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-rw-r--r--linux-core/Makefile.kernel2
-rw-r--r--linux-core/radeon_i2c.c155
-rw-r--r--linux-core/radeon_i2c.h27
3 files changed, 1 insertions, 183 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 40a5f5a0..bced069b 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -18,7 +18,7 @@ mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
i810-objs := i810_drv.o i810_dma.o
i830-objs := i830_drv.o i830_dma.o i830_irq.o
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_pm.o
-radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o radeon_i2c.o
+radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
sis-objs := sis_drv.o sis_ds.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
savage-objs := savage_drv.o savage_bci.o savage_state.o
diff --git a/linux-core/radeon_i2c.c b/linux-core/radeon_i2c.c
deleted file mode 100644
index e19ea186..00000000
--- a/linux-core/radeon_i2c.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * linux/radeon_i2c.c
- *
- * Original author probably Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * or Kronos <kronos@kronoz.cjb.net>
- * Based on Xfree sources
- * (C) Copyright 2004 Jon Smirl <jonsmirl@gmail.com>
- *
- * This is a GPL licensed file from the Linux kernel, don't add it to the BSD build
- *
- * Radeon I2C support routines
- *
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/fb.h>
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-
-#include <asm/io.h>
-#include <video/radeon.h>
-
-#include "drmP.h"
-#include "drm.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-
-static void gpio_setscl(void *data, int state)
-{
- struct radeon_i2c_chan *chan = data;
- drm_radeon_private_t *dev_priv = chan->dev->dev_private;
- u32 val;
-
- val = RADEON_READ(chan->ddc_reg) & ~(VGA_DDC_CLK_OUT_EN);
- if (!state)
- val |= VGA_DDC_CLK_OUT_EN;
-
- RADEON_WRITE(chan->ddc_reg, val);
- (void)RADEON_READ(chan->ddc_reg);
-}
-
-static void gpio_setsda(void *data, int state)
-{
- struct radeon_i2c_chan *chan = data;
- drm_radeon_private_t *dev_priv = chan->dev->dev_private;
- u32 val;
-
- val = RADEON_READ(chan->ddc_reg) & ~(VGA_DDC_DATA_OUT_EN);
- if (!state)
- val |= VGA_DDC_DATA_OUT_EN;
-
- RADEON_WRITE(chan->ddc_reg, val);
- (void)RADEON_READ(chan->ddc_reg);
-}
-
-static int gpio_getscl(void *data)
-{
- struct radeon_i2c_chan *chan = data;
- drm_radeon_private_t *dev_priv = chan->dev->dev_private;
- u32 val;
-
- val = RADEON_READ(chan->ddc_reg);
-
- return (val & VGA_DDC_CLK_INPUT) ? 1 : 0;
-}
-
-static int gpio_getsda(void *data)
-{
- struct radeon_i2c_chan *chan = data;
- drm_radeon_private_t *dev_priv = chan->dev->dev_private;
- u32 val;
-
- val = RADEON_READ(chan->ddc_reg);
-
- return (val & VGA_DDC_DATA_INPUT) ? 1 : 0;
-}
-
-static int setup_i2c_bus(drm_device_t * dev, struct radeon_i2c_chan *chan, const char *name)
-{
- int rc;
-
- chan->dev = dev;
- strcpy(chan->adapter.name, name);
- chan->adapter.owner = THIS_MODULE;
- chan->adapter.id = I2C_ALGO_ATI;
- chan->adapter.algo_data = &chan->algo;
- chan->adapter.dev.parent = &chan->dev->pdev->dev;
- chan->algo.setsda = gpio_setsda;
- chan->algo.setscl = gpio_setscl;
- chan->algo.getsda = gpio_getsda;
- chan->algo.getscl = gpio_getscl;
- chan->algo.udelay = 40;
- chan->algo.timeout = 20;
- chan->algo.data = chan;
-
- i2c_set_adapdata(&chan->adapter, chan);
-
- /* Raise SCL and SDA */
- gpio_setsda(chan, 1);
- gpio_setscl(chan, 1);
- udelay(20);
-
- if ((rc = i2c_bit_add_bus(&chan->adapter))) {
- i2c_set_adapdata(&chan->adapter, NULL);
- chan->dev = NULL;
- DRM_ERROR("Failed to register I2C bus %s.\n", name);
- return rc;
- }
- DRM_DEBUG("I2C bus %s registered.\n", name);
- return 0;
-}
-
-int radeon_create_i2c_busses(drm_device_t * dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
-
- dev_priv->i2c[0].ddc_reg = GPIO_MONID;
- /* Don't return the error from setup. It is not fatal */
- /* if the bus can not be initialized */
- setup_i2c_bus(dev, &dev_priv->i2c[0], "monid");
-
- dev_priv->i2c[1].ddc_reg = GPIO_DVI_DDC;
- setup_i2c_bus(dev, &dev_priv->i2c[1], "dvi");
-
- dev_priv->i2c[2].ddc_reg = GPIO_VGA_DDC;
- setup_i2c_bus(dev, &dev_priv->i2c[2], "vga");
-
- dev_priv->i2c[3].ddc_reg = GPIO_CRT2_DDC;
- setup_i2c_bus(dev, &dev_priv->i2c[3], "crt2");
-
- request_module("eeprom");
-
- return 0;
-}
-
-void radeon_delete_i2c_busses(drm_device_t * dev)
-{
- drm_radeon_private_t *dev_priv = dev->dev_private;
- int i, ret;
-
- for (i = 0; i < 4; i++) {
- if (dev_priv->i2c[i].dev) {
- ret = i2c_bit_del_bus(&dev_priv->i2c[i].adapter);
- dev_priv->i2c[i].dev = NULL;
- }
- }
-}
-
-#endif
diff --git a/linux-core/radeon_i2c.h b/linux-core/radeon_i2c.h
deleted file mode 100644
index 6fc1519d..00000000
--- a/linux-core/radeon_i2c.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * linux/radeon_i2c.h
- *
- * Original author probably Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * or Kronos <kronos@kronoz.cjb.net>
- * Based on Xfree sources
- * (C) Copyright 2004 Jon Smirl <jonsmirl@gmail.com>
- *
- * This is a GPL licensed file from the Linux kernel, don't add it to the BSD build
- *
- * Radeon I2C support routines
- *
- */
-
-#include <linux/i2c.h>
-#include <linux/i2c-id.h>
-#include <linux/i2c-algo-bit.h>
-
-struct radeon_i2c_chan {
- drm_device_t *dev;
- u32 ddc_reg;
- struct i2c_adapter adapter;
- struct i2c_algo_bit_data algo;
-};
-
-extern int radeon_create_i2c_busses(drm_device_t * dev);
-extern void radeon_delete_i2c_busses(drm_device_t * dev);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 09:12:21 +0000