[PATCH 28/49] gma500: move configuration bits into the psb_opsstructure

From: Alan Cox
Date: Tue Jul 05 2011 - 10:50:09 EST


From: Alan Cox <alan@xxxxxxxxxxxxxxx>

We can stuff things like the number of pipes and the SGX offset away in
here as well and clean up more conditional code.

Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
---

drivers/staging/gma500/mdfld_device.c | 6 +++
drivers/staging/gma500/mrst_bios.c | 14 ++++++-
drivers/staging/gma500/mrst_bios.h | 5 +--
drivers/staging/gma500/mrst_device.c | 5 +++
drivers/staging/gma500/psb_device.c | 54 ++++++++++++++++++++++++++-
drivers/staging/gma500/psb_drv.c | 65 +++------------------------------
drivers/staging/gma500/psb_drv.h | 5 +++
7 files changed, 86 insertions(+), 68 deletions(-)

diff --git a/drivers/staging/gma500/mdfld_device.c b/drivers/staging/gma500/mdfld_device.c
index e66d04a..daa9487 100644
--- a/drivers/staging/gma500/mdfld_device.c
+++ b/drivers/staging/gma500/mdfld_device.c
@@ -26,6 +26,7 @@
#include "psb_drv.h"
#include "mdfld_output.h"
#include "mdfld_dsi_output.h"
+#include "mrst_bios.h"

/*
* Provide the Medfield specific backlight management
@@ -689,6 +690,11 @@ static int mdfld_power_up(struct drm_device *dev)
const struct psb_ops mdfld_chip_ops = {
.name = "Medfield",
.accel_2d = 0,
+ .pipes = 3,
+ .sgx_offset = MRST_SGX_OFFSET,
+
+ .chip_setup = mid_chip_setup,
+
.crtc_helper = &mdfld_helper_funcs,
.crtc_funcs = &mdfld_intel_crtc_funcs,

diff --git a/drivers/staging/gma500/mrst_bios.c b/drivers/staging/gma500/mrst_bios.c
index c3707f4..cf015df 100644
--- a/drivers/staging/gma500/mrst_bios.c
+++ b/drivers/staging/gma500/mrst_bios.c
@@ -35,7 +35,7 @@ module_param_named(panel_id, panel_id, int, 0600);
MODULE_PARM_DESC(panel_id, "Panel Identifier");


-void mrst_get_fuse_settings(struct drm_device *dev)
+static void mid_get_fuse_settings(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
@@ -102,7 +102,7 @@ void mrst_get_fuse_settings(struct drm_device *dev)
/*
* Get the revison ID, B0:D2:F0;0x08
*/
-void mid_get_pci_revID(struct drm_psb_private *dev_priv)
+static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
{
uint32_t platform_rev_id = 0;
struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
@@ -114,7 +114,7 @@ void mid_get_pci_revID(struct drm_psb_private *dev_priv)
dev_priv->platform_rev_id);
}

-void mrst_get_vbt_data(struct drm_psb_private *dev_priv)
+static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
struct mrst_vbt *vbt = &dev_priv->vbt_data;
@@ -261,3 +261,11 @@ void mrst_get_vbt_data(struct drm_psb_private *dev_priv)
}
}

+int mid_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ mid_get_fuse_settings(dev);
+ mid_get_vbt_data(dev_priv);
+ mid_get_pci_revID(dev_priv);
+ return 0;
+}
\ No newline at end of file
diff --git a/drivers/staging/gma500/mrst_bios.h b/drivers/staging/gma500/mrst_bios.h
index a257306..00e7d56 100644
--- a/drivers/staging/gma500/mrst_bios.h
+++ b/drivers/staging/gma500/mrst_bios.h
@@ -17,6 +17,5 @@
*
**************************************************************************/

-extern void mrst_get_fuse_settings(struct drm_device *dev);
-extern void mid_get_pci_revID(struct drm_psb_private *dev_priv);
-extern void mrst_get_vbt_data(struct drm_psb_private *dev_priv);
+extern int mid_chip_setup(struct drm_device *dev);
+
diff --git a/drivers/staging/gma500/mrst_device.c b/drivers/staging/gma500/mrst_device.c
index 79cd784..d71e8d3 100644
--- a/drivers/staging/gma500/mrst_device.c
+++ b/drivers/staging/gma500/mrst_device.c
@@ -25,6 +25,7 @@
#include "psb_reg.h"
#include "psb_intel_reg.h"
#include <asm/intel_scu_ipc.h>
+#include "mrst_bios.h"

/* IPC message and command defines used to enable/disable mipi panel voltages */
#define IPC_MSG_PANEL_ON_OFF 0xE9
@@ -354,6 +355,10 @@ static int mrst_power_up(struct drm_device *dev)
const struct psb_ops mrst_chip_ops = {
.name = "Moorestown",
.accel_2d = 1,
+ .pipes = 1,
+ .sgx_offset = MRST_SGX_OFFSET,
+
+ .chip_setup = mid_chip_setup,
.crtc_helper = &mrst_helper_funcs,
.crtc_funcs = &psb_intel_crtc_funcs,

diff --git a/drivers/staging/gma500/psb_device.c b/drivers/staging/gma500/psb_device.c
index 0402171..1be6434 100644
--- a/drivers/staging/gma500/psb_device.c
+++ b/drivers/staging/gma500/psb_device.c
@@ -271,19 +271,69 @@ static int psb_restore_display_registers(struct drm_device *dev)
return 0;
}

-int psb_power_down(struct drm_device *dev)
+static int psb_power_down(struct drm_device *dev)
{
return 0;
}

-int psb_power_up(struct drm_device *dev)
+static int psb_power_up(struct drm_device *dev)
{
return 0;
}

+static void psb_get_core_freq(struct drm_device *dev)
+{
+ uint32_t clock;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
+ /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/
+
+ pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
+ pci_read_config_dword(pci_root, 0xD4, &clock);
+ pci_dev_put(pci_root);
+
+ switch (clock & 0x07) {
+ case 0:
+ dev_priv->core_freq = 100;
+ break;
+ case 1:
+ dev_priv->core_freq = 133;
+ break;
+ case 2:
+ dev_priv->core_freq = 150;
+ break;
+ case 3:
+ dev_priv->core_freq = 178;
+ break;
+ case 4:
+ dev_priv->core_freq = 200;
+ break;
+ case 5:
+ case 6:
+ case 7:
+ dev_priv->core_freq = 266;
+ default:
+ dev_priv->core_freq = 0;
+ }
+}
+
+static int psb_chip_setup(struct drm_device *dev)
+{
+ psb_get_core_freq(dev);
+ psb_intel_opregion_init(dev);
+ psb_intel_init_bios(dev);
+ return 0;
+}
+
const struct psb_ops psb_chip_ops = {
.name = "Poulsbo",
.accel_2d = 1,
+ .pipes = 2,
+ .sgx_offset = PSB_SGX_OFFSET,
+ .chip_setup = psb_chip_setup,
+
.crtc_helper = &psb_intel_helper_funcs,
.crtc_funcs = &psb_intel_crtc_funcs,

diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
index dfb3f3a..b95d0a6 100644
--- a/drivers/staging/gma500/psb_drv.c
+++ b/drivers/staging/gma500/psb_drv.c
@@ -158,44 +158,6 @@ static void psb_do_takedown(struct drm_device *dev)
/* FIXME: do we need to clean up the gtt here ? */
}

-static void psb_get_core_freq(struct drm_device *dev)
-{
- uint32_t clock;
- struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
- /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/
-
- pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
- pci_read_config_dword(pci_root, 0xD4, &clock);
- pci_dev_put(pci_root);
-
- switch (clock & 0x07) {
- case 0:
- dev_priv->core_freq = 100;
- break;
- case 1:
- dev_priv->core_freq = 133;
- break;
- case 2:
- dev_priv->core_freq = 150;
- break;
- case 3:
- dev_priv->core_freq = 178;
- break;
- case 4:
- dev_priv->core_freq = 200;
- break;
- case 5:
- case 6:
- case 7:
- dev_priv->core_freq = 266;
- default:
- dev_priv->core_freq = 0;
- }
-}
-
static int psb_do_init(struct drm_device *dev)
{
struct drm_psb_private *dev_priv =
@@ -336,13 +298,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
dev_priv->dev = dev;
dev->dev_private = (void *) dev_priv;

- if (IS_MRST(dev))
- dev_priv->num_pipe = 1;
- else if (IS_MFLD(dev))
- dev_priv->num_pipe = 3;
- else
- dev_priv->num_pipe = 2;
-
+ dev_priv->num_pipe = dev_priv->ops->pipes;

resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);

@@ -351,25 +307,14 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
if (!dev_priv->vdc_reg)
goto out_err;

- if (IS_MRST(dev) || IS_MFLD(dev))
- dev_priv->sgx_reg = ioremap(resource_start + MRST_SGX_OFFSET,
+ dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
PSB_SGX_SIZE);
- else
- dev_priv->sgx_reg = ioremap(resource_start + PSB_SGX_OFFSET,
- PSB_SGX_SIZE);
-
if (!dev_priv->sgx_reg)
goto out_err;

- if (IS_MRST(dev) || IS_MFLD(dev)) {
- mrst_get_fuse_settings(dev);
- mrst_get_vbt_data(dev_priv);
- mid_get_pci_revID(dev_priv);
- } else {
- psb_get_core_freq(dev);
- psb_intel_opregion_init(dev);
- psb_intel_init_bios(dev);
- }
+ ret = dev_priv->ops->chip_setup(dev);
+ if (ret)
+ goto out_err;

/* Init OSPM support */
gma_power_init(dev);
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
index 4bc5e8d..7e6f178 100644
--- a/drivers/staging/gma500/psb_drv.h
+++ b/drivers/staging/gma500/psb_drv.h
@@ -619,11 +619,16 @@ struct drm_psb_private {
struct psb_ops {
const char *name;
unsigned int accel_2d:1;
+ int pipes; /* Number of output pipes */
+ int sgx_offset; /* Base offset of SGX device */

/* Sub functions */
struct drm_crtc_helper_funcs const *crtc_helper;
struct drm_crtc_funcs const *crtc_funcs;

+ /* Setup hooks */
+ int (*chip_setup)(struct drm_device *dev);
+
/* Display management hooks */
int (*output_init)(struct drm_device *dev);
/* Power management hooks */

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/