diff options
Diffstat (limited to 'sys/dev/drm2/i915/dvo_ch7xxx.c')
-rw-r--r-- | sys/dev/drm2/i915/dvo_ch7xxx.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/sys/dev/drm2/i915/dvo_ch7xxx.c b/sys/dev/drm2/i915/dvo_ch7xxx.c deleted file mode 100644 index 8700b477da37a..0000000000000 --- a/sys/dev/drm2/i915/dvo_ch7xxx.c +++ /dev/null @@ -1,347 +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 <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "dvo.h" - -#define CH7xxx_REG_VID 0x4a -#define CH7xxx_REG_DID 0x4b - -#define CH7011_VID 0x83 /* 7010 as well */ -#define CH7009A_VID 0x84 -#define CH7009B_VID 0x85 -#define CH7301_VID 0x95 - -#define CH7xxx_VID 0x84 -#define CH7xxx_DID 0x17 - -#define CH7xxx_NUM_REGS 0x4c - -#define CH7xxx_CM 0x1c -#define CH7xxx_CM_XCM (1<<0) -#define CH7xxx_CM_MCP (1<<2) -#define CH7xxx_INPUT_CLOCK 0x1d -#define CH7xxx_GPIO 0x1e -#define CH7xxx_GPIO_HPIR (1<<3) -#define CH7xxx_IDF 0x1f - -#define CH7xxx_IDF_HSP (1<<3) -#define CH7xxx_IDF_VSP (1<<4) - -#define CH7xxx_CONNECTION_DETECT 0x20 -#define CH7xxx_CDET_DVI (1<<5) - -#define CH7301_DAC_CNTL 0x21 -#define CH7301_HOTPLUG 0x23 -#define CH7xxx_TCTL 0x31 -#define CH7xxx_TVCO 0x32 -#define CH7xxx_TPCP 0x33 -#define CH7xxx_TPD 0x34 -#define CH7xxx_TPVT 0x35 -#define CH7xxx_TLPF 0x36 -#define CH7xxx_TCT 0x37 -#define CH7301_TEST_PATTERN 0x48 - -#define CH7xxx_PM 0x49 -#define CH7xxx_PM_FPD (1<<0) -#define CH7301_PM_DACPD0 (1<<1) -#define CH7301_PM_DACPD1 (1<<2) -#define CH7301_PM_DACPD2 (1<<3) -#define CH7xxx_PM_DVIL (1<<6) -#define CH7xxx_PM_DVIP (1<<7) - -#define CH7301_SYNC_POLARITY 0x56 -#define CH7301_SYNC_RGB_YUV (1<<0) -#define CH7301_SYNC_POL_DVI (1<<5) - -/** @file - * driver for the Chrontel 7xxx DVI chip over DVO. - */ - -static struct ch7xxx_id_struct { - uint8_t vid; - char *name; -} ch7xxx_ids[] = { - { CH7011_VID, "CH7011" }, - { CH7009A_VID, "CH7009A" }, - { CH7009B_VID, "CH7009B" }, - { CH7301_VID, "CH7301" }, -}; - -struct ch7xxx_priv { - bool quiet; -}; - -static char *ch7xxx_get_id(uint8_t vid) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(ch7xxx_ids); i++) { - if (ch7xxx_ids[i].vid == vid) - return ch7xxx_ids[i].name; - } - - return NULL; -} - -/** Reads an 8 bit register */ -static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch) -{ - struct ch7xxx_priv *ch7xxx = dvo->dev_priv; - device_t adapter = dvo->i2c_bus; - u8 out_buf[2]; - u8 in_buf[2]; - - struct iic_msg msgs[] = { - { - .slave = dvo->slave_addr << 1, - .flags = 0, - .len = 1, - .buf = out_buf, - }, - { - .slave = dvo->slave_addr << 1, - .flags = I2C_M_RD, - .len = 1, - .buf = in_buf, - } - }; - - out_buf[0] = addr; - out_buf[1] = 0; - - if (-iicbus_transfer(adapter, msgs, 2) == 0) { - *ch = in_buf[0]; - return true; - } - - if (!ch7xxx->quiet) { - DRM_DEBUG_KMS("Unable to read register 0x%02x from %s:%02x.\n", - addr, device_get_nameunit(adapter), dvo->slave_addr); - } - return false; -} - -/** Writes an 8 bit register */ -static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch) -{ - struct ch7xxx_priv *ch7xxx = dvo->dev_priv; - device_t adapter = dvo->i2c_bus; - uint8_t out_buf[2]; - struct iic_msg msg = { - .slave = dvo->slave_addr << 1, - .flags = 0, - .len = 2, - .buf = out_buf, - }; - - out_buf[0] = addr; - out_buf[1] = ch; - - if (-iicbus_transfer(adapter, &msg, 1) == 0) - return true; - - if (!ch7xxx->quiet) { - DRM_DEBUG_KMS("Unable to write register 0x%02x to %s:%d.\n", - addr, device_get_nameunit(adapter), dvo->slave_addr); - } - - return false; -} - -static bool ch7xxx_init(struct intel_dvo_device *dvo, - device_t adapter) -{ - /* this will detect the CH7xxx chip on the specified i2c bus */ - struct ch7xxx_priv *ch7xxx; - uint8_t vendor, device; - char *name; - - ch7xxx = malloc(sizeof(struct ch7xxx_priv), DRM_MEM_KMS, M_NOWAIT | M_ZERO); - if (ch7xxx == NULL) - return false; - - dvo->i2c_bus = adapter; - dvo->dev_priv = ch7xxx; - ch7xxx->quiet = true; - - if (!ch7xxx_readb(dvo, CH7xxx_REG_VID, &vendor)) - goto out; - - name = ch7xxx_get_id(vendor); - if (!name) { - DRM_DEBUG_KMS("ch7xxx not detected; got 0x%02x from %s " - "slave %d.\n", - vendor, device_get_nameunit(adapter), dvo->slave_addr); - goto out; - } - - - if (!ch7xxx_readb(dvo, CH7xxx_REG_DID, &device)) - goto out; - - if (device != CH7xxx_DID) { - DRM_DEBUG_KMS("ch7xxx not detected; got 0x%02x from %s " - "slave %d.\n", - vendor, device_get_nameunit(adapter), dvo->slave_addr); - goto out; - } - - ch7xxx->quiet = false; - DRM_DEBUG_KMS("Detected %s chipset, vendor/device ID 0x%02x/0x%02x\n", - name, vendor, device); - return true; -out: - free(ch7xxx, DRM_MEM_KMS); - return false; -} - -static enum drm_connector_status ch7xxx_detect(struct intel_dvo_device *dvo) -{ - uint8_t cdet, orig_pm, pm; - - ch7xxx_readb(dvo, CH7xxx_PM, &orig_pm); - - pm = orig_pm; - pm &= ~CH7xxx_PM_FPD; - pm |= CH7xxx_PM_DVIL | CH7xxx_PM_DVIP; - - ch7xxx_writeb(dvo, CH7xxx_PM, pm); - - ch7xxx_readb(dvo, CH7xxx_CONNECTION_DETECT, &cdet); - - ch7xxx_writeb(dvo, CH7xxx_PM, orig_pm); - - if (cdet & CH7xxx_CDET_DVI) - return connector_status_connected; - return connector_status_disconnected; -} - -static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo, - struct drm_display_mode *mode) -{ - if (mode->clock > 165000) - return MODE_CLOCK_HIGH; - - return MODE_OK; -} - -static void ch7xxx_mode_set(struct intel_dvo_device *dvo, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - uint8_t tvco, tpcp, tpd, tlpf, idf; - - if (mode->clock <= 65000) { - tvco = 0x23; - tpcp = 0x08; - tpd = 0x16; - tlpf = 0x60; - } else { - tvco = 0x2d; - tpcp = 0x06; - tpd = 0x26; - tlpf = 0xa0; - } - - ch7xxx_writeb(dvo, CH7xxx_TCTL, 0x00); - ch7xxx_writeb(dvo, CH7xxx_TVCO, tvco); - ch7xxx_writeb(dvo, CH7xxx_TPCP, tpcp); - ch7xxx_writeb(dvo, CH7xxx_TPD, tpd); - ch7xxx_writeb(dvo, CH7xxx_TPVT, 0x30); - ch7xxx_writeb(dvo, CH7xxx_TLPF, tlpf); - ch7xxx_writeb(dvo, CH7xxx_TCT, 0x00); - - ch7xxx_readb(dvo, CH7xxx_IDF, &idf); - - idf &= ~(CH7xxx_IDF_HSP | CH7xxx_IDF_VSP); - if (mode->flags & DRM_MODE_FLAG_PHSYNC) - idf |= CH7xxx_IDF_HSP; - - if (mode->flags & DRM_MODE_FLAG_PVSYNC) - idf |= CH7xxx_IDF_HSP; - - ch7xxx_writeb(dvo, CH7xxx_IDF, idf); -} - -/* set the CH7xxx power state */ -static void ch7xxx_dpms(struct intel_dvo_device *dvo, bool enable) -{ - if (enable) - ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_DVIL | CH7xxx_PM_DVIP); - else - ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD); -} - -static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo) -{ - u8 val; - - ch7xxx_readb(dvo, CH7xxx_PM, &val); - - if (val & (CH7xxx_PM_DVIL | CH7xxx_PM_DVIP)) - return true; - else - return false; -} - -static void ch7xxx_dump_regs(struct intel_dvo_device *dvo) -{ - int i; - - for (i = 0; i < CH7xxx_NUM_REGS; i++) { - uint8_t val; - if ((i % 8) == 0) - DRM_LOG_KMS("\n %02X: ", i); - ch7xxx_readb(dvo, i, &val); - DRM_LOG_KMS("%02X ", val); - } -} - -static void ch7xxx_destroy(struct intel_dvo_device *dvo) -{ - struct ch7xxx_priv *ch7xxx = dvo->dev_priv; - - if (ch7xxx) { - free(ch7xxx, DRM_MEM_KMS); - dvo->dev_priv = NULL; - } -} - -struct intel_dvo_dev_ops ch7xxx_ops = { - .init = ch7xxx_init, - .detect = ch7xxx_detect, - .mode_valid = ch7xxx_mode_valid, - .mode_set = ch7xxx_mode_set, - .dpms = ch7xxx_dpms, - .get_hw_state = ch7xxx_get_hw_state, - .dump_regs = ch7xxx_dump_regs, - .destroy = ch7xxx_destroy, -}; |