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Diffstat (limited to 'linux-core/dvo_sil164.c')
-rw-r--r--linux-core/dvo_sil164.c302
1 files changed, 0 insertions, 302 deletions
diff --git a/linux-core/dvo_sil164.c b/linux-core/dvo_sil164.c
deleted file mode 100644
index 033a4bb0..00000000
--- a/linux-core/dvo_sil164.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/**************************************************************************
-
-Copyright © 2006 Dave Airlie
-
-All Rights Reserved.
-
-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, sub license, 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 (including the
-next paragraph) 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 NON-INFRINGEMENT.
-IN NO EVENT SHALL THE AUTHOR 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.
-
-**************************************************************************/
-
-#include "dvo.h"
-
-#define SIL164_VID 0x0001
-#define SIL164_DID 0x0006
-
-#define SIL164_VID_LO 0x00
-#define SIL164_VID_HI 0x01
-#define SIL164_DID_LO 0x02
-#define SIL164_DID_HI 0x03
-#define SIL164_REV 0x04
-#define SIL164_RSVD 0x05
-#define SIL164_FREQ_LO 0x06
-#define SIL164_FREQ_HI 0x07
-
-#define SIL164_REG8 0x08
-#define SIL164_8_VEN (1<<5)
-#define SIL164_8_HEN (1<<4)
-#define SIL164_8_DSEL (1<<3)
-#define SIL164_8_BSEL (1<<2)
-#define SIL164_8_EDGE (1<<1)
-#define SIL164_8_PD (1<<0)
-
-#define SIL164_REG9 0x09
-#define SIL164_9_VLOW (1<<7)
-#define SIL164_9_MSEL_MASK (0x7<<4)
-#define SIL164_9_TSEL (1<<3)
-#define SIL164_9_RSEN (1<<2)
-#define SIL164_9_HTPLG (1<<1)
-#define SIL164_9_MDI (1<<0)
-
-#define SIL164_REGC 0x0c
-
-struct sil164_save_rec {
- uint8_t reg8;
- uint8_t reg9;
- uint8_t regc;
-};
-
-struct sil164_priv {
- //I2CDevRec d;
- bool quiet;
- struct sil164_save_rec save_regs;
- struct sil164_save_rec mode_regs;
-};
-
-#define SILPTR(d) ((SIL164Ptr)(d->DriverPrivate.ptr))
-
-static bool sil164_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
-{
- struct sil164_priv *sil = dvo->dev_priv;
- struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
- u8 out_buf[2];
- u8 in_buf[2];
-
- struct i2c_msg msgs[] = {
- {
- .addr = i2cbus->slave_addr,
- .flags = 0,
- .len = 1,
- .buf = out_buf,
- },
- {
- .addr = i2cbus->slave_addr,
- .flags = I2C_M_RD,
- .len = 1,
- .buf = in_buf,
- }
- };
-
- out_buf[0] = addr;
- out_buf[1] = 0;
-
- if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
- *ch = in_buf[0];
- return true;
- };
-
- if (!sil->quiet) {
- DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
- addr, i2cbus->adapter.name, i2cbus->slave_addr);
- }
- return false;
-}
-
-static bool sil164_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
-{
- struct sil164_priv *sil= dvo->dev_priv;
- struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
- uint8_t out_buf[2];
- struct i2c_msg msg = {
- .addr = i2cbus->slave_addr,
- .flags = 0,
- .len = 2,
- .buf = out_buf,
- };
-
- out_buf[0] = addr;
- out_buf[1] = ch;
-
- if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
- return true;
-
- if (!sil->quiet) {
- DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
- addr, i2cbus->adapter.name, i2cbus->slave_addr);
- }
-
- return false;
-}
-
-/* Silicon Image 164 driver for chip on i2c bus */
-static bool sil164_init(struct intel_dvo_device *dvo,
- struct intel_i2c_chan *i2cbus)
-{
- /* this will detect the SIL164 chip on the specified i2c bus */
- struct sil164_priv *sil;
- unsigned char ch;
-
- sil = kzalloc(sizeof(struct sil164_priv), GFP_KERNEL);
- if (sil == NULL)
- return false;
-
- dvo->i2c_bus = i2cbus;
- dvo->i2c_bus->slave_addr = dvo->slave_addr;
- dvo->dev_priv = sil;
- sil->quiet = true;
-
- if (!sil164_readb(dvo, SIL164_VID_LO, &ch))
- goto out;
-
- if (ch != (SIL164_VID & 0xff)) {
- DRM_DEBUG("sil164 not detected got %d: from %s Slave %d.\n",
- ch, i2cbus->adapter.name, i2cbus->slave_addr);
- goto out;
- }
-
- if (!sil164_readb(dvo, SIL164_DID_LO, &ch))
- goto out;
-
- if (ch != (SIL164_DID & 0xff)) {
- DRM_DEBUG("sil164 not detected got %d: from %s Slave %d.\n",
- ch, i2cbus->adapter.name, i2cbus->slave_addr);
- goto out;
- }
- sil->quiet = false;
-
- DRM_DEBUG("init sil164 dvo controller successfully!\n");
- return true;
-
-out:
- kfree(sil);
- return false;
-}
-
-static enum drm_connector_status sil164_detect(struct intel_dvo_device *dvo)
-{
- uint8_t reg9;
-
- sil164_readb(dvo, SIL164_REG9, &reg9);
-
- if (reg9 & SIL164_9_HTPLG)
- return connector_status_connected;
- else
- return connector_status_disconnected;
-}
-
-static enum drm_mode_status sil164_mode_valid(struct intel_dvo_device *dvo,
- struct drm_display_mode *mode)
-{
- return MODE_OK;
-}
-
-static void sil164_mode_set(struct intel_dvo_device *dvo,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- /* As long as the basics are set up, since we don't have clock
- * dependencies in the mode setup, we can just leave the
- * registers alone and everything will work fine.
- */
- /* recommended programming sequence from doc */
- /*sil164_writeb(sil, 0x08, 0x30);
- sil164_writeb(sil, 0x09, 0x00);
- sil164_writeb(sil, 0x0a, 0x90);
- sil164_writeb(sil, 0x0c, 0x89);
- sil164_writeb(sil, 0x08, 0x31);*/
- /* don't do much */
- return;
-}
-
-/* set the SIL164 power state */
-static void sil164_dpms(struct intel_dvo_device *dvo, int mode)
-{
- int ret;
- unsigned char ch;
-
- ret = sil164_readb(dvo, SIL164_REG8, &ch);
- if (ret == false)
- return;
-
- if (mode == DRM_MODE_DPMS_ON)
- ch |= SIL164_8_PD;
- else
- ch &= ~SIL164_8_PD;
-
- sil164_writeb(dvo, SIL164_REG8, ch);
- return;
-}
-
-static void sil164_dump_regs(struct intel_dvo_device *dvo)
-{
- uint8_t val;
-
- sil164_readb(dvo, SIL164_FREQ_LO, &val);
- DRM_DEBUG("SIL164_FREQ_LO: 0x%02x\n", val);
- sil164_readb(dvo, SIL164_FREQ_HI, &val);
- DRM_DEBUG("SIL164_FREQ_HI: 0x%02x\n", val);
- sil164_readb(dvo, SIL164_REG8, &val);
- DRM_DEBUG("SIL164_REG8: 0x%02x\n", val);
- sil164_readb(dvo, SIL164_REG9, &val);
- DRM_DEBUG("SIL164_REG9: 0x%02x\n", val);
- sil164_readb(dvo, SIL164_REGC, &val);
- DRM_DEBUG("SIL164_REGC: 0x%02x\n", val);
-}
-
-static void sil164_save(struct intel_dvo_device *dvo)
-{
- struct sil164_priv *sil= dvo->dev_priv;
-
- if (!sil164_readb(dvo, SIL164_REG8, &sil->save_regs.reg8))
- return;
-
- if (!sil164_readb(dvo, SIL164_REG9, &sil->save_regs.reg9))
- return;
-
- if (!sil164_readb(dvo, SIL164_REGC, &sil->save_regs.regc))
- return;
-
- return;
-}
-
-static void sil164_restore(struct intel_dvo_device *dvo)
-{
- struct sil164_priv *sil = dvo->dev_priv;
-
- /* Restore it powered down initially */
- sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8 & ~0x1);
-
- sil164_writeb(dvo, SIL164_REG9, sil->save_regs.reg9);
- sil164_writeb(dvo, SIL164_REGC, sil->save_regs.regc);
- sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8);
-}
-
-static void sil164_destroy(struct intel_dvo_device *dvo)
-{
- struct sil164_priv *sil = dvo->dev_priv;
-
- if (sil) {
- kfree(sil);
- dvo->dev_priv = NULL;
- }
-}
-
-struct intel_dvo_dev_ops sil164_ops = {
- .init = sil164_init,
- .detect = sil164_detect,
- .mode_valid = sil164_mode_valid,
- .mode_set = sil164_mode_set,
- .dpms = sil164_dpms,
- .dump_regs = sil164_dump_regs,
- .save = sil164_save,
- .restore = sil164_restore,
- .destroy = sil164_destroy,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 18:58:23 +0000