Message ID | 20190415125833.38704-9-bibby.hsieh@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | support gce on mt8183 platform | expand |
Hi, Bibby: On Mon, 2019-04-15 at 20:58 +0800, Bibby Hsieh wrote: > Implement a function can encode the GCE instructions > > Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 125 ++++++++++++++++------- > include/linux/mailbox/mtk-cmdq-mailbox.h | 2 + > include/linux/soc/mediatek/mtk-cmdq.h | 14 +-- > 3 files changed, 99 insertions(+), 42 deletions(-) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index ff9fef5a032b..d3873ab21db3 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -9,11 +9,43 @@ > #include <linux/mailbox_controller.h> > #include <linux/soc/mediatek/mtk-cmdq.h> > > -#define CMDQ_ARG_A_WRITE_MASK 0xffff > +#define CMDQ_GET_ARG_B(arg) (((arg) & GENMASK(31, 16)) >> 16) > +#define CMDQ_GET_ARG_C(arg) ((arg) & GENMASK(15, 0)) > #define CMDQ_WRITE_ENABLE_MASK BIT(0) > #define CMDQ_EOC_IRQ_EN BIT(0) > #define CMDQ_EOC_CMD ((u64)((CMDQ_CODE_EOC << CMDQ_OP_CODE_SHIFT)) \ > << 32 | CMDQ_EOC_IRQ_EN) > +#define CMDQ_IMMEDIATE_VALUE 0 > +#define CMDQ_REG_TYPE 1 > + > +struct cmdq_instruction { > + s16 arg_c:16; > + s16 arg_b:16; > + s16 arg_a:16; > + u8 s_op:5; > + u8 arg_c_type:1; > + u8 arg_b_type:1; > + u8 arg_a_type:1; > + u8 op:8; > +}; > + > +static void cmdq_pkt_instr_encoder(struct cmdq_pkt *pkt, s16 arg_c, s16 arg_b, > + s16 arg_a, u8 s_op, u8 arg_c_type, > + u8 arg_b_type, u8 arg_a_type, u8 op) > +{ > + struct cmdq_instruction *cmdq_inst; > + > + cmdq_inst = pkt->va_base + pkt->cmd_buf_size; > + cmdq_inst->op = op; > + cmdq_inst->arg_a_type = arg_a_type; > + cmdq_inst->arg_b_type = arg_b_type; > + cmdq_inst->arg_c_type = arg_c_type; > + cmdq_inst->s_op = s_op; > + cmdq_inst->arg_a = arg_a; > + cmdq_inst->arg_b = arg_b; > + cmdq_inst->arg_c = arg_c; > + pkt->cmd_buf_size += CMDQ_INST_SIZE; > +} > > static void cmdq_client_timeout(struct timer_list *t) > { > @@ -110,10 +142,11 @@ void cmdq_pkt_destroy(struct cmdq_pkt *pkt) > } > EXPORT_SYMBOL(cmdq_pkt_destroy); > > -static int cmdq_pkt_append_command(struct cmdq_pkt *pkt, enum cmdq_code code, > - u32 arg_a, u32 arg_b) > +static int cmdq_pkt_append_command(struct cmdq_pkt *pkt, s16 arg_c, s16 arg_b, > + s16 arg_a, u8 s_op, u8 arg_c_type, > + u8 arg_b_type, u8 arg_a_type, > + enum cmdq_code code) > { > - u64 *cmd_ptr; > > if (unlikely(pkt->cmd_buf_size + CMDQ_INST_SIZE > pkt->buf_size)) { > /* > @@ -129,65 +162,72 @@ static int cmdq_pkt_append_command(struct cmdq_pkt *pkt, enum cmdq_code code, > __func__, (u32)pkt->buf_size); > return -ENOMEM; > } > - cmd_ptr = pkt->va_base + pkt->cmd_buf_size; > - (*cmd_ptr) = (u64)((code << CMDQ_OP_CODE_SHIFT) | arg_a) << 32 | arg_b; > - pkt->cmd_buf_size += CMDQ_INST_SIZE; > + cmdq_pkt_instr_encoder(pkt, arg_c, arg_b, arg_a, s_op, arg_c_type, > + arg_b_type, arg_a_type, code); > > return 0; > } > > -int cmdq_pkt_write(struct cmdq_pkt *pkt, u32 value, u32 subsys, u32 offset) > +int cmdq_pkt_write(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value) > { > - u32 arg_a = (offset & CMDQ_ARG_A_WRITE_MASK) | > - (subsys << CMDQ_SUBSYS_SHIFT); > - > - return cmdq_pkt_append_command(pkt, CMDQ_CODE_WRITE, arg_a, value); > + return cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(value), > + CMDQ_GET_ARG_B(value), offset, subsys, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, CMDQ_CODE_WRITE); I do not understand why you invent a encoder function. It neither reduce the code size, nor make code easier for reading. If for easier reading, I suggest this way: struct cmdq_instruction { union { struct { u32 value; u16 offset; u8 subsys; }; struct { ... }; }; u8 op; }; struct cmdq_instruction *inst; inst = cmdq_pkt_append_command(pkt); if (!inst) return -ENOMEM; inst->op = CMDQ_CODE_WRITE; inst->subsys = subsys; inst->offset = offset; inst->value = value; Regards, CK > } > EXPORT_SYMBOL(cmdq_pkt_write); > > -int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u32 value, > - u32 subsys, u32 offset, u32 mask) > +int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, > + u32 value, u32 mask) > { > u32 offset_mask = offset; > int err = 0; > > if (mask != 0xffffffff) { > - err = cmdq_pkt_append_command(pkt, CMDQ_CODE_MASK, 0, ~mask); > + err = cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(~mask), > + CMDQ_GET_ARG_B(~mask), > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_CODE_MASK); > offset_mask |= CMDQ_WRITE_ENABLE_MASK; > } > - err |= cmdq_pkt_write(pkt, value, subsys, offset_mask); > + err |= cmdq_pkt_write(pkt, subsys, offset_mask, value); > > return err; > } > EXPORT_SYMBOL(cmdq_pkt_write_mask); > > -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u32 event) > +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) > { > - u32 arg_b; > - > if (event >= CMDQ_MAX_EVENT) > return -EINVAL; > > - /* > - * WFE arg_b > - * bit 0-11: wait value > - * bit 15: 1 - wait, 0 - no wait > - * bit 16-27: update value > - * bit 31: 1 - update, 0 - no update > - */ > - arg_b = CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE; > - > - return cmdq_pkt_append_command(pkt, CMDQ_CODE_WFE, event, arg_b); > + return cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_WFE_OPTION), > + CMDQ_GET_ARG_B(CMDQ_WFE_OPTION), event, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_CODE_WFE); > } > EXPORT_SYMBOL(cmdq_pkt_wfe); > > -int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u32 event) > +int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event) > { > if (event >= CMDQ_MAX_EVENT) > return -EINVAL; > > - return cmdq_pkt_append_command(pkt, CMDQ_CODE_WFE, event, > - CMDQ_WFE_UPDATE); > + return cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_WFE_UPDATE), > + CMDQ_GET_ARG_B(CMDQ_WFE_UPDATE), event, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_CODE_WFE); > } > EXPORT_SYMBOL(cmdq_pkt_clear_event); > > @@ -196,10 +236,25 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) > int err; > > /* insert EOC and generate IRQ for each command iteration */ > - err = cmdq_pkt_append_command(pkt, CMDQ_CODE_EOC, 0, CMDQ_EOC_IRQ_EN); > - > + err = cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_EOC_IRQ_EN), > + CMDQ_GET_ARG_B(CMDQ_EOC_IRQ_EN), > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_CODE_EOC); > + if (err < 0) > + return err; > /* JUMP to end */ > - err |= cmdq_pkt_append_command(pkt, CMDQ_CODE_JUMP, 0, CMDQ_JUMP_PASS); > + err = cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_JUMP_PASS), > + CMDQ_GET_ARG_B(CMDQ_JUMP_PASS), > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_IMMEDIATE_VALUE, > + CMDQ_CODE_JUMP); > > return err; > } > diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h > index 911475da7a53..f21801d32a3a 100644 > --- a/include/linux/mailbox/mtk-cmdq-mailbox.h > +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h > @@ -19,6 +19,8 @@ > #define CMDQ_WFE_UPDATE BIT(31) > #define CMDQ_WFE_WAIT BIT(15) > #define CMDQ_WFE_WAIT_VALUE 0x1 > +#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | \ > + CMDQ_WFE_WAIT_VALUE) > /** cmdq event maximum */ > #define CMDQ_MAX_EVENT 0x3ff > > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > index 4e8899972db4..52f69c8db8de 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -60,26 +60,26 @@ void cmdq_pkt_destroy(struct cmdq_pkt *pkt); > /** > * cmdq_pkt_write() - append write command to the CMDQ packet > * @pkt: the CMDQ packet > - * @value: the specified target register value > * @subsys: the CMDQ sub system code > * @offset: register offset from CMDQ sub system > + * @value: the specified target register value > * > * Return: 0 for success; else the error code is returned > */ > -int cmdq_pkt_write(struct cmdq_pkt *pkt, u32 value, u32 subsys, u32 offset); > +int cmdq_pkt_write(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value); > > /** > * cmdq_pkt_write_mask() - append write command with mask to the CMDQ packet > * @pkt: the CMDQ packet > - * @value: the specified target register value > * @subsys: the CMDQ sub system code > * @offset: register offset from CMDQ sub system > + * @value: the specified target register value > * @mask: the specified target register mask > * > * Return: 0 for success; else the error code is returned > */ > -int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u32 value, > - u32 subsys, u32 offset, u32 mask); > +int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, > + u32 value, u32 mask); > > /** > * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet > @@ -88,7 +88,7 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u32 value, > * > * Return: 0 for success; else the error code is returned > */ > -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u32 event); > +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); > > /** > * cmdq_pkt_clear_event() - append clear event command to the CMDQ packet > @@ -97,7 +97,7 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u32 event); > * > * Return: 0 for success; else the error code is returned > */ > -int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u32 event); > +int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event); > > /** > * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index ff9fef5a032b..d3873ab21db3 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -9,11 +9,43 @@ #include <linux/mailbox_controller.h> #include <linux/soc/mediatek/mtk-cmdq.h> -#define CMDQ_ARG_A_WRITE_MASK 0xffff +#define CMDQ_GET_ARG_B(arg) (((arg) & GENMASK(31, 16)) >> 16) +#define CMDQ_GET_ARG_C(arg) ((arg) & GENMASK(15, 0)) #define CMDQ_WRITE_ENABLE_MASK BIT(0) #define CMDQ_EOC_IRQ_EN BIT(0) #define CMDQ_EOC_CMD ((u64)((CMDQ_CODE_EOC << CMDQ_OP_CODE_SHIFT)) \ << 32 | CMDQ_EOC_IRQ_EN) +#define CMDQ_IMMEDIATE_VALUE 0 +#define CMDQ_REG_TYPE 1 + +struct cmdq_instruction { + s16 arg_c:16; + s16 arg_b:16; + s16 arg_a:16; + u8 s_op:5; + u8 arg_c_type:1; + u8 arg_b_type:1; + u8 arg_a_type:1; + u8 op:8; +}; + +static void cmdq_pkt_instr_encoder(struct cmdq_pkt *pkt, s16 arg_c, s16 arg_b, + s16 arg_a, u8 s_op, u8 arg_c_type, + u8 arg_b_type, u8 arg_a_type, u8 op) +{ + struct cmdq_instruction *cmdq_inst; + + cmdq_inst = pkt->va_base + pkt->cmd_buf_size; + cmdq_inst->op = op; + cmdq_inst->arg_a_type = arg_a_type; + cmdq_inst->arg_b_type = arg_b_type; + cmdq_inst->arg_c_type = arg_c_type; + cmdq_inst->s_op = s_op; + cmdq_inst->arg_a = arg_a; + cmdq_inst->arg_b = arg_b; + cmdq_inst->arg_c = arg_c; + pkt->cmd_buf_size += CMDQ_INST_SIZE; +} static void cmdq_client_timeout(struct timer_list *t) { @@ -110,10 +142,11 @@ void cmdq_pkt_destroy(struct cmdq_pkt *pkt) } EXPORT_SYMBOL(cmdq_pkt_destroy); -static int cmdq_pkt_append_command(struct cmdq_pkt *pkt, enum cmdq_code code, - u32 arg_a, u32 arg_b) +static int cmdq_pkt_append_command(struct cmdq_pkt *pkt, s16 arg_c, s16 arg_b, + s16 arg_a, u8 s_op, u8 arg_c_type, + u8 arg_b_type, u8 arg_a_type, + enum cmdq_code code) { - u64 *cmd_ptr; if (unlikely(pkt->cmd_buf_size + CMDQ_INST_SIZE > pkt->buf_size)) { /* @@ -129,65 +162,72 @@ static int cmdq_pkt_append_command(struct cmdq_pkt *pkt, enum cmdq_code code, __func__, (u32)pkt->buf_size); return -ENOMEM; } - cmd_ptr = pkt->va_base + pkt->cmd_buf_size; - (*cmd_ptr) = (u64)((code << CMDQ_OP_CODE_SHIFT) | arg_a) << 32 | arg_b; - pkt->cmd_buf_size += CMDQ_INST_SIZE; + cmdq_pkt_instr_encoder(pkt, arg_c, arg_b, arg_a, s_op, arg_c_type, + arg_b_type, arg_a_type, code); return 0; } -int cmdq_pkt_write(struct cmdq_pkt *pkt, u32 value, u32 subsys, u32 offset) +int cmdq_pkt_write(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value) { - u32 arg_a = (offset & CMDQ_ARG_A_WRITE_MASK) | - (subsys << CMDQ_SUBSYS_SHIFT); - - return cmdq_pkt_append_command(pkt, CMDQ_CODE_WRITE, arg_a, value); + return cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(value), + CMDQ_GET_ARG_B(value), offset, subsys, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, CMDQ_CODE_WRITE); } EXPORT_SYMBOL(cmdq_pkt_write); -int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u32 value, - u32 subsys, u32 offset, u32 mask) +int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, + u32 value, u32 mask) { u32 offset_mask = offset; int err = 0; if (mask != 0xffffffff) { - err = cmdq_pkt_append_command(pkt, CMDQ_CODE_MASK, 0, ~mask); + err = cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(~mask), + CMDQ_GET_ARG_B(~mask), + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_CODE_MASK); offset_mask |= CMDQ_WRITE_ENABLE_MASK; } - err |= cmdq_pkt_write(pkt, value, subsys, offset_mask); + err |= cmdq_pkt_write(pkt, subsys, offset_mask, value); return err; } EXPORT_SYMBOL(cmdq_pkt_write_mask); -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u32 event) +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) { - u32 arg_b; - if (event >= CMDQ_MAX_EVENT) return -EINVAL; - /* - * WFE arg_b - * bit 0-11: wait value - * bit 15: 1 - wait, 0 - no wait - * bit 16-27: update value - * bit 31: 1 - update, 0 - no update - */ - arg_b = CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE; - - return cmdq_pkt_append_command(pkt, CMDQ_CODE_WFE, event, arg_b); + return cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_WFE_OPTION), + CMDQ_GET_ARG_B(CMDQ_WFE_OPTION), event, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_CODE_WFE); } EXPORT_SYMBOL(cmdq_pkt_wfe); -int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u32 event) +int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event) { if (event >= CMDQ_MAX_EVENT) return -EINVAL; - return cmdq_pkt_append_command(pkt, CMDQ_CODE_WFE, event, - CMDQ_WFE_UPDATE); + return cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_WFE_UPDATE), + CMDQ_GET_ARG_B(CMDQ_WFE_UPDATE), event, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_CODE_WFE); } EXPORT_SYMBOL(cmdq_pkt_clear_event); @@ -196,10 +236,25 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt) int err; /* insert EOC and generate IRQ for each command iteration */ - err = cmdq_pkt_append_command(pkt, CMDQ_CODE_EOC, 0, CMDQ_EOC_IRQ_EN); - + err = cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_EOC_IRQ_EN), + CMDQ_GET_ARG_B(CMDQ_EOC_IRQ_EN), + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_CODE_EOC); + if (err < 0) + return err; /* JUMP to end */ - err |= cmdq_pkt_append_command(pkt, CMDQ_CODE_JUMP, 0, CMDQ_JUMP_PASS); + err = cmdq_pkt_append_command(pkt, CMDQ_GET_ARG_C(CMDQ_JUMP_PASS), + CMDQ_GET_ARG_B(CMDQ_JUMP_PASS), + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_IMMEDIATE_VALUE, + CMDQ_CODE_JUMP); return err; } diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index 911475da7a53..f21801d32a3a 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -19,6 +19,8 @@ #define CMDQ_WFE_UPDATE BIT(31) #define CMDQ_WFE_WAIT BIT(15) #define CMDQ_WFE_WAIT_VALUE 0x1 +#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | \ + CMDQ_WFE_WAIT_VALUE) /** cmdq event maximum */ #define CMDQ_MAX_EVENT 0x3ff diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 4e8899972db4..52f69c8db8de 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -60,26 +60,26 @@ void cmdq_pkt_destroy(struct cmdq_pkt *pkt); /** * cmdq_pkt_write() - append write command to the CMDQ packet * @pkt: the CMDQ packet - * @value: the specified target register value * @subsys: the CMDQ sub system code * @offset: register offset from CMDQ sub system + * @value: the specified target register value * * Return: 0 for success; else the error code is returned */ -int cmdq_pkt_write(struct cmdq_pkt *pkt, u32 value, u32 subsys, u32 offset); +int cmdq_pkt_write(struct cmdq_pkt *pkt, u8 subsys, u16 offset, u32 value); /** * cmdq_pkt_write_mask() - append write command with mask to the CMDQ packet * @pkt: the CMDQ packet - * @value: the specified target register value * @subsys: the CMDQ sub system code * @offset: register offset from CMDQ sub system + * @value: the specified target register value * @mask: the specified target register mask * * Return: 0 for success; else the error code is returned */ -int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u32 value, - u32 subsys, u32 offset, u32 mask); +int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u8 subsys, u16 offset, + u32 value, u32 mask); /** * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet @@ -88,7 +88,7 @@ int cmdq_pkt_write_mask(struct cmdq_pkt *pkt, u32 value, * * Return: 0 for success; else the error code is returned */ -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u32 event); +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); /** * cmdq_pkt_clear_event() - append clear event command to the CMDQ packet @@ -97,7 +97,7 @@ int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u32 event); * * Return: 0 for success; else the error code is returned */ -int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u32 event); +int cmdq_pkt_clear_event(struct cmdq_pkt *pkt, u16 event); /** * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
Implement a function can encode the GCE instructions Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> --- drivers/soc/mediatek/mtk-cmdq-helper.c | 125 ++++++++++++++++------- include/linux/mailbox/mtk-cmdq-mailbox.h | 2 + include/linux/soc/mediatek/mtk-cmdq.h | 14 +-- 3 files changed, 99 insertions(+), 42 deletions(-)