, 4, WROD(0), 0, map, SYNC_WAVE, 0, 5); + dc_write_tmpl(dc, 2, WROD(0), 0, map, SYNC_WAVE, 8, 5, 1); + dc_write_tmpl(dc, 3, WROD(0), 0, map, SYNC_WAVE, 4, 5, 1); + dc_write_tmpl(dc, 4, WROD(0), 0, map, SYNC_WAVE, 0, 5, 1); } else { dc_link_event(dc, DC_EVT_NL, 5, 3); dc_link_event(dc, DC_EVT_EOL, 6, 2); dc_link_event(dc, DC_EVT_NEW_DATA, 7, 1); /* Init template microcode */ - dc_write_tmpl(dc, 5, WROD(0), 0, map, SYNC_WAVE, 8, 5); - dc_write_tmpl(dc, 6, WROD(0), 0, map, SYNC_WAVE, 4, 5); - dc_write_tmpl(dc, 7, WROD(0), 0, map, SYNC_WAVE, 0, 5); + dc_write_tmpl(dc, 5, WROD(0), 0, map, SYNC_WAVE, 8, 5, 1); + dc_write_tmpl(dc, 6, WROD(0), 0, map, SYNC_WAVE, 4, 5, 1); + dc_write_tmpl(dc, 7, WROD(0), 0, map, SYNC_WAVE, 0, 5, 1); } } dc_link_event(dc, DC_EVT_NF, 0, 0);