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- /*
- * Copyright (C) 2013 Red Hat
- * Author: Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifdef CONFIG_COMMON_CLK
- #include <linux/clk.h>
- #include <linux/clk-provider.h>
- #endif
- #include "hdmi.h"
- struct hdmi_phy_8960 {
- struct hdmi_phy base;
- struct hdmi *hdmi;
- #ifdef CONFIG_COMMON_CLK
- struct clk_hw pll_hw;
- struct clk *pll;
- unsigned long pixclk;
- #endif
- };
- #define to_hdmi_phy_8960(x) container_of(x, struct hdmi_phy_8960, base)
- #ifdef CONFIG_COMMON_CLK
- #define clk_to_phy(x) container_of(x, struct hdmi_phy_8960, pll_hw)
- /*
- * HDMI PLL:
- *
- * To get the parent clock setup properly, we need to plug in hdmi pll
- * configuration into common-clock-framework.
- */
- struct pll_rate {
- unsigned long rate;
- struct {
- uint32_t val;
- uint32_t reg;
- } conf[32];
- };
- /* NOTE: keep sorted highest freq to lowest: */
- static const struct pll_rate freqtbl[] = {
- { 154000000, {
- { 0x08, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x20, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0xf9, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x03, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x0d, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x4d, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x5e, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0x42, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0, 0 } }
- },
- /* 1080p60/1080p50 case */
- { 148500000, {
- { 0x02, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x02, REG_HDMI_8960_PHY_PLL_CHRG_PUMP_CFG },
- { 0x01, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0x33, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x2c, REG_HDMI_8960_PHY_PLL_IDAC_ADJ_CFG },
- { 0x06, REG_HDMI_8960_PHY_PLL_I_VI_KVCO_CFG },
- { 0x0a, REG_HDMI_8960_PHY_PLL_PWRDN_B },
- { 0x76, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x01, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x4c, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0xc0, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0x9a, REG_HDMI_8960_PHY_PLL_SSC_CFG0 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG1 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG3 },
- { 0x10, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG0 },
- { 0x1a, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG1 },
- { 0x0d, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2 },
- { 0xe6, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x33, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG6 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG7 },
- { 0, 0 } }
- },
- { 108000000, {
- { 0x08, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x21, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0xf9, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x1c, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x49, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x49, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0, 0 } }
- },
- /* 720p60/720p50/1080i60/1080i50/1080p24/1080p30/1080p25 */
- { 74250000, {
- { 0x0a, REG_HDMI_8960_PHY_PLL_PWRDN_B },
- { 0x12, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x01, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0x33, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x76, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0xe6, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0, 0 } }
- },
- { 74176000, {
- { 0x18, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x20, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0xf9, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0xe5, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x0c, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x4c, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x7d, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0xbc, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0, 0 } }
- },
- { 65000000, {
- { 0x18, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x20, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0xf9, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x8a, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x0b, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x4b, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x7b, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0x09, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0, 0 } }
- },
- /* 480p60/480i60 */
- { 27030000, {
- { 0x0a, REG_HDMI_8960_PHY_PLL_PWRDN_B },
- { 0x38, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x02, REG_HDMI_8960_PHY_PLL_CHRG_PUMP_CFG },
- { 0x20, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0xff, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x4e, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0xd7, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0x03, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0x2a, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x03, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x33, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG6 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG7 },
- { 0, 0 } }
- },
- /* 576p50/576i50 */
- { 27000000, {
- { 0x32, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x02, REG_HDMI_8960_PHY_PLL_CHRG_PUMP_CFG },
- { 0x01, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0x33, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x2c, REG_HDMI_8960_PHY_PLL_IDAC_ADJ_CFG },
- { 0x06, REG_HDMI_8960_PHY_PLL_I_VI_KVCO_CFG },
- { 0x0a, REG_HDMI_8960_PHY_PLL_PWRDN_B },
- { 0x7b, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x01, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x4c, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0xc0, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0x9a, REG_HDMI_8960_PHY_PLL_SSC_CFG0 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG1 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG3 },
- { 0x10, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG0 },
- { 0x1a, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG1 },
- { 0x0d, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2 },
- { 0x2a, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x03, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x33, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG6 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG7 },
- { 0, 0 } }
- },
- /* 640x480p60 */
- { 25200000, {
- { 0x32, REG_HDMI_8960_PHY_PLL_REFCLK_CFG },
- { 0x02, REG_HDMI_8960_PHY_PLL_CHRG_PUMP_CFG },
- { 0x01, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG0 },
- { 0x33, REG_HDMI_8960_PHY_PLL_LOOP_FLT_CFG1 },
- { 0x2c, REG_HDMI_8960_PHY_PLL_IDAC_ADJ_CFG },
- { 0x06, REG_HDMI_8960_PHY_PLL_I_VI_KVCO_CFG },
- { 0x0a, REG_HDMI_8960_PHY_PLL_PWRDN_B },
- { 0x77, REG_HDMI_8960_PHY_PLL_SDM_CFG0 },
- { 0x4c, REG_HDMI_8960_PHY_PLL_SDM_CFG1 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG2 },
- { 0xc0, REG_HDMI_8960_PHY_PLL_SDM_CFG3 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SDM_CFG4 },
- { 0x9a, REG_HDMI_8960_PHY_PLL_SSC_CFG0 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG1 },
- { 0x00, REG_HDMI_8960_PHY_PLL_SSC_CFG2 },
- { 0x20, REG_HDMI_8960_PHY_PLL_SSC_CFG3 },
- { 0x10, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG0 },
- { 0x1a, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG1 },
- { 0x0d, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2 },
- { 0xf4, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG0 },
- { 0x02, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG1 },
- { 0x3b, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG2 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG3 },
- { 0x86, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG4 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG5 },
- { 0x33, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG6 },
- { 0x00, REG_HDMI_8960_PHY_PLL_VCOCAL_CFG7 },
- { 0, 0 } }
- },
- };
- static int hdmi_pll_enable(struct clk_hw *hw)
- {
- struct hdmi_phy_8960 *phy_8960 = clk_to_phy(hw);
- struct hdmi *hdmi = phy_8960->hdmi;
- int timeout_count, pll_lock_retry = 10;
- unsigned int val;
- DBG("");
- /* Assert PLL S/W reset */
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2, 0x8d);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG0, 0x10);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG1, 0x1a);
- /* Wait for a short time before de-asserting
- * to allow the hardware to complete its job.
- * This much of delay should be fine for hardware
- * to assert and de-assert.
- */
- udelay(10);
- /* De-assert PLL S/W reset */
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2, 0x0d);
- val = hdmi_read(hdmi, REG_HDMI_8960_PHY_REG12);
- val |= HDMI_8960_PHY_REG12_SW_RESET;
- /* Assert PHY S/W reset */
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG12, val);
- val &= ~HDMI_8960_PHY_REG12_SW_RESET;
- /* Wait for a short time before de-asserting
- to allow the hardware to complete its job.
- This much of delay should be fine for hardware
- to assert and de-assert. */
- udelay(10);
- /* De-assert PHY S/W reset */
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG12, val);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG2, 0x3f);
- val = hdmi_read(hdmi, REG_HDMI_8960_PHY_REG12);
- val |= HDMI_8960_PHY_REG12_PWRDN_B;
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG12, val);
- /* Wait 10 us for enabling global power for PHY */
- mb();
- udelay(10);
- val = hdmi_read(hdmi, REG_HDMI_8960_PHY_PLL_PWRDN_B);
- val |= HDMI_8960_PHY_PLL_PWRDN_B_PLL_PWRDN_B;
- val &= ~HDMI_8960_PHY_PLL_PWRDN_B_PD_PLL;
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_PWRDN_B, val);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG2, 0x80);
- timeout_count = 1000;
- while (--pll_lock_retry > 0) {
- /* are we there yet? */
- val = hdmi_read(hdmi, REG_HDMI_8960_PHY_PLL_STATUS0);
- if (val & HDMI_8960_PHY_PLL_STATUS0_PLL_LOCK)
- break;
- udelay(1);
- if (--timeout_count > 0)
- continue;
- /*
- * PLL has still not locked.
- * Do a software reset and try again
- * Assert PLL S/W reset first
- */
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2, 0x8d);
- udelay(10);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_LOCKDET_CFG2, 0x0d);
- /*
- * Wait for a short duration for the PLL calibration
- * before checking if the PLL gets locked
- */
- udelay(350);
- timeout_count = 1000;
- }
- return 0;
- }
- static void hdmi_pll_disable(struct clk_hw *hw)
- {
- struct hdmi_phy_8960 *phy_8960 = clk_to_phy(hw);
- struct hdmi *hdmi = phy_8960->hdmi;
- unsigned int val;
- DBG("");
- val = hdmi_read(hdmi, REG_HDMI_8960_PHY_REG12);
- val &= ~HDMI_8960_PHY_REG12_PWRDN_B;
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG12, val);
- val = hdmi_read(hdmi, REG_HDMI_8960_PHY_PLL_PWRDN_B);
- val |= HDMI_8960_PHY_REG12_SW_RESET;
- val &= ~HDMI_8960_PHY_REG12_PWRDN_B;
- hdmi_write(hdmi, REG_HDMI_8960_PHY_PLL_PWRDN_B, val);
- /* Make sure HDMI PHY/PLL are powered down */
- mb();
- }
- static const struct pll_rate *find_rate(unsigned long rate)
- {
- int i;
- for (i = 1; i < ARRAY_SIZE(freqtbl); i++)
- if (rate > freqtbl[i].rate)
- return &freqtbl[i-1];
- return &freqtbl[i-1];
- }
- static unsigned long hdmi_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
- {
- struct hdmi_phy_8960 *phy_8960 = clk_to_phy(hw);
- return phy_8960->pixclk;
- }
- static long hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
- {
- const struct pll_rate *pll_rate = find_rate(rate);
- return pll_rate->rate;
- }
- static int hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
- {
- struct hdmi_phy_8960 *phy_8960 = clk_to_phy(hw);
- struct hdmi *hdmi = phy_8960->hdmi;
- const struct pll_rate *pll_rate = find_rate(rate);
- int i;
- DBG("rate=%lu", rate);
- for (i = 0; pll_rate->conf[i].reg; i++)
- hdmi_write(hdmi, pll_rate->conf[i].reg, pll_rate->conf[i].val);
- phy_8960->pixclk = rate;
- return 0;
- }
- static const struct clk_ops hdmi_pll_ops = {
- .enable = hdmi_pll_enable,
- .disable = hdmi_pll_disable,
- .recalc_rate = hdmi_pll_recalc_rate,
- .round_rate = hdmi_pll_round_rate,
- .set_rate = hdmi_pll_set_rate,
- };
- static const char *hdmi_pll_parents[] = {
- "pxo",
- };
- static struct clk_init_data pll_init = {
- .name = "hdmi_pll",
- .ops = &hdmi_pll_ops,
- .parent_names = hdmi_pll_parents,
- .num_parents = ARRAY_SIZE(hdmi_pll_parents),
- };
- #endif
- /*
- * HDMI Phy:
- */
- static void hdmi_phy_8960_destroy(struct hdmi_phy *phy)
- {
- struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy);
- kfree(phy_8960);
- }
- static void hdmi_phy_8960_powerup(struct hdmi_phy *phy,
- unsigned long int pixclock)
- {
- struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy);
- struct hdmi *hdmi = phy_8960->hdmi;
- DBG("pixclock: %lu", pixclock);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG2, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG0, 0x1b);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG1, 0xf2);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG4, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG5, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG6, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG7, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG8, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG9, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG10, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG11, 0x00);
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG3, 0x20);
- }
- static void hdmi_phy_8960_powerdown(struct hdmi_phy *phy)
- {
- struct hdmi_phy_8960 *phy_8960 = to_hdmi_phy_8960(phy);
- struct hdmi *hdmi = phy_8960->hdmi;
- DBG("");
- hdmi_write(hdmi, REG_HDMI_8960_PHY_REG2, 0x7f);
- }
- static const struct hdmi_phy_funcs hdmi_phy_8960_funcs = {
- .destroy = hdmi_phy_8960_destroy,
- .powerup = hdmi_phy_8960_powerup,
- .powerdown = hdmi_phy_8960_powerdown,
- };
- struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi)
- {
- struct hdmi_phy_8960 *phy_8960;
- struct hdmi_phy *phy = NULL;
- int ret;
- #ifdef CONFIG_COMMON_CLK
- int i;
- /* sanity check: */
- for (i = 0; i < (ARRAY_SIZE(freqtbl) - 1); i++)
- if (WARN_ON(freqtbl[i].rate < freqtbl[i+1].rate))
- return ERR_PTR(-EINVAL);
- #endif
- phy_8960 = kzalloc(sizeof(*phy_8960), GFP_KERNEL);
- if (!phy_8960) {
- ret = -ENOMEM;
- goto fail;
- }
- phy = &phy_8960->base;
- phy->funcs = &hdmi_phy_8960_funcs;
- phy_8960->hdmi = hdmi;
- #ifdef CONFIG_COMMON_CLK
- phy_8960->pll_hw.init = &pll_init;
- phy_8960->pll = devm_clk_register(&hdmi->pdev->dev, &phy_8960->pll_hw);
- if (IS_ERR(phy_8960->pll)) {
- ret = PTR_ERR(phy_8960->pll);
- phy_8960->pll = NULL;
- goto fail;
- }
- #endif
- return phy;
- fail:
- if (phy)
- hdmi_phy_8960_destroy(phy);
- return ERR_PTR(ret);
- }
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