diff options
Diffstat (limited to 'drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c')
| -rw-r--r-- | drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c index 8cfb54b39688..c705aa113aac 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -37,9 +37,6 @@ #include "dss.h" #include "dss_features.h" -#define HDMI_IRQ_LINK_CONNECT (1 << 25) -#define HDMI_IRQ_LINK_DISCONNECT (1 << 26) - static inline void hdmi_write_reg(void __iomem *base_addr, const u16 idx, u32 val) { @@ -70,11 +67,6 @@ static inline int hdmi_wait_for_bit_change(void __iomem *base_addr, return val; } -static inline void __iomem *hdmi_phy_base(struct hdmi_ip_data *ip_data) -{ - return ip_data->wp.base + ip_data->phy_offset; -} - static inline void __iomem *hdmi_av_base(struct hdmi_ip_data *ip_data) { return ip_data->wp.base + ip_data->core_av_offset; @@ -85,94 +77,6 @@ static inline void __iomem *hdmi_core_sys_base(struct hdmi_ip_data *ip_data) return ip_data->wp.base + ip_data->core_sys_offset; } -static irqreturn_t hdmi_irq_handler(int irq, void *data) -{ - struct hdmi_ip_data *ip_data = data; - u32 irqstatus; - - irqstatus = hdmi_wp_get_irqstatus(&ip_data->wp); - hdmi_wp_set_irqstatus(&ip_data->wp, irqstatus); - - if ((irqstatus & HDMI_IRQ_LINK_CONNECT) && - irqstatus & HDMI_IRQ_LINK_DISCONNECT) { - /* - * If we get both connect and disconnect interrupts at the same - * time, turn off the PHY, clear interrupts, and restart, which - * raises connect interrupt if a cable is connected, or nothing - * if cable is not connected. - */ - hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_OFF); - - hdmi_wp_set_irqstatus(&ip_data->wp, HDMI_IRQ_LINK_CONNECT | - HDMI_IRQ_LINK_DISCONNECT); - - hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_LDOON); - } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) { - hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_TXON); - } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) { - hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_LDOON); - } - - return IRQ_HANDLED; -} - -int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data) -{ - u16 r = 0; - u32 irqstatus; - void __iomem *phy_base = hdmi_phy_base(ip_data); - - hdmi_wp_clear_irqenable(&ip_data->wp, 0xffffffff); - - irqstatus = hdmi_wp_get_irqstatus(&ip_data->wp); - hdmi_wp_set_irqstatus(&ip_data->wp, irqstatus); - - r = hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_LDOON); - if (r) - return r; - - /* - * Read address 0 in order to get the SCP reset done completed - * Dummy access performed to make sure reset is done - */ - hdmi_read_reg(phy_base, HDMI_TXPHY_TX_CTRL); - - /* - * Write to phy address 0 to configure the clock - * use HFBITCLK write HDMI_TXPHY_TX_CONTROL_FREQOUT field - */ - REG_FLD_MOD(phy_base, HDMI_TXPHY_TX_CTRL, 0x1, 31, 30); - - /* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */ - hdmi_write_reg(phy_base, HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000); - - /* Setup max LDO voltage */ - REG_FLD_MOD(phy_base, HDMI_TXPHY_POWER_CTRL, 0xB, 3, 0); - - /* Write to phy address 3 to change the polarity control */ - REG_FLD_MOD(phy_base, HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27); - - r = request_threaded_irq(ip_data->irq, NULL, hdmi_irq_handler, - IRQF_ONESHOT, "OMAP HDMI", ip_data); - if (r) { - DSSERR("HDMI IRQ request failed\n"); - hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_OFF); - return r; - } - - hdmi_wp_set_irqenable(&ip_data->wp, - HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT); - - return 0; -} - -void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data) -{ - free_irq(ip_data->irq, ip_data); - - hdmi_wp_set_phy_pwr(&ip_data->wp, HDMI_PHYPWRCMD_OFF); -} - static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data) { void __iomem *base = hdmi_core_sys_base(ip_data); @@ -524,8 +428,6 @@ static void hdmi_core_av_packet_config(struct hdmi_ip_data *ip_data, (repeat_cfg.generic_pkt_repeat)); } - - void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data) { /* HDMI */ @@ -769,17 +671,6 @@ void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s) DUMPCOREAV(HDMI_CORE_AV_CEC_ADDR_ID); } -void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s) -{ -#define DUMPPHY(r) seq_printf(s, "%-35s %08x\n", #r,\ - hdmi_read_reg(hdmi_phy_base(ip_data), r)) - - DUMPPHY(HDMI_TXPHY_TX_CTRL); - DUMPPHY(HDMI_TXPHY_DIGITAL_CTRL); - DUMPPHY(HDMI_TXPHY_POWER_CTRL); - DUMPPHY(HDMI_TXPHY_PAD_CFG_CTRL); -} - #if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) static void ti_hdmi_4xxx_core_audio_config(struct hdmi_ip_data *ip_data, struct hdmi_core_audio_config *cfg) |