From: saeed bishara <saeed.bishara@gmail.com>
To: apatard@mandriva.com
Cc: alsa-devel@alsa-project.org, nico@fluxnic.net,
broonie@opensource.wolfsonmicro.com, saeed@marvell.com,
tbm@cyrius.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [patch 5/6] orion/kirkwood: Add i2s support
Date: Mon, 17 May 2010 08:23:31 +0300 [thread overview]
Message-ID: <AANLkTim31zMgvsSdcidDvmD-Q3124w48PVxMnT3nL5O6@mail.gmail.com> (raw)
In-Reply-To: <20100515153130.937921459@mandriva.com>
> + /* First disable and clear windows */
> + for (win_num = 0; win_num < ORION_MAX_AUDIO_WIN; win_num++) {
> + writel(0, base + ORION_AUDIO_WIN_CTRL_REG(win_num));
> + writel(0, base + ORION_AUDIO_WIN_BASE_REG(win_num));
> + }
> +
> + /* Setup windows for DDR */
> + for (win_num = 0; win_num < ORION_MAX_AUDIO_WIN; win_num++) {
> + /* We will set the Window to DRAM_CS1 in default */
> + struct mbus_dram_window *cs = &dram->cs[1];
> + writel(cs->base & 0xffff0000,
> + base + ORION_AUDIO_WIN_BASE_REG(win_num));
> + writel(((cs->size - 1) & 0xffff0000) |
> + (cs->mbus_attr << 8) |
> + (dram->mbus_dram_target_id << 4) | 1,
> + base + ORION_AUDIO_WIN_CTRL_REG(win_num));
> + }
> +}
The i2s controller has one window for playback, so that window must be
set according to the current dma address, i.e, if the dma address
falls into csX then the window should be configured to csX. same for
record.
sorry for the late comment.
saeed
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next prev parent reply other threads:[~2010-05-17 5:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-15 15:29 [patch 0/6] kirkwood openrd client audio support - v2 apatard
2010-05-15 15:29 ` [patch 1/6] orion/kirkwood: add audio functions apatard
2010-05-16 17:35 ` Mark Brown
2010-05-15 15:30 ` [patch 2/6] openrd-client: initialise audio apatard
2010-05-16 17:36 ` Mark Brown
2010-05-15 15:30 ` [patch 3/6] ASoC: Add SOC_DOUBLE_R_SX_TLV control apatard
2010-05-16 17:09 ` Mark Brown
2010-05-15 15:30 ` [patch 4/6] cs42l51: add asoc driver apatard
2010-05-16 17:27 ` Mark Brown
2010-05-15 15:30 ` [patch 5/6] orion/kirkwood: Add i2s support apatard
2010-05-16 17:31 ` Mark Brown
2010-05-17 5:23 ` saeed bishara [this message]
2010-05-15 15:30 ` [patch 6/6] kirkwood: Add audio support to openrd client platforms apatard
2010-05-15 16:52 ` [patch 6/6] kirkwood: Add audio support to openrd?client platforms Alexander Clouter
2010-05-16 17:32 ` [patch 6/6] kirkwood: Add audio support to openrd client platforms Mark Brown
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