diff options
author | Jon Smirl <jonsmirl@yahoo.com> | 2005-06-19 04:15:58 +0000 |
---|---|---|
committer | Jon Smirl <jonsmirl@yahoo.com> | 2005-06-19 04:15:58 +0000 |
commit | ae2264d3c9a4938b1202c4301587c7214c2c4293 (patch) | |
tree | d5c71115bd800fcf6985924546979a86a924b432 /linux-core | |
parent | 71df0eed3476d4430a59ce21ca641ac8eecf54e2 (diff) |
Remove I2C support from radeon driver. Same support is available from
radeonfb.
Diffstat (limited to 'linux-core')
-rw-r--r-- | linux-core/Makefile.kernel | 2 | ||||
-rw-r--r-- | linux-core/radeon_i2c.c | 155 | ||||
-rw-r--r-- | linux-core/radeon_i2c.h | 27 |
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); |