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Diffstat (limited to 'linux-core/radeon_i2c.c')
-rw-r--r--linux-core/radeon_i2c.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/linux-core/radeon_i2c.c b/linux-core/radeon_i2c.c
deleted file mode 100644
index 94a485ba..00000000
--- a/linux-core/radeon_i2c.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright 2007-8 Advanced Micro Devices, Inc.
- * Copyright 2008 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Dave Airlie
- * Alex Deucher
- */
-#include "drmP.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-
-/**
- * radeon_ddc_probe
- *
- */
-bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
-{
- u8 out_buf[] = { 0x0, 0x0};
- u8 buf[2];
- int ret;
- struct i2c_msg msgs[] = {
- {
- .addr = 0x50,
- .flags = 0,
- .len = 1,
- .buf = out_buf,
- },
- {
- .addr = 0x50,
- .flags = I2C_M_RD,
- .len = 1,
- .buf = buf,
- }
- };
-
- ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
- if (ret == 2)
- return true;
-
- return false;
-}
-
-
-void radeon_i2c_do_lock(struct radeon_connector *radeon_connector, int lock_state)
-{
- struct drm_radeon_private *dev_priv = radeon_connector->base.dev->dev_private;
- uint32_t temp;
- struct radeon_i2c_bus_rec *rec = &radeon_connector->ddc_bus->rec;
-
- if (lock_state) {
- temp = RADEON_READ(rec->a_clk_reg);
- temp &= ~(rec->a_clk_mask);
- RADEON_WRITE(rec->a_clk_reg, temp);
-
- temp = RADEON_READ(rec->a_data_reg);
- temp &= ~(rec->a_data_mask);
- RADEON_WRITE(rec->a_data_reg, temp);
- }
-
- temp = RADEON_READ(rec->mask_clk_reg);
- if (lock_state)
- temp |= rec->mask_clk_mask;
- else
- temp &= ~rec->mask_clk_mask;
- RADEON_WRITE(rec->mask_clk_reg, temp);
- temp = RADEON_READ(rec->mask_clk_reg);
-
- temp = RADEON_READ(rec->mask_data_reg);
- if (lock_state)
- temp |= rec->mask_data_mask;
- else
- temp &= ~rec->mask_data_mask;
- RADEON_WRITE(rec->mask_data_reg, temp);
- temp = RADEON_READ(rec->mask_data_reg);
-}
-
-static int get_clock(void *i2c_priv)
-{
- struct radeon_i2c_chan *i2c = i2c_priv;
- struct drm_radeon_private *dev_priv = i2c->dev->dev_private;
- struct radeon_i2c_bus_rec *rec = &i2c->rec;
- uint32_t val;
-
- val = RADEON_READ(rec->get_clk_reg);
- val &= rec->get_clk_mask;
-
- return (val != 0);
-}
-
-
-static int get_data(void *i2c_priv)
-{
- struct radeon_i2c_chan *i2c = i2c_priv;
- struct drm_radeon_private *dev_priv = i2c->dev->dev_private;
- struct radeon_i2c_bus_rec *rec = &i2c->rec;
- uint32_t val;
-
- val = RADEON_READ(rec->get_data_reg);
- val &= rec->get_data_mask;
- return (val != 0);
-}
-
-static void set_clock(void *i2c_priv, int clock)
-{
- struct radeon_i2c_chan *i2c = i2c_priv;
- struct drm_radeon_private *dev_priv = i2c->dev->dev_private;
- struct radeon_i2c_bus_rec *rec = &i2c->rec;
- uint32_t val;
-
- val = RADEON_READ(rec->put_clk_reg) & (uint32_t)~(rec->put_clk_mask);
- val |= clock ? 0 : rec->put_clk_mask;
- RADEON_WRITE(rec->put_clk_reg, val);
-}
-
-static void set_data(void *i2c_priv, int data)
-{
- struct radeon_i2c_chan *i2c = i2c_priv;
- struct drm_radeon_private *dev_priv = i2c->dev->dev_private;
- struct radeon_i2c_bus_rec *rec = &i2c->rec;
- uint32_t val;
-
- val = RADEON_READ(rec->put_data_reg) & (uint32_t)~(rec->put_data_mask);
- val |= data ? 0 : rec->put_data_mask;
- RADEON_WRITE(rec->put_data_reg, val);
-}
-
-struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
- struct radeon_i2c_bus_rec *rec,
- const char *name)
-{
- struct radeon_i2c_chan *i2c;
- int ret;
-
- i2c = drm_calloc(1, sizeof(struct radeon_i2c_chan), DRM_MEM_DRIVER);
- if (i2c == NULL)
- return NULL;
-
- i2c->adapter.owner = THIS_MODULE;
- i2c->adapter.id = I2C_HW_B_RADEON;
- i2c->adapter.algo_data = &i2c->algo;
- i2c->dev = dev;
- i2c->algo.setsda = set_data;
- i2c->algo.setscl = set_clock;
- i2c->algo.getsda = get_data;
- i2c->algo.getscl = get_clock;
- i2c->algo.udelay = 20;
- i2c->algo.timeout = usecs_to_jiffies(2200);
- i2c->algo.data = i2c;
- i2c->rec = *rec;
- i2c_set_adapdata(&i2c->adapter, i2c);
-
- ret = i2c_bit_add_bus(&i2c->adapter);
- if (ret) {
- DRM_INFO("Failed to register i2c %s\n", name);
- goto out_free;
- }
-
- return i2c;
-out_free:
- drm_free(i2c, sizeof(struct radeon_i2c_chan), DRM_MEM_DRIVER);
- return NULL;
-
-}
-
-void radeon_i2c_destroy(struct radeon_i2c_chan *i2c)
-{
- if (!i2c)
- return;
-
- i2c_del_adapter(&i2c->adapter);
- drm_free(i2c, sizeof(struct radeon_i2c_chan), DRM_MEM_DRIVER);
-}
-
-struct drm_encoder *radeon_best_encoder(struct drm_connector *connector)
-{
- return NULL;
-}
-
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