| Commit message (Collapse) | Author | Age | Files | Lines |
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Instead of just plain NULL.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Instead of just plain NULL.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Instead of just plain NULL.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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And use vga_{r,w}().
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Instead of magic register location constants.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add support for ZGI Z9 DDR2 POST. The init sequence is from XGI's
xgifb driver.
Tested with ARM board using a PCI card with XGI Z9s and 32 MB DDR2
memory. After a cold reset the POST succeeds.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Move DDR2 register setting code into separate subroutines. No changes
in functionality.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Detect the XGI Z9 RAM type as "documented" by the XGI's xgifb driver.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Z7 and Z9 have the same PCI ID, so additional checking is needed to
detect Z9. The method was "documented" in XGI's xgifb driver.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Move XGI POST RAM type detection into a separate subroutine to make
further code changes easier. No changes in functionality
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Currently there is no indication if R/W test fails during POST. This can
happen e.g. when user plugs in a card with unsupported type of memory.
Since the driver will be unusable, it's better to fail the whole POST
if the memory cannot be configured properly.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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TI folks seem to have a rather schizophrenic relationship with author
naming conventions, stub in mailmap entries to match with the sign-off
convention.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Conflicts:
arch/arm/mach-omap2/board-overo.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Adding DVI support to OMAP4 PandaBoard.
PandaBoard uses TFP410 DVI Framer chip
http://focus.ti.com/lit/ds/symlink/tfp410.pdf
The TFP410 gets its power enable and display data over GPIO lines muxed
in from OMAP4430. PandaBoard supports other LCD displays through
expansion
connectors, following board rework. This will disable the DVI interface.
However, the existing mux settings remain the same
PandaBoard additionally supports display over HDMI interface. It is
mutually exclusive to display over DVI. Hence the mux settings need to
be
configured seperately, as and when HDMI is enabled
Also, I2C3 bus used for reading EDID data from DVI Monitors is
registered here. Since the design is similar to BeagleBoard, the code
for the same is taken from the kernel.org commit e3333f48dd5cb21
(omap: Adding beagle i2c eeprom driver to read EDID)
Reviewed-by: Manjunath G Kondaiah <manjugk@ti.com>
Reviewed-by: Anand Gadiyar <gadiyar@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Raghuveer Murthy <raghuveer.murthy@ti.com>
[tomi.valkeinen@ti.com: fixed conflicts with HDMI]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add dss.dpll4_m4_ck (DSS FCLK) initialization for OMAP4. This is used
to compute the pixel clock for DPI interface and also to reconfigure
the DSS FCLK to the desired rate, corresponding to the rate computed
for pixel clock.
Adding these cpu_is_44xx() checks are meant to be temporary, until a
cleaner implementation to manage these checks are added. Currently this
is needed to get DVI display running on OMAP4 PandaBoard
Signed-off-by: Raghuveer Murthy <raghuveer.murthy@ti.com>
[tomi.valkeinen@ti.com: minor changes due to conflicts]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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OMAP2 does not have dpll4_m4_ck source clock for dss functional clock,
but later OMAPs do. Currently we check for cpu type in multiple places
to find out if dpll4_m4_ck is available.
This patch cleans up dss.c by using the fact that dss.dpll4_m4_ck
pointer is NULL on OMAP2. This allows us to remove many of the cpu
checks.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding board file structure for display which adds the display
structure with HDMI as the default driver when the display init
is called.
HDMI GPIO configurations are also done in this file.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding board file structure for display which adds the display
structure with HDMI as the default driver when the display init
is called.
HDMI GPIO configurations are also done in this file.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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calling the platform registration of HDMI driver from core
during initialization.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding kconfig and makefile changes to add support for HDMI in OMAP4.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The panel driver(hdmi_omap4_panel.c) in omap2/dss acts as a controller
to manage the enable and disable requests and synchronize audio and video.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding the hdmi interface driver(hdmi.c) to the dss driver. It configures
the audio and video portion of HDMI based on functionality called by the
panel driver.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Yong Zhi <y-zhi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding the hdmi interface driver header file (hdmi.h) to the dss driver.
Register and structure declaration done here.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding function to reset/set gamma table bit for TV interface, currently
only support for disabled is added.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding function to select between HDMI or VENC clock source.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Adding display type HDMI in dss_features, overlay and the manager so that
HDMI type of display will be recognized.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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print_irq_status functions can be called with empty irq status when full
irq debugging is enabled. This patch makes print_irq_status functions
return immediately when given an empty irq status to lessen the debug
spam slightly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dsi_vc_send_bta_sync() waits for BTA interrupt with a 500ms timeout. If
a DSI error happens, no BTA is received and the timeout triggers. This
could be handled much faster by listening to DSI errors also.
This patch uses the ISR support to notice DSI errors while waiting for
the BTA, thus speeding up the fail-path considerably.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Remove bta_callback from the interrupt handler, and use ISR support
instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Remove bta_completion handling from the interrupt handler, and use ISR
support instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add generic ISR support for DSI interrupts. ISRs can be used instead of
custom hooks in the interrupt handler.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Clean up the IRQ handler a bit by separating collection of IRQ stats and
handling of IRQ errors to separate functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The DSI PLL parameters (regm, regn, regm_dispc, regm_dsi, fint) have different
fields and also different Max values on OMAP3 and OMAP4. Use dss features to
calculate the register fields and min/max values based on current OMAP revision.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Create 2 functions dss_feat_get_param_min() and dss_feat_get_param_max() which
return the minimum and maximum value of a parameter. Introduce a enum in
dss_features called dss_range_param which contains parameters whose ranges we
are interested in.
Replace this with dss_feat_get_max_dss_fck() which is specific to the parameter
DSS_FCK.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The structures dss_reg_field and dss_clk_source_name have enum members which
specify the register field and the clock source respectively. These members are
not used to choose the correct result in the corresponding feature functions.
Remove these members and change the features array declaration to incorporate
these enums.
The structure dss_clk_source_name without the enum member is just a pointer to
an string. Remove the structure and use a character pointer directly.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Something seems to be wrong with OMAP4 & VENC, and register access fails
in omap_venchw_probe().
This patch skips venc driver registration on OMAP4, thus circumventing
the problem for now.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch adds support for the standard push buttons available on
Overo expansion boards.
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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